WO2023125903A1 - 一种通道资源调整方法、装置及通信设备 - Google Patents
一种通道资源调整方法、装置及通信设备 Download PDFInfo
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- WO2023125903A1 WO2023125903A1 PCT/CN2022/143809 CN2022143809W WO2023125903A1 WO 2023125903 A1 WO2023125903 A1 WO 2023125903A1 CN 2022143809 W CN2022143809 W CN 2022143809W WO 2023125903 A1 WO2023125903 A1 WO 2023125903A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/20—Negotiating bandwidth
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0457—Variable allocation of band or rate
Definitions
- the present application relates to the technical field of communication, and in particular to a channel resource adjustment method, device and communication equipment.
- Flexible Ethernet technology Flexible Ethernet, FlexE
- Metro Transport Network Metro Transport Network, MTN
- MTN Metro Transport Network
- the bandwidth requirement may change at any time, so the bandwidth needs to be adjusted online, for example, the channel bandwidth needs to be adjusted from 5Gbps to 10Gbps, or the channel bandwidth needs to be adjusted from 100Mbps to 50Mbps.
- Embodiments of the present application provide a channel resource adjustment method, device, and communication device, so as to solve the problem that the prior art lacks an effective processing mechanism for channel resource adjustment abnormalities.
- the embodiment of the present application provides a channel resource adjustment method, which is executed by a first network element in the communication channel, where the communication channel includes multiple network elements, and the method includes:
- the method before receiving the command sent by the management control unit for instructing to cancel resource adjustment, the method further includes:
- the detection of abnormal resource adjustment in the communication channel includes:
- the detection of abnormal resource adjustment in the communication channel includes:
- the detection of abnormal resource adjustment in the communication channel includes:
- the adjustment fails during the resource adjustment process performed by the first network element, it is detected that the communication channel has an abnormal resource adjustment.
- the undoing the resource adjustment of the first network element based on the command includes:
- performing resource fallback processing includes:
- the resource is adjusted to reduce the bandwidth, perform a bandwidth increase co-adjustment process with a third network element, wherein the third network element is the first network element in the communication channel Upstream network elements;
- the bandwidth reduction adjustment processing is performed with the fourth network element, where the fourth network element is the first network element in the communication channel.
- the embodiment of the present application further provides a channel resource adjustment method, which is executed by a management control unit, and the management control unit communicates with multiple network elements in the communication channel, and the method includes:
- the sending a command for instructing to cancel resource adjustment to a fifth network element among the plurality of network elements includes:
- the embodiment of the present application further provides a channel resource adjustment method, which is executed by a channel resource adjustment system.
- the channel resource adjustment system includes a management control unit and multiple network elements in the communication channel.
- the method includes:
- the first network element When the first network element detects that the resource adjustment of the communication channel is abnormal, send an alarm message to the management control unit, where the first network element is any one of the plurality of network elements;
- the management control unit sends a command for instructing to cancel resource adjustment to each of the plurality of network elements
- Each network element among the plurality of network elements cancels the resource adjustment of each network element based on the command.
- the detection of abnormal resource adjustment in the communication channel includes:
- the first network element sends a resource adjustment request message to a second network element, where the second network element is a network element adjacent to the first network element among the plurality of network elements;
- the first network element When the first network element does not receive the resource adjustment reply message sent by the second network element for more than a preset period of time, it detects that the resource adjustment abnormality occurs in the communication channel.
- the detection of abnormal resource adjustment in the communication channel includes:
- the first network element sends a resource adjustment request message to a second network element, where the second network element is a network element adjacent to the first network element among the plurality of network elements;
- the first network element resends the resource adjustment request message to the second network element when the first network element does not receive the resource adjustment reply message sent by the second network element for more than a preset period of time;
- the first network element detects that a resource is present in the communication channel when the number of retransmissions reaches a preset number of times and the resource adjustment reply message sent by the second network element has not been received for more than the preset time period. Abnormal adjustment.
- the detection of abnormal resource adjustment in the communication channel includes:
- the first network element fails to adjust resources during the resource adjustment process, it detects that resource adjustment exceptions occur in the communication channel.
- each network element in the plurality of network elements cancels the resource adjustment of each network element based on the command, including:
- the first part of network elements that have completed resource adjustment among the plurality of network elements perform resource fallback processing
- the second part of network elements that have not completed the resource adjustment deletes the resource adjustment configuration information.
- each network element in the plurality of network elements cancels the resource adjustment of each network element based on the command, including:
- the first part of the network elements that have completed the resource adjustment perform resource fallback processing in the direction of the upstream network element starting from the first last network element, until After the first head network element finishes resource fallback processing, the first head network element is the first network element that performs bandwidth reduction adjustment among the first part of network elements, and the first last network element is the Among the first part of network elements, the network element that performs the bandwidth reduction adjustment last, and the first network element is the source network element in the bandwidth reduction adjustment process;
- the first part of the network elements that have completed the resource adjustment start from the second first network element and sequentially perform resource fallback processing in the direction of the downstream network element , until the second last network element completes the resource fallback process, wherein the second first network element is the network element that performs the bandwidth increase adjustment last in the first part of network elements, and the second last network element is all Among the first part of network elements, the network element that performs the bandwidth increase adjustment first, and the second last network element is the sink network element in the bandwidth increase adjustment process.
- the embodiment of the present application further provides a channel resource adjustment device, which is set on a first network element in a communication channel, the communication channel includes a plurality of network elements, and the channel resource adjustment device includes:
- the first receiving module is configured to receive a command sent by the management control unit for instructing to cancel resource adjustment
- the processing module is configured to cancel the resource adjustment of the first network element based on the command.
- the channel resource adjustment device further includes:
- the second sending module is configured to send alarm information to the management control unit when it is detected that the resource adjustment of the communication channel is abnormal.
- the channel resource adjustment device further includes:
- a third sending module configured to send a resource adjustment request message to a second network element, where the second network element is a network element adjacent to the first network element among the plurality of network elements;
- the second sending module is configured to detect that resource adjustment exceptions occur in the communication channel when the resource adjustment reply message sent by the second network element is not received for more than a preset period of time, and send a message to the management control unit Send the warning information.
- the second sending module is configured as:
- the management control unit sends the alarm information.
- the second sending module is configured to send alarm information to the management control unit in the event that adjustment fails during the resource adjustment process of the first network element.
- the processing module is configured to perform resource fallback processing when the first network element has completed resource adjustment
- the processing module is configured to delete resource adjustment configuration information when the resource adjustment has not been completed by the first network element.
- the processing module is configured to perform bandwidth increase adjustment processing with the third network element when the resource is adjusted to reduce bandwidth and the first network element has completed resource adjustment , wherein the third network element is a network element upstream of the first network element in the communication channel;
- the processing module is configured to perform bandwidth reduction adjustment processing with the fourth network element when the resource adjustment is to increase bandwidth and the first network element has completed resource adjustment, wherein , the fourth network element is a network element downstream of the first network element in the communication path.
- the embodiment of the present application further provides a channel resource adjustment device, which is set in a management control unit, and the management control unit is communicatively connected to a plurality of network elements in the communication channel, and the channel resource adjustment device includes:
- the second receiving module is configured to receive the alarm information sent by the first network element when it detects that the resource adjustment of the communication channel is abnormal, wherein the first network element is any of the plurality of network elements a network element;
- the first sending module is configured to send a command for instructing to cancel resource adjustment to a fifth network element among the plurality of network elements.
- the first sending module is configured to send a command for instructing to cancel resource adjustment to each of the plurality of network elements.
- the embodiment of the present application also provides a communication device, including: a transceiver, a memory, a processor, and a computer program stored in the memory and operable on the processor, when the processor executes the computer program Realize the steps in the channel resource adjustment method described in the first aspect; or realize the steps in the channel resource adjustment method described in the second aspect.
- a communication device including: a transceiver, a memory, a processor, and a computer program stored in the memory and operable on the processor, when the processor executes the computer program Realize the steps in the channel resource adjustment method described in the first aspect; or realize the steps in the channel resource adjustment method described in the second aspect.
- the embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, channel resource adjustment as described in the first aspect is implemented.
- the first network element in the communication channel sends an alarm message to the management control unit when detecting that the resource adjustment of the communication channel is abnormal, and the first network element is the any one of the network elements; the management control unit sends a command for instructing to cancel resource adjustment to each of the multiple network elements; each of the multiple network elements is based on the network element
- the above commands are used to cancel the resource adjustment of their respective network elements.
- an effective processing mechanism is provided for the abnormal situation in the communication channel resource adjustment, and the network element in the communication channel is urged to cancel the resource adjustment by issuing a command to the network element in the communication channel from the management control unit.
- This resource adjustment ensures that the resources of each network element in the communication channel match.
- FIG. 1 is one of the flow charts of the channel resource adjustment method provided by the embodiment of the present application.
- FIG. 2 is the second flowchart of the channel resource adjustment method provided by the embodiment of the present application.
- FIG. 3 is the third flowchart of the channel resource adjustment method provided by the embodiment of the present application.
- Fig. 4a is a flow chart of node interaction when a fallback operation is performed in the scenario of reducing the slot bandwidth provided by the embodiment of the present application;
- Fig. 4b is a flow chart of node interaction when a fallback operation is performed in the scenario of increasing and adjusting the slot bandwidth provided by the embodiment of the present application;
- Fig. 5 is one of the structural diagrams of the channel resource adjustment device provided by the embodiment of the present application.
- FIG. 6 is the second structural diagram of the channel resource adjustment device provided by the embodiment of the present application.
- FIG. 7 is a structural diagram of a communication device provided by an embodiment of the present application.
- FIG. 1 is a flowchart of a channel resource adjustment method provided in an embodiment of the present application, which is executed by a first network element in a communication channel, and the communication channel includes multiple network elements. As shown in FIG. 1, the The method includes the following steps:
- Step 101 Receive a command sent by the management control unit for instructing to cancel resource adjustment.
- the embodiments of the present application can be applied to the processing of abnormal situations (including incomplete adjustment, adjustment failure, etc.) that occur during resource adjustment (such as adjustment of bandwidth, frequency, rate, etc.) of the communication equipment in the communication channel, that is, the network element.
- a management control unit that manages and controls each network element in the channel is proposed.
- the adjustment of the channel resource is abnormal, it issues a command to cancel the resource adjustment to the network element in the channel to instruct the network element to cancel the resource adjustment. Processing, so that the resources of the network elements before adjustment remain unchanged, thereby ensuring that the end-to-end channel resources remain in a matching state, and avoid transmission failures such as packet loss and transmission capacity degradation due to channel resource mismatch.
- the above-mentioned communication channel may specifically refer to a communication transmission channel between a source end and a sink end, that is, a communication channel may include a source end, a plurality of intermediate network elements, and a sink end connected in sequence, wherein the source end refers to a sending end, and the sink end The end refers to the receiving end.
- a communication channel is a two-way transmission channel, the source end and the sink end can be interchanged, that is, both ends of the communication channel can be used as both the sending end and the receiving end.
- the communication channel may be a Metro Transport Network (MTN) channel or a non-MTN channel.
- MTN Metro Transport Network
- the above-mentioned first network element may refer to any network element in the communication channel, that is, it may be a source end, an intermediate network element or a sink end.
- the above-mentioned management and control unit may refer to a network control unit connected to each network element in the communication channel, and is used to manage and control each network element in the communication channel, including issuing instructions to each network element, collecting information from each network element reported information, etc.
- the management control unit can be an independent center, or it can also be combined with other units.
- each network element in the communication channel can discover and report the abnormal situation of resource adjustment to the management control unit during the process of resource adjustment, so that the management control unit can receive the communication
- the alarm information reported by a certain network element in the channel when it detects that the resource adjustment of the communication channel is abnormal may be information indicating that there is an abnormal situation in the current resource adjustment, specifically, it may also be Indicate which network element is abnormal, for example, whether the network element reporting the alarm information fails to adjust, or the network element reporting the alarm information finds that other network elements have not completed resource adjustment.
- each network element in the communication channel can perform resource adjustment based on the resource adjustment command issued by the management control unit, and each network element can adjust the resource according to the node position and the direction of resource adjustment (such as adjusting the size or down) to perform resource adjustment in an orderly manner, so as to ensure that the communication channel is adjusted without loss.
- the resource adjustment may be bandwidth adjustment, including bandwidth reduction adjustment or bandwidth increase adjustment.
- the management control unit may issue a resource adjustment command to each network element in the communication channel based on actual needs, and carry resource adjustment configuration information in the command to indicate how to adjust resources specifically.
- the communication channel Based on the resource adjustment command, each network element in the network sequentially reduces and adjusts the resources of each node from the source node (that is, the source end) to the direction of the sink node (that is, the sink end), or, from the sink node Starting from the direction of the source node, each node is sequentially adjusted for resource increase in an orderly manner.
- Any network element in the communication channel can detect whether an abnormal resource adjustment occurs during the resource adjustment process, and when any network element detects an abnormal resource adjustment, it can report an alarm to the management control unit information.
- the first network element may report alarm information about abnormal resource adjustment to the management control unit, that is, before the step 101, the method May also include:
- the first network element may detect that resource adjustment failure occurs on its own, or detect its adjacent network elements, such as an upstream network element (a network element that sends information to the first network element) or a downstream network element (The network element receiving the information sent by the first network element) resource adjustment exception occurs, such as resource adjustment failure or no response to resource adjustment.
- an upstream network element a network element that sends information to the first network element
- a downstream network element The network element receiving the information sent by the first network element
- resource adjustment exception occurs, such as resource adjustment failure or no response to resource adjustment.
- the first network element can discover and report the abnormal situation of resource adjustment in time.
- other network elements may also send alarm information to the management control unit, and the management control unit may Sending a command to cancel resource adjustment to each network element in the communication channel, so that the first network element, as a network element that does not report alarm information, can also receive the instruction to cancel the resource adjustment sent by the management control unit. Commands for resource adjustments.
- the detection of abnormal resource adjustment in the communication channel includes:
- each network element in the communication channel can set up a resource adjustment message timeout response mechanism, that is, if a resource adjustment request message of a certain network element is sent, the corresponding resource adjustment reply message does not respond within the set time. If received, the network element may report alarm information to the management control unit, and the management control unit then issues a command to cancel resource adjustment to each network element in the communication channel.
- Each network element in the communication channel can perform resource adjustment in sequence. Specifically, according to the signal transmission direction of the channel, the upstream network element in the communication channel can send a resource adjustment request message to the downstream network element. After the downstream network element receives the resource adjustment request message, it needs to return a resource adjustment reply message to the downstream network element, and when an abnormal situation occurs, such as network element equipment failure or network failure, etc., the downstream network element The element may not receive the resource adjustment request message, and thus cannot return a resource adjustment reply message to the first network element, or the downstream network element cannot send the resource adjustment reply message, or the upstream network element The resource adjustment reply message cannot be received, and at this time, the upstream network element may determine that an abnormal situation of resource adjustment has been detected in the current communication channel through a timeout response mechanism. Wherein, the upstream network element and the downstream network element may be any two adjacent network elements in the communication channel.
- the first network element may serve as an upstream network element to send a resource adjustment request message to its adjacent downstream network element, that is, the second network element, and start timing from the moment when the resource adjustment request message is sent, Specifically, a timer with a preset duration may be set, and when it is detected that the resource adjustment reply message returned by the second network element is not received beyond the preset duration, it may be determined that the communication channel is detected.
- the resource adjustment abnormality occurs, specifically, an abnormality occurs when the second network element performs resource adjustment, so that an alarm message can be sent to the management control unit.
- the preset duration can be preset according to actual needs, for example, it can be set to 1 second, 1.5 seconds, 2 seconds and so on.
- the network element in the communication channel can timely discover the abnormal situation of resource adjustment in the communication channel through the message timeout response mechanism, and prompt the management control unit by reporting alarm information Trigger an effective response mechanism to the abnormal situation with each network element in the communication channel.
- the detection of abnormal resource adjustment in the communication channel includes:
- the alarm information is sent to the management control unit.
- each network element in the communication channel can also set up a resource adjustment message timeout response retransmission mechanism, that is, if a resource adjustment request message of a certain network element is sent, the corresponding resource adjustment reply If the message is not received within the set time, the network element can resend the resource adjustment request message.
- a resource adjustment message timeout response retransmission mechanism that is, if a resource adjustment request message of a certain network element is sent, the corresponding resource adjustment reply If the message is not received within the set time, the network element can resend the resource adjustment request message.
- the management control unit If the corresponding resource adjustment reply message is not received within the set time after retransmission, an alarm message will be reported to the management control unit; or, it is also possible to set the maximum number of retransmissions m, and after retransmitting the resource adjustment request message for m times, the corresponding resource adjustment reply message is still not received within the set time, then report an alarm message to the A management control unit; the management control unit sends a command to cancel resource adjustment to each network element in the communication channel.
- the first network element may serve as an upstream network element to send a resource adjustment request message to its adjacent downstream network element, that is, the second network element, and start timing from the moment when the resource adjustment request message is sent, Specifically, a timer with a preset duration may be set, and when it is detected that the resource adjustment reply message returned by the second network element is not received beyond the preset duration, the second network element may be sent Resending the resource adjustment request message, if the resource adjustment reply message returned by the second network element is still not received within the preset time period after resending, it may be determined that an abnormal resource adjustment has been detected on the communication channel The situation is specifically that an exception occurs when the second network element performs resource adjustment, so that an alarm message can be sent to the management control unit.
- the maximum number of retransmissions may also be preset, and if the resource adjustment reply message returned by the second network element is not received beyond the preset time length, the second network element may be sent to the second network element at intervals of the preset time length. The second network element resends the resource adjustment request message until the number of resends reaches the preset maximum number of resends, and the resource adjustment reply message returned by the second network element is still not received after the preset time period , then an alarm message may be sent to the management control unit.
- the maximum number of retransmissions can be preset according to actual needs, for example, it can be set to 2 times, 3 times, 4 times and so on.
- a resource adjustment reply message returned by the second network element is received within the preset time period after resending the resource adjustment request message, it can be confirmed that the current communication channel is normal, and the second network element can confirm that the current communication channel is normal.
- the network element can perform resource adjustment normally, and after the adjustment is successful, the resource adjustment of the next network element can be started sequentially.
- the time slot confirmation (Calendar Acknowledge, CA) message response timeout timer can be set to 1s. If the CA response is not received within the timeout, the CR message will be resent, and the maximum number of resends of the CR message is 3 times. When the CA response is not received after resending the CR message 3 times, the network element will report the alarm information to the management control unit, and the management control unit will issue a command to cancel the time slot adjustment to each network element of the end-to-end MTN channel . That is, in this manner, the resource adjustment request message is a CR message, and the corresponding resource adjustment reply message is a CA message.
- the resource adjustment request message is a CR message
- the corresponding resource adjustment reply message is a CA message.
- the timeout timer for receiving the CR message from the upstream node is set to 1s. If the CR message is not received within the timeout, the S message will be resent, and the S message can be resent up to 3 times.
- the network element When the CR message from the upstream node is still not received after resending the S message 3 times, the network element will report the alarm information to the management control unit, and the management control unit will issue a command to cancel the time slot adjustment to each end-to-end channel network element. That is, in this manner, the resource adjustment request message is an S message, and the corresponding resource adjustment reply message is a CR message.
- the sending an alarm message to the management control unit when it is detected that the resource adjustment of the communication channel is abnormal includes:
- the adjustment fails during the resource adjustment process of the first network element, it is detected that the resource adjustment of the communication channel is abnormal, and the alarm information is sent to the management control unit.
- each network element in the communication channel can detect its own resource adjustment abnormality, and report alarm information to the management control unit in time when detected. That is, if the network element that is performing resource adjustment detects that the adjustment fails, the network element that fails to adjust may send an alarm message to the management control unit.
- the first network element may be any network element in the communication channel, that is, when any network element in the communication channel fails to adjust resources during resource adjustment, it will The network element that fails to adjust may send alarm information to the management control unit.
- each network element in the communication channel can detect its own resource adjustment situation, and when the adjustment failure is detected, report alarm information in time to prompt the management control unit and the communication channel to Each network element in triggers an effective response mechanism to the abnormal situation.
- the management control unit may instruct a specific network element or each network element in the communication channel to cancel the resource adjustment when receiving the alarm information sent by any network element in the communication channel, specifically, it may send a notification to all network elements in the communication channel.
- the fifth network element or each network element in the communication channel sends a command for instructing to cancel resource adjustment, wherein the fifth network element may be the network element that reports the alarm information, or may be the network element in the alarm information Indicates the NE where the resource adjustment exception occurs.
- the management control unit can instruct all the network elements in the communication channel to perform resource adjustment cancellation processing at one time, and each network element in the communication channel can cancel the resource adjustment cancellation command received respectively.
- Resource adjustment the management control unit may also only report to a specific network element such as the network element that reports the alarm information or the network element that actually has an abnormal resource adjustment (usually the network element that reports the alarm information, or is related to the network element that reports the alarm information)
- the upstream network element or downstream network element adjacent to the network element of the alarm information instructs to perform resource adjustment cancellation processing, and through the process of passing the specific network element up or down in turn, notify other network elements to also perform resource adjustment cancellation processing.
- Step 102 based on the command, cancel the resource adjustment of the first network element.
- the first network element When the first network element receives the command to cancel the resource adjustment, it can cancel the resource adjustment of the first network element, that is, keep the original resources unchanged. Specifically, two different situations can be used to perform revocation processing in different ways.
- the step 102 may include:
- resource rollback processing can be performed, that is, the resource situation before this adjustment can be rolled back, so that the resources of each network element in the communication channel remain the same.
- the resource adjustment configuration information for this time can be deleted, that is, the above-mentioned
- the step 102 includes:
- an adjustment process of bandwidth increase is performed with a third network element, wherein the third network element is the a network element upstream of the first network element in the communication channel;
- the bandwidth reduction adjustment processing is performed with the fourth network element, wherein the fourth network element is a network element downstream of the first network element in the communication channel.
- the embodiment of the present application may be applied to a scenario where channel bandwidth resources are adjusted, and may be to reduce or increase the bandwidth resources of the communication channel.
- the above-mentioned resource fallback processing may be to increase the bandwidth in the opposite direction according to the adjustment direction of the bandwidth reduction for the network elements in the communication channel that have completed the bandwidth reduction adjustment.
- Large bandwidth processing so as to return the bandwidth of each network element to the bandwidth before reduction.
- any network element among the network elements that have completed the bandwidth reduction adjustment in the communication channel for example, in the case that the first network element has completed the resource fallback process, can communicate with its upstream network element, that is, the first network element.
- Three network elements perform resource fallback processing, that is, perform bandwidth increase adjustment, so as to implement bandwidth increase adjustment upstream segment by segment for network elements that have completed bandwidth reduction adjustment.
- each network element in the communication channel can perform bandwidth reduction adjustment one by one in the direction from the source node to the downstream node, so that the When the network elements that have completed the bandwidth reduction adjustment are rolled back, the bandwidth increase adjustments are performed on these network elements one by one in the opposite direction from the last node (the last network element that has completed the resource reduction adjustment) to the upstream node.
- the channel includes source PE 1 , P 1 node, P 2 node, ..., P n node and sink PE 2 .
- the source PE 1 to The P1 node sends a CR message.
- the P1 node After receiving the CR message, the P1 node returns a CA message to its upstream node, that is, the source PE 1 , and the source PE 1 sends a time slot configuration (Calendar Configuration, C) message; P 1 node sends a CR message to the next node, that is, P 2 node after adjusting the bandwidth.
- C Time Slot Configuration
- P 2 node Under normal circumstances, after P 2 node receives the CR message, P 2 node returns CA to its upstream node, that is, P 1 node
- the P1 node may not be able to receive the CA message of the P2 node within the predetermined time, so that the CA message timeout response occurs, and the P1 node sends an alarm message to the management and control unit (ie, the management control unit).
- the source end PE 1 and P 1 nodes have completed the bandwidth reduction adjustment, and the remaining P 2 nodes have reached P n , and the sink end PE 2 has not completed the bandwidth reduction adjustment, so it is necessary to start from the P 1 node to increase the bandwidth step by step upstream Increase processing, that is, perform bandwidth rollback processing on P 1 node and source PE 1 in turn, and delete the remaining P 2 nodes to P n and sink PE 2 in this bandwidth reduction adjustment operation issued by the management and control time slot adjustment configuration information.
- the resource fallback process may be to reduce the bandwidth in reverse according to the adjustment direction of the bandwidth increase for the network elements in the communication channel that have completed the bandwidth increase adjustment Processing, so as to return the bandwidth of each network element to the bandwidth before the increase.
- any network element among the network elements that have completed the bandwidth increase adjustment in the communication channel, such as the first network element has completed the resource fallback process, it can communicate with its downstream network elements immediately
- the fourth network element performs resource fallback processing, that is, performs bandwidth reduction adjustments, so as to implement bandwidth reduction adjustments downstream one by one for network elements that have completed bandwidth increase adjustments.
- each network element in the communication channel can perform bandwidth increase adjustment one by one in the direction from the sink node to the upstream node, so that the existing When the network elements that have completed the bandwidth increase adjustment are rolled back, the bandwidth reduction adjustments are performed one by one in the opposite direction from the head node (the last network element that has completed the resource increase adjustment) to the downstream nodes.
- the channel includes source PE 1 , P 1 node, P 2 node, ..., P n node, and sink PE 2 .
- the sink PE 2 When adjusting the service bandwidth increase, first, the sink PE 2 The P n node sends an S message. Under normal circumstances, after receiving the S message, the P n node sends a CR message to its downstream node, that is, the sink PE 2.
- the sink end PE 2 After receiving the CR message, the sink end PE 2 sends a The node returns a CA message, and the P n node sends a C message to the sink PE 2 ; and the P n node sends an S message to the next node, that is, the P n-1 node. Under normal circumstances, the P n-1 node receives the S message Then, send CR message to its downstream node, that is, P n node; and when the channel is abnormal, P n node may not be able to receive the CR message of P n-1 node within the predetermined time, so that the CR message timeout response occurs, P The n node sends alarm information to the management and control unit (that is, the management control unit).
- the management and control unit that is, the management control unit
- the P n node and the sink end PE 2 have completed the bandwidth increase adjustment, and the remaining nodes P n-1 to P 1 , and the source end PE 1 have not completed the bandwidth increase adjustment, so it is necessary to start from the P n node and go downstream step by step Perform bandwidth reduction processing, that is, perform bandwidth rollback processing on P n nodes and sink PE 2 in turn, and delete this bandwidth increase adjustment operation for the remaining nodes P n-1 to P 1 and source PE 1
- Perform bandwidth reduction processing that is, perform bandwidth rollback processing on P n nodes and sink PE 2 in turn, and delete this bandwidth increase adjustment operation for the remaining nodes P n-1 to P 1 and source PE 1
- resource fallback processing can be performed sequentially on each network element in the communication channel according to the direction of resource adjustment, so as to implement The non-destructive adjustment of the communication channel ensures end-to-end bandwidth resource matching in the communication channel.
- two end network elements of the channel can send information to and receive information from each other, and the two end network elements can be mutually a sending end and a receiving end. Then, in the process of channel time slot resource adjustment (including the process of reducing or increasing the bandwidth), if there is any one of the end-to-end network elements in the two directions (that is, the sending direction and the receiving direction), the resource adjustment of any network element fails,
- the resource fallback process needs to be executed in both directions, which can be executed according to the above fallback processing method.
- the end-to-end channel resource adjustment rollback method proposed in the embodiment of this application can realize the detection of channel resource adjustment problems, and after the detection, the channel resource can be adjusted and rollback in an orderly and effective manner to meet the technical requirements, that is, to ensure that the end-to-end To-end channel resource matching.
- the channel resource adjustment method is executed by the first network element in the communication channel, and the communication channel includes a plurality of network elements, and the method includes: receiving a message sent by the management control unit for indicating revocation A resource adjustment command; based on the command, cancel the resource adjustment of the first network element.
- the network element in the communication channel is urged to cancel the resource adjustment by issuing a command indicating to cancel the resource adjustment to the network element in the communication channel by the management control unit, thereby ensuring The resource matching of each network element in the communication channel avoids abnormal transmission problems caused by channel resource mismatch.
- FIG. 2 is a flowchart of a channel resource adjustment method provided in an embodiment of the present application, which is executed by a management control unit, and the management control unit communicates with multiple network elements in the communication channel, as shown in FIG. 2 ,
- the method includes the following steps:
- Step 201 Receive an alarm message sent by a first network element when it detects that the resource adjustment of the communication channel is abnormal, wherein the first network element is any one of the plurality of network elements.
- Step 202 Send a command for instructing to cancel resource adjustment to a fifth network element among the plurality of network elements.
- the step 202 includes:
- this embodiment is an implementation manner corresponding to the management control unit side in the method embodiment shown in FIG. Let me repeat.
- the channel resource adjustment method in the embodiment of the present application is executed by a management control unit, and the management control unit communicates with a plurality of network elements in the communication channel, and the method includes: When the resource adjustment is abnormal, the alarm information sent, wherein, the first network element is a network element in the plurality of network elements; the fifth network element in the plurality of network elements is sent to indicate the cancellation Commands for resource adjustments.
- the network element in the communication channel is urged to cancel the resource adjustment by issuing a command indicating to cancel the resource adjustment to the network element in the communication channel by the management control unit, thereby ensuring The resource matching of each network element in the communication channel avoids abnormal transmission problems caused by channel resource mismatch.
- FIG. 3 is a flow chart of a channel resource adjustment method provided in an embodiment of the present application, which is executed by a channel resource adjustment system, and the channel resource adjustment system includes a management control unit and multiple network elements in a communication channel.
- the management control unit communicates with multiple network elements in the communication channel, as shown in Figure 3, the method includes the following steps:
- Step 301 When the first network element detects that the resource adjustment of the communication channel is abnormal, it sends an alarm message to the management control unit, and the first network element is any one of the plurality of network elements. Yuan;
- Step 302 the management control unit sends a command for instructing to cancel resource adjustment to each network element in the plurality of network elements;
- Step 303 each network element in the plurality of network elements cancels the resource adjustment of each network element based on the command.
- the detection of abnormal resource adjustment in the communication channel includes:
- the first network element sends a resource adjustment request message to a second network element, where the second network element is a network element adjacent to the first network element among the plurality of network elements;
- the first network element When the first network element does not receive the resource adjustment reply message sent by the second network element for more than a preset period of time, it detects that the resource adjustment abnormality occurs in the communication channel.
- the detection of abnormal resource adjustment in the communication channel includes:
- the first network element sends a resource adjustment request message to a second network element, where the second network element is a network element adjacent to the first network element among the plurality of network elements;
- the first network element resends the resource adjustment request message to the second network element when the first network element does not receive the resource adjustment reply message sent by the second network element for more than a preset period of time;
- the first network element detects that a resource is present in the communication channel when the number of retransmissions reaches a preset number of times and the resource adjustment reply message sent by the second network element has not been received for more than the preset time period. Abnormal adjustment.
- the detection of abnormal resource adjustment in the communication channel includes:
- the first network element fails to adjust resources during the resource adjustment process, it detects that resource adjustment exceptions occur in the communication channel.
- the step 303 includes:
- the first part of network elements that have completed resource adjustment among the plurality of network elements perform resource fallback processing
- the second part of network elements that have not completed the resource adjustment deletes the resource adjustment configuration information.
- the step 303 includes:
- the first part of the network elements that have completed the resource adjustment perform resource fallback processing in the direction of the upstream network element starting from the first last network element, until After the first head network element finishes resource fallback processing, the first head network element is the first network element that performs bandwidth reduction adjustment among the first part of network elements, and the first last network element is the Among the first part of network elements, the network element that performs the bandwidth reduction adjustment last, and the first network element is the source network element in the bandwidth reduction adjustment process;
- the first part of the network elements that have completed the resource adjustment start from the second first network element and sequentially perform resource fallback processing in the direction of the downstream network element , until the second last network element completes the resource fallback process, wherein the second first network element is the network element that performs the bandwidth increase adjustment last in the first part of network elements, and the second last network element is all Among the first part of network elements, the network element that performs the bandwidth increase adjustment first, and the second last network element is the sink network element in the bandwidth increase adjustment process.
- this embodiment is an implementation of the system side (that is, including network elements and management control units in the communication channel) corresponding to the method embodiment shown in FIG. 1 , and its specific implementation can refer to the foregoing embodiments The relevant descriptions in , in order to avoid repetition, will not be repeated here.
- the channel resource adjustment method in the embodiment of the present application is executed by a channel resource adjustment system.
- the channel resource adjustment system includes a management control unit and a plurality of network elements in the communication channel.
- the management control unit and the network elements in the communication channel A plurality of network elements are connected by communication.
- the method includes: when the first network element detects that the resource adjustment of the communication channel is abnormal, sending alarm information to the management control unit, the first network element is the any one of the network elements; the management control unit sends a command for instructing to cancel resource adjustment to each of the multiple network elements; each of the multiple network elements is based on the network element
- the above commands are used to cancel the resource adjustment of their respective network elements.
- the network element in the communication channel is urged to cancel the resource adjustment by issuing a command indicating to cancel the resource adjustment to the network element in the communication channel by the management control unit, thereby ensuring The resource matching of each network element in the communication channel avoids abnormal transmission problems caused by channel resource mismatch.
- FIG. 5 is a structural diagram of an apparatus for adjusting channel resources provided by an embodiment of the present application. Since the problem-solving principle of the channel resource adjustment device is similar to the channel resource adjustment method in the method embodiment shown in Figure 1 in the embodiment of the present application, the implementation of the channel resource adjustment device can refer to the implementation of the method, and the repetition is no longer repeat.
- the channel resource adjustment device 500 includes:
- the first receiving module 501 is configured to receive a command sent by the management control unit for instructing to cancel resource adjustment;
- the processing module 502 is configured to perform cancellation processing on the resource adjustment of the first network element based on the command.
- the channel resource adjustment device 500 further includes:
- the second sending module is configured to send alarm information to the management control unit when it is detected that the resource adjustment of the communication channel is abnormal.
- the channel resource adjustment device 500 further includes:
- a third sending module configured to send a resource adjustment request message to a second network element, where the second network element is a network element adjacent to the first network element among the plurality of network elements;
- the second sending module is configured to detect that resource adjustment exceptions occur in the communication channel when the resource adjustment reply message sent by the second network element is not received for more than a preset period of time, and send a message to the management control unit Send the warning information.
- the second sending module is configured to:
- the management control unit sends the alarm information.
- the second sending module is configured to send alarm information to the management control unit in the event that adjustment fails during the resource adjustment process performed by the first network element.
- the processing module 502 is configured to perform resource rollback processing when the first network element has completed resource adjustment
- the processing module 502 is configured to delete resource adjustment configuration information when the resource adjustment has not been completed by the first network element.
- the processing module 502 is configured to perform bandwidth increase adjustment with the third network element when the resource adjustment is to reduce bandwidth and the first network element has completed resource adjustment processing, wherein the third network element is a network element upstream of the first network element in the communication path;
- the processing module 502 is configured to perform bandwidth reduction adjustment processing with the fourth network element when the resource adjustment is to increase bandwidth and the first network element has completed resource adjustment, wherein,
- the fourth network element is a network element downstream of the first network element in the communication channel.
- the channel resource adjustment device provided in the embodiment of the present application can execute the method embodiment shown in FIG. 1 , and its implementation principle and technical effect are similar, and details will not be repeated here in this embodiment.
- the channel resource adjustment apparatus 500 of the embodiment of the present application receives a command sent by the management control unit for instructing to cancel the resource adjustment; based on the command, cancels the resource adjustment of the first network element.
- the network element in the communication channel is urged to cancel the resource adjustment by issuing a command indicating to cancel the resource adjustment to the network element in the communication channel by the management control unit, thereby ensuring The resource matching of each network element in the communication channel avoids abnormal transmission problems caused by channel resource mismatch.
- FIG. 6 is a structural diagram of an apparatus for adjusting channel resources provided by an embodiment of the present application. Since the problem-solving principle of the channel resource adjustment device is similar to the channel resource adjustment method in the embodiment shown in Figure 2 in the embodiment of the present application, the implementation of the channel resource adjustment device can refer to the implementation of the method, and the repetition will not be repeated. .
- the channel resource adjustment device 600 includes:
- the second receiving module 601 is configured to receive the alarm information sent by the first network element when it detects that the resource adjustment of the communication channel is abnormal, wherein the first network element is one of the plurality of network elements any network element;
- the first sending module 602 is configured to send a command for instructing to cancel resource adjustment to a fifth network element among the plurality of network elements.
- the first sending module 602 is configured to send a command for instructing to cancel resource adjustment to each of the multiple network elements.
- the channel resource adjustment device provided in the embodiment of the present application can execute the method embodiment shown in FIG. 2 , and its implementation principle and technical effect are similar, and details will not be repeated here in this embodiment.
- the channel resource adjustment device 500 of the embodiment of the present application receives the alarm information sent by the first network element when it detects that the resource adjustment of the communication channel is abnormal, wherein the first network element is the plurality of network elements.
- a network element among the network elements sending a command for instructing to cancel resource adjustment to a fifth network element among the plurality of network elements.
- the embodiment of the present application also provides a communication device. Since the problem-solving principle of the communication device is similar to the channel resource adjustment method in the embodiment of the present application, the implementation of the communication device can refer to the implementation of the method, and repeated descriptions will not be repeated.
- the communication device in the embodiment of the present application may be a first network element in a communication channel, and the communication channel includes multiple network elements, as shown in FIG. 7 , in this implementation manner, the communication device includes:
- the processor 700 is configured to read the program in the memory 720, and execute the following processes:
- the transceiver 710 is configured to receive and transmit data under the control of the processor 700 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 700 and various circuits of the memory represented by the memory 720 are linked together.
- the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
- the bus interface provides the interface.
- Transceiver 710 may be a plurality of elements, including a transmitter and a transceiver, providing a means for communicating with various other devices over a transmission medium.
- the processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 can store data used by the processor 700 when performing operations.
- the processor 700 is also configured to read the program in the memory 720, and perform the following steps:
- an alarm message is sent to the management control unit through the transceiver 710 .
- the processor 700 is further configured to read the program in the memory 720 and perform the following steps:
- the resource adjustment reply message sent by the second network element is not received for more than a preset period of time, it is detected that the resource adjustment of the communication channel is abnormal, and the alarm information is sent to the management control unit through the transceiver 710 .
- the processor 700 is further configured to read the program in the memory 720 and perform the following steps:
- the alarm is sent to the management control unit through the transceiver 710 information.
- the processor 700 is further configured to read the program in the memory 720 and perform the following steps:
- the adjustment fails during the resource adjustment process of the first network element, it is detected that the resource adjustment of the communication channel is abnormal, and the alarm information is sent to the management control unit through the transceiver 710 .
- the processor 700 is further configured to read the program in the memory 720 and perform the following steps:
- the processor 700 is further configured to read the program in the memory 720 and perform the following steps:
- an adjustment process of bandwidth increase is performed with a third network element, wherein the third network element is the a network element upstream of the first network element in the communication channel;
- the bandwidth reduction adjustment processing is performed with the fourth network element, wherein the fourth network element is a network element downstream of the first network element in the communication channel.
- the communication device in the embodiment of the present application may be a management control unit, and the management control unit communicates with multiple network elements in the communication channel.
- the communication device includes:
- the processor 700 is configured to read the program in the memory 720, and execute the following processes:
- the first network element Receives, through the transceiver 710, the alarm information sent by the first network element when it detects that the resource adjustment of the communication channel is abnormal, wherein the first network element is any one of the plurality of network elements ;
- the transceiver 710 is configured to receive and transmit data under the control of the processor 700 .
- the processor 700 is further configured to read the program in the memory 720 and perform the following steps:
- the communication device provided by the embodiment of the present application can execute the above method embodiment, and its implementation principle and technical effect are similar, and details will not be repeated here in this embodiment.
- the computer-readable storage medium in the embodiment of the present application is configured to store a computer program, and the computer program can be executed by a processor to implement each step in the method embodiment shown in FIG. 1 , FIG. 2 or FIG. 3 .
- the disclosed methods and devices can be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
- the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may be physically included separately, or two or more units may be integrated into one unit.
- the above-mentioned integrated units can be implemented in the form of hardware, or in the form of hardware plus software functional units.
- the above-mentioned integrated units implemented in the form of software functional units may be stored in a computer-readable storage medium.
- the above-mentioned software functional units are stored in a storage medium, and include several instructions to enable a computer device (which may be a personal computer, server, or network device, etc.) to execute some steps of the sending and receiving methods described in various embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .
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Abstract
本申请公开了一种通道资源调整方法、装置及通信设备,涉及通信技术领域,以解决现有技术缺乏对通道资源调整异常情况的有效处理机制的问题。该方法包括:第一网元在检测到通信通道出现资源调整异常的情况下,向管理控制单元发送告警信息,第一网元为通信通道中多个网元中的任一网元;管理控制单元向多个网元中的各网元发送用于指示撤销资源调整的命令;多个网元中各网元基于命令,对各自网元的资源调整进行撤销处理。这样,针对通信通道资源调整中出现的异常情况,提供了一种有效处理机制,通过由管理控制单元向通信通道中的网元下发指示撤销资源调整的命令,促使通信通道中的网元撤销本次资源调整,保证通信通道中各网元的资源匹配。
Description
相关申请的交叉引用
本申请基于申请号为202111664679.0、申请日为2021年12月31日的中国专利申请提出,并要求该中国专利申请的优先权,该中国专利申请的全部内容在此引入本申请作为参考。
本申请涉及通信技术领域,尤其涉及一种通道资源调整方法、装置及通信设备。
目前,灵活以太网技术(Flexible Ethernet,FlexE)技术、城域传送网(Metro Transport Network,MTN)技术等均支持对通道按实际所需资源进行划分。以带宽划分为例,在使用网络切片的过程中,带宽需求可能随时发生变化,从而需要在线调整带宽,例如,通道带宽需要从5Gbps调整到10Gbps,或者通道带宽需要从100Mbps调整到50Mbps。
当一条通道已经下发带宽调整需求,但由于网络或设备故障等异常情况导致通道资源调整未能顺利完成时,易出现通道资源不匹配的问题,而目前缺乏应对这种异常情况的有效处理机制。
发明内容
本申请实施例提供一种通道资源调整方法、装置及通信设备,以解决现有技术缺乏对通道资源调整异常情况的有效处理机制的问题。
第一方面,本申请实施例提供了一种通道资源调整方法,由通信通道中的第一网元执行,所述通信通道中包括多个网元,所述方法包括:
接收管理控制单元发送的用于指示撤销资源调整的命令;
基于所述命令,对所述第一网元的资源调整进行撤销处理。
较佳地,所述接收管理控制单元发送的用于指示撤销资源调整的命令之前,所述方法还包括:
在检测到所述通信通道出现资源调整异常的情况下,向所述管理控制单元发送告警信息。
较佳地,所述检测到所述通信通道出现资源调整异常,包括:
向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
较佳地,所述检测到所述通信通道出现资源调整异常,包括:
向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,向所述第二网元重发资源调整请求消息;
在重发次数达到预设次数,且仍超过所述预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
较佳地,所述检测到所述通信通道出现资源调整异常,包括:
在所述第一网元进行资源调整的过程中出现调整失败的情况下,检测到所述通信通道出现资源调整异常。
较佳地,所述基于所述命令,对所述第一网元的资源调整进行撤销处理,包括:
在所述第一网元已完成资源调整的情况下,执行资源回退处理;
或者,在所述第一网元未完成资源调整的情况下,删除资源调整配置信息。
较佳地,所述在所述第一网元已完成资源调整的情况下,执行资源回退处理,包括:
在所述资源调整为减小带宽的情况下,与第三网元之间执行带宽增大的同 调整处理,其中,所述第三网元为所述通信通道中于所述第一网元上游的网元;
或者,在所述资源调整为增大带宽的情况下,与第四网元之间执行带宽减小的调整处理,其中,所述第四网元为所述通信通道中于所述第一网元下游的网元。
第二方面,本申请实施例还提供一种通道资源调整方法,由管理控制单元执行,所述管理控制单元与通信通道中的多个网元通信连接,所述方法包括:
接收第一网元在检测到所述通信通道出现资源调整异常的情况下,发送的告警信息,其中,所述第一网元为所述多个网元中的任一网元;
向所述多个网元中的第五网元发送用于指示撤销资源调整的命令。
较佳地,所述向所述多个网元中的第五网元发送用于指示撤销资源调整的命令,包括:
向所述多个网元中的各个网元发送用于指示撤销资源调整的命令。
第三方面,本申请实施例还提供一种通道资源调整方法,由通道资源调整***执行,所述通道资源调整***包括管理控制单元和通信通道中的多个网元,所述方法包括:
第一网元在检测到所述通信通道出现资源调整异常的情况下,向所述管理控制单元发送告警信息,所述第一网元为所述多个网元中的任一网元;
所述管理控制单元向所述多个网元中的各网元发送用于指示撤销资源调整的命令;
所述多个网元中的各网元基于所述命令,对各自网元的资源调整进行撤销处理。
较佳地,所述检测到所述通信通道出现资源调整异常,包括:
所述第一网元向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
所述第一网元在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
较佳地,所述检测到所述通信通道出现资源调整异常,包括:
所述第一网元向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
所述第一网元在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,向所述第二网元重发资源调整请求消息;
所述第一网元在重发次数达到预设次数,且仍超过所述预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
较佳地,所述检测到所述通信通道出现资源调整异常,包括:
所述第一网元在进行资源调整的过程中出现调整失败的情况下,检测到所述通信通道出现资源调整异常。
较佳地,所述多个网元中的各网元基于所述命令,对各自网元的资源调整进行撤销处理,包括:
所述多个网元中已完成资源调整的第一部分网元,执行资源回退处理;
和/或,所述多个网元中未完成资源调整的第二部分网元,删除资源调整配置信息。
较佳地,所述多个网元中的各网元基于所述命令,对各自网元的资源调整进行撤销处理,包括:
在所述资源调整为减小带宽的情况下,所述多个网元中已完成资源调整的第一部分网元从第一末网元开始依次向上游网元的方向执行资源回退处理,直至第一首网元执行完资源回退处理,其中,所述第一首网元为所述第一部分网元中最先执行减小带宽调整的网元,所述第一末网元为所述第一部分网元中最后执行减小带宽调整的网元,且所述第一首网元为减小带宽调整流程中的源网元;
或者,在所述资源调整为增大带宽的情况下,所述多个网元中已完成资源调整的第一部分网元从第二首网元开始依次向下游网元的方向执行资源回退处理,直至第二末网元执行完资源回退处理,其中,所述第二首网元为所述第一部分网元中最后执行增大带宽调整的网元,所述第二末网元为所述第一部分网 元中最先执行增大带宽调整的网元,且所述第二末网元为增大带宽调整流程中的宿网元。
第四方面,本申请实施例还提供一种通道资源调整装置,设置在通信通道中的第一网元,所述通信通道中包括多个网元,所述通道资源调整装置包括:
第一接收模块,配置为接收管理控制单元发送的用于指示撤销资源调整的命令;
处理模块,配置为基于所述命令,对所述第一网元的资源调整进行撤销处理。
较佳地,所述通道资源调整装置还包括:
第二发送模块,配置为在检测到所述通信通道出现资源调整异常的情况下,向所述管理控制单元发送告警信息。
较佳地,所述通道资源调整装置还包括:
第三发送模块,配置为向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
所述第二发送模块,配置为在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常,向所述管理控制单元发送所述告警信息。
较佳地,所述第二发送模块,配置为:
向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,向所述第二网元重发资源调整请求消息;
在重发次数达到预设次数,且仍超过所述预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常,向所述管理控制单元发送所述告警信息。
较佳地,所述第二发送模块,配置为在所述第一网元进行资源调整的过程中出现调整失败的情况下,向所述管理控制单元发送告警信息。
较佳地,所述处理模块,配置为在所述第一网元已完成资源调整的情况下,执行资源回退处理;
或者,所述处理模块,配置为在所述第一网元未完成资源调整的情况下,删除资源调整配置信息。
较佳地,所述处理模块,配置为在所述资源调整为减小带宽,且所述第一网元已完成资源调整的情况下,与第三网元之间执行带宽增大的调整处理,其中,所述第三网元为所述通信通道中于所述第一网元上游的网元;
或者,所述处理模块,配置为在所述资源调整为增大带宽,且所述第一网元已完成资源调整的情况下,与第四网元之间执行带宽减小的调整处理,其中,所述第四网元为所述通信通道中于所述第一网元下游的网元。
第五方面,本申请实施例还提供一种通道资源调整装置,设置在管理控制单元,所述管理控制单元与通信通道中的多个网元通信连接,所述通道资源调整装置包括:
第二接收模块,配置为接收第一网元在检测到所述通信通道出现资源调整异常的情况下,发送的告警信息,其中,所述第一网元为所述多个网元中的任一网元;
第一发送模块,配置为向所述多个网元中的第五网元发送用于指示撤销资源调整的命令。
较佳地,所述第一发送模块,配置为向所述多个网元中的各个网元发送用于指示撤销资源调整的命令。
第六方面,本申请实施例还提供一种通信设备,包括:收发机、存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行所述计算机程序时实现如第一方面所述的通道资源调整方法中的步骤;或者实现如第二方面所述的通道资源调整方法中的步骤。
第七方面,本申请实施例还提供一种计算机可读存储介质,所述计算机可读存储介质上存储计算机程序,所述计算机程序被处理器执行时实现如第一方面所述的通道资源调整方法中的步骤;或者实现如第二方面所述的通道资源调 整方法中的步骤。
在本申请实施例中,通信通道中的第一网元在检测到所述通信通道出现资源调整异常的情况下,向所述管理控制单元发送告警信息,所述第一网元为所述多个网元中的任一网元;所述管理控制单元向所述多个网元中的各网元发送用于指示撤销资源调整的命令;所述多个网元中的各网元基于所述命令,对各自网元的资源调整进行撤销处理。这样,针对通信通道资源调整中出现的异常情况,提供了一种有效处理机制,通过由管理控制单元向通信通道中的网元下发指示撤销资源调整的命令,促使通信通道中的网元撤销本次资源调整,保证通信通道中各网元的资源匹配。
为了更清楚地说明本申请实施例的技术方案,下面将对本申请实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的通道资源调整方法的流程图之一;
图2是本申请实施例提供的通道资源调整方法的流程图之二;
图3是本申请实施例提供的通道资源调整方法的流程图之三;
图4a是本申请实施例提供的时隙带宽减小调整场景下进行回退操作时的节点交互流程图;
图4b是本申请实施例提供的时隙带宽增大调整场景下进行回退操作时的节点交互流程图;
图5是本申请实施例提供的通道资源调整装置的结构图之一;
图6是本申请实施例提供的通道资源调整装置的结构图之二;
图7是本申请实施例提供的通信设备的结构图。
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
参见图1,图1是本申请实施例提供的通道资源调整方法的流程图,由通信通道中的第一网元执行,所述通信通道中包括多个网元,如图1所示,该方法包括以下步骤:
步骤101、接收管理控制单元发送的用于指示撤销资源调整的命令。
本申请实施例可应用于对通信通道中的通信设备也即网元在资源调整(如调整带宽、频率、速率等)时出现的异常情况(包括调整未完成、调整失败等)的处理,具体提出了通过对通道中各网元进行管控的管理控制单元,在通道资源出现调整异常情况时,对通道中的网元下发撤销资源调整的命令,来指示网元对本次资源调整执行撤销处理,以使网元保持调整前的资源不变,进而保证端到端通道资源保持匹配状态,避免因通道资源不匹配而出现丢包、传输能力下降等传输故障。
上述通信通道具体可以是指源端到宿端之间的通信传输通道,即一条通信通道可包括依次连接的源端、多个中间网元和宿端,其中,源端是指发送端,宿端是指接收端,当一条通信通道为双向传输通道时,源端和宿端可以互换,即通信通道中的两端既可以作为发送端,也可以作为接收端。
所述通信通道可以是城域传送网(Metro Transport Network,MTN)通道,也可以是非MTN通道。
上述第一网元可以是指通信通道中的任一网元,即可以是源端、中间网元或宿端。
上述管理控制单元可以是指与通信通道中的各网元连接的网络控制单元,用于对所述通信通道中的各网元进行管理控制,包括向各网元下发指令、收集 各网元上报的信息等。所述管理控制单元可以为独立的中心,或者也可以与其他单元合并设置。
本申请实施例中,所述通信通道中的各网元均可以在资源调整的过程中,发现并向所述管理控制单元上报资源调整异常情况,从而所述管理控制单元可以接收到所述通信通道中的某个网元在检测到所述通信通道出现资源调整异常的情况下上报的告警信息,即该告警信息中可以是用于指示当前资源调整存在异常情况的信息,具体地,还可以指示具体是哪个网元出现了异常,例如,是上报所述告警信息的网元出现调整失败,还是上报所述告警信息的网元发现其他网元未完成资源调整。
需说明的是,所述通信通道中的各网元可以基于所述管理控制单元下发的资源调整命令,进行资源调整,并且各网元可以是按照节点位置、资源调整方向(如是调大还是调小)有序地进行资源调整,以保证对所述通信通道进行无损调整。其中,一种具体的实施方式中,所述资源调整可以是带宽调整,包括带宽减小调整或带宽增大调整。
例如,所述管理控制单元可以基于实际需求,向所述通信通道中的各网元下发资源调整命令,并在该命令中携带资源调整配置信息,以指示具体如何调整资源,所述通信通道中的各网元则基于所述资源调整命令,从源节点(即源端)开始向宿节点(即宿端)的方向依次对各个节点进行有序地资源减小调整,或者,从宿节点开始向源节点的方向依次对各个节点进行有序地资源增大调整。
所述通信通道中的任一网元均可以在资源调整的过程中检测是否出现资源调整异常情况,且任一网元检测到资源调整异常情况时,都可以向所述管理控制单元上报告警信息。当所述第一网元检测到资源调整异常情况时,所述第一网元可以向所述管理控制单元上报有关资源调整异常的告警信息,也就是说,所述步骤101之前,所述方法还可包括:
在检测到所述通信通道出现资源调整异常的情况下,向所述管理控制单元发送告警信息。
具体地,所述第一网元可以是检测到自身出现资源调整失败,或者检测到 其相邻网元,如上游网元(向所述第一网元发送信息的网元)或下游网元(接收所述第一网元发送的信息的网元)出现资源调整异常,如资源调整失败或资源调整无响应。
这样,所述第一网元可以及时发现并上报资源调整异常情况。
而当非所述第一网元,即所述通信通道中的其他网元检测到资源调整异常情况时,其他网元也可向所述管理控制单元发送告警信息,所述管理控制单元则可以向所述通信通道中的各个网元下发撤销资源调整的命令,从而所述第一网元作为非上报告警信息的网元,也可以接收到所述管理控制单元发送的用于指示撤销资源调整的命令。
在一些实施例中,所述检测到所述通信通道出现资源调整异常,包括:
向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
一种实施方式中,可以在所述通信通道中的各网元设立资源调整消息超时响应机制,即如果某一网元的资源调整请求消息发出,对应的资源调整回复消息在设定时间内没有收到,则该网元可以上报告警信息至所述管理控制单元,所述管理控制单元再下发撤销资源调整的命令至所述通信通道中的各网元。
所述通信通道中的各网元可按序进行资源调整,具体地,可按照通道的信号传输方向,由所述通信通道中的上游网元向下游网元发送资源调整请求消息,在正常情况下所述下游网元在接收所述资源调整请求消息后,需向所述下游网元返回资源调整回复消息,而在出现异常情况,如网元设备故障或网络故障等时,所述下游网元可能接收不到所述资源调整请求消息,进而无法向所述第一个网元返回资源调整回复消息,或者所述下游网元无法发出所述资源调整回复消息,还或者所述上游网元无法接收到所述资源调整回复消息,此时所述上游网元可以通过超时响应机制,确定检测到当前所述通信通道出现了资源调整异常情况。其中,所述上游网元和所述下游网元可以是所述通信通道中任意相邻 的两个网元。
该实施方式中,所述第一网元可以作为上游网元向与其相邻的下游网元即第二网元发送资源调整请求消息,并从发送所述资源调整请求消息的时刻起开始计时,具体地,可以设定一个预设时长的定时器,当检测到超过所述预设时长未接收到所述第二网元返回的资源调整回复消息的情况下,可以确定检测到所述通信通道出现资源调整异常的情况,具体为在所述第二网元进行资源调整时出现异常,从而可向所述管理控制单元发送告警信息。而在所述预设时长内接收到所述第二网元返回的资源调整回复消息的情况下,可以确认当前通信通道无异常,所述第二网元可以正常执行资源调整,并可在调整成功后,按序开始下一个网元的资源调整。其中,所述预设时长可以根据实际需求预先设定,例如,可设置为1秒、1.5秒、2秒等。
这样,该实施方式中,可通过消息超时响应机制,来使所述通信通道中的网元及时发现所述通信通道中的资源调整异常情况,并通过上报告警信息来促使所述管理控制单元和所述通信通道中的各网元触发对该异常情况的有效应对机制。
在一些实施例中,所述检测到所述通信通道出现资源调整异常,包括:
向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,向所述第二网元重发资源调整请求消息;
在重发次数达到预设次数,且仍超过所述预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,向所述管理控制单元发送所述告警信息。
即一种更具体的实施方式中,还可以在所述通信通道中的各网元设立资源调整消息超时响应重发机制,即如果某一网元的资源调整请求消息发出,对应的资源调整回复消息在设定时间内没有收到,则该网元可以重发资源调整请求消息,若重发后对应的资源调整回复消息在设定时间内仍没有收到,则上报告警信息至所述管理控制单元;或者,还可以设定最多重发次数m,在重发m次 资源调整请求消息后对应的资源调整回复消息在设定时间内仍没有收到,则上报告警信息至所述管理控制单元;所述管理控制单元再下发撤销资源调整的命令至所述通信通道中的各网元。
该实施方式中,所述第一网元可以作为上游网元向与其相邻的下游网元即第二网元发送资源调整请求消息,并从发送所述资源调整请求消息的时刻起开始计时,具体地,可以设定一个预设时长的定时器,当检测到超过所述预设时长未接收到所述第二网元返回的资源调整回复消息的情况下,可以向所述第二网元重发资源调整请求消息,在重发后仍超过所述预设时长未接收到所述第二网元返回的资源调整回复消息的情况下,可以确定检测到所述通信通道出现资源调整异常的情况,具体为在所述第二网元进行资源调整时出现异常,从而可向所述管理控制单元发送告警信息。
或者,还可预先设定最大重发次数,在超过所述预设时长未接收到所述第二网元返回的资源调整回复消息的情况下,可以每间隔所述预设时长向所述第二网元重发一次资源调整请求消息,直至重发次数达到预设的最大重发次数,并且仍超过所述预设时长未接收到所述第二网元返回的资源调整回复消息的情况下,则可向所述管理控制单元发送告警信息。其中,所述最大重发次数可以根据实际需求预先设定,例如,可设置为2次、3次、4次等。
而在某次重发所述资源调整请求消息后的所述预设时长内接收到所述第二网元返回的资源调整回复消息的情况下,可以确认当前通信通道无异常,所述第二网元可以正常执行资源调整,并可在调整成功后,按序开始下一个网元的资源调整。
这样,该实施方式中,可通过进一步设立消息超时响应重发机制,可以给通道资源调整预留更多的时间和尝试次数,以更好地确保通道资源调整的顺利进行,避免有时由于短暂的网络故障或丢包等情况导致的暂时回复消息超时现象。
下面以MTN通道为例,来说明上述设立消息超时响应和重发的机制的具体实施方式:
1)MTN通道中某一节点(即网元)向下游节点发送时隙请求(Calendar Request,CR)消息后,可设置时隙确认(Calendar Acknowledge,CA)消息响应超时定时器为1s。超时未接收到CA响应则重发CR消息,CR消息最多重发次数为3次。当重发CR消息3次后仍未收到CA响应,则该网元向管理控制单元上报告警信息,管理控制单元则下发撤销时隙调整的命令给端到端MTN通道的各网元。即该方式中,资源调整请求消息为CR消息,对应的资源调整回复消息为CA消息。
2)小颗粒通道时隙带宽增大调整流程中,当通道中某一节点发送切换(Switch,S)消息后,设置收到上游节点的CR消息超时定时器为1s。超时未接收到CR消息则重发S消息,S消息最多重发次数为3次。当重发S消息3次后仍未收到上游节点的CR消息,则该网元向管理控制单元上报告警信息,管理控制单元则下发撤销时隙调整的命令给端到端通道的各网元。即该方式中,资源调整请求消息为S消息,对应的资源调整回复消息为CR消息。
在一些实施例中,所述在检测到所述通信通道出现资源调整异常的情况下,向管理控制单元发送告警信息,包括:
在所述第一网元进行资源调整的过程中出现调整失败的情况下,检测到所述通信通道出现资源调整异常,向所述管理控制单元发送所述告警信息。
另一种实施方式中,可以由所述通信通道中的各网元检测自己的资源调整异常情况,并在检测到时及时向所述管理控制单元上报告警信息。即如果正在执行资源调整的网元检测到自己出现调整失败时,可以由该出现调整失败的网元向所述管理控制单元发送告警信息。
该实施方式中,所述第一网元可以是所述通信通道中的任一网元,即当所述通信通道中任一网元在进行资源调整的过程中出现调整失败的情况时,都可以由该调整失败的网元向所述管理控制单元发送告警信息。
这样,该实施方式中,可通过所述通信通道中的各网元检测自身的资源调整情况,并在检测到调整失败时,及时上报告警信息来促使所述管理控制单元和所述通信通道中的各网元触发对该异常情况的有效应对机制。
其中,所述管理控制单元可以在接收到所述通信通道中任一网元发送的告警信息时,指示所述通信通道中的某特定网元或各个网元撤销资源调整,具体可以是向所述通信通道中的第五网元或各个网元发送用于指示撤销资源调整的命令,其中,所述第五网元可以是上报所述告警信息的网元,也可以是所述告警信息中指示的出现资源调整异常的网元。
即所述管理控制单元可以一次性指示所述通信通道中的所有网元都执行资源调整撤销处理,所述通信通道中的各个网元则可基于各自接收的撤销资源调整的命令,撤销本次资源调整;所述管理控制单元也可以只向特定网元如上报所述告警信息的网元或实际出现资源调整异常的网元(通常为上报所述告警信息的网元,或与上报所述告警信息的网元相邻的上游网元或下游网元),指示执行资源调整撤销处理,并通过该特定网元依次向上或向下传递的过程,通知其他网元也进行资源调整撤销处理。
步骤102、基于所述命令,对所述第一网元的资源调整进行撤销处理。
所述第一网元在接收到所述撤销资源调整的命令的情况下,可以对所述第一网元的资源调整进行撤销处理,即可保持原有的资源不变。具体地,可分两种不同的情况进行不同方式的撤销处理。
也就是说,所述步骤102可包括:
在所述第一网元已完成资源调整的情况下,执行资源回退处理;
或者,在所述第一网元未完成资源调整的情况下,删除资源调整配置信息。
即对于所述通信通道中已经完成本次资源调整的网元,可以执行资源回退处理,也即回退至本次调整前的资源情况,使所述通信通道中各网元的资源保持原有的匹配状态,避免出现端到端资源不匹配的问题。
而对于所述通信通道中未完成本次资源调整(包括调整失败、还未进行资源调整)的网元,无需进行资源回退处理,而是可以删除本次资源调整配置信息,也即所述管理控制单元在向所述通信通道中各网元下发本次资源调整命令时所携带的资源调整配置信息,以避免所述通信通道中残留不必要的配置信息来占用通信资源。
在一些实施例中,所述步骤102包括:
在所述资源调整为减小带宽,且所述第一网元已完成资源调整的情况下,与第三网元之间执行带宽增大的调整处理,其中,所述第三网元为所述通信通道中于所述第一网元上游的网元;
或者,在所述资源调整为增大带宽,且所述第一网元已完成资源调整的情况下,与第四网元之间执行带宽减小的调整处理,其中,所述第四网元为所述通信通道中于所述第一网元下游的网元。
一种具体的实施方式中,本申请实施例可应用对通道带宽资源进行调整的场景,且可以是对所述通信通道的带宽资源进行减小或增大调整。
其中,在所述资源调整为减小带宽的场景下,上述资源回退处理可以是对于所述通信通道中已完成带宽减小调整的网元,按照带宽减小的调整方向,反向进行增大带宽处理,以将各网元的带宽回退至减小前的带宽。具体地,在所述通信通道中已完成带宽减小调整的网元中的任一网元,如所述第一网元已执行完资源回退处理的情况下,可以与其上游网元即第三网元,执行资源回退处理,即进行带宽增大调整,以实现对已完成带宽减小调整的网元进行依次向上游逐段做增加带宽调整。
需说明的是,在对所述通信通道进行减小带宽调整的流程中,所述通信通道中各网元可按从源节点依次向下游节点的方向进行逐个带宽减小调整,从而在对已执行完带宽减小调整的网元进行回退处理时,对这些网元按照从末节点(最后一个完成资源减小调整的网元)依次向上游节点的反方向进行逐个带宽增大调整。
具体的通道时隙带宽减小调整场景下的资源回退处理的节点流程图可如图4a所示。其中,按信号传输方向,该通道包括源端PE
1、P
1节点、P
2节点、…、P
n节点和宿端PE
2,在进行业务带宽减小调整时,首先,源端PE
1向P
1节点发送CR消息,正常情况下,P
1节点收到CR消息后,向其上游节点即源端PE
1返回CA消息,源端PE
1再向P
1节点发送时隙配置(Calendar Configuration,C)消息;P
1节点调小带宽后,向下一节点即P
2节点发送CR消息,正常情况下, P
2节点收到CR消息后,P
2节点向其上游节点即P
1节点返回CA消息;而当通道出现异常情况时,P
1节点可能无法在预定时长内收到P
2节点的CA消息,从而出现CA消息超时响应,P
1节点向管控(即管理控制单元)发送告警信息。此时源端PE
1和P
1节点完成了带宽减小调整,剩余P
2节点至P
n,及宿端PE
2未完成带宽减小调整,从而需要从P
1节点开始向上游逐段做带宽增加处理,即依次对P
1节点和源端PE
1进行带宽回退处理,而对于剩余P
2节点至P
n和宿端PE
2,则执行删除本次带宽减小调整操作中由管控下发的时隙调整配置信息。
在所述资源调整为增大带宽的场景下,上述资源回退处理可以是对于所述通信通道中已完成带宽增大调整的网元,按照带宽增大的调整方向,反向进行减小带宽处理,以将各网元的带宽回退至增大前的带宽。具体地,在所述通信通道中已完成带宽增大调整的网元中的任一网元,如所述第一网元,已执行完资源回退处理的情况下,可以与其下游网元即第四网元,执行资源回退处理,即进行带宽减小调整,以实现对已完成带宽增大调整的网元进行依次向下游逐段做减小带宽调整。
需说明的是,在对所述通信通道进行增大带宽调整的流程中,所述通信通道中各网元可按从宿节点依次向上游节点的方向进行逐个带宽增大调整,从而在对已执行完带宽增大调整的网元进行回退处理时,对这些网元按照从首节点(最后一个完成资源增大调整的网元)依次向下游节点的反方向进行逐个带宽减小调整。
具体的通道时隙带宽增大调整场景下的资源回退处理的节点流程图可如图4b所示。其中,按信号传输方向,该通道包括源端PE
1、P
1节点、P
2节点、…、P
n节点和宿端PE
2,在进行业务带宽增大调整时,首先,宿端PE
2向P
n节点发送S消息,正常情况下,P
n节点收到S消息后,向其下游节点即宿端PE
2发送CR消息,宿端PE
2收到CR消息后,向其上游节点即P
n节点返回CA消息,P
n节点再向宿端PE
2发送C消息;并且P
n节点向下一节点即P
n-1节点发送发送S消息,正常情况下,P
n-1节点收到S消息后,向其下游节点即P
n节点发送CR消息;而当通道出现异常情况时,P
n节点可能无法在预定时长内收到P
n-1节点 的CR消息,从而出现CR消息超时响应,P
n节点向管控(即管理控制单元)发送告警信息。此时P
n节点和宿端PE
2完成了带宽增大调整,剩余节点P
n-1至P
1,及源端PE
1未完成带宽增大调整,从而需要从P
n节点开始向下游逐段做带宽减小处理,即依次对P
n节点和宿端PE
2进行带宽回退处理,而对于剩余节点P
n-1至P
1和源端PE
1,则执行删除本次带宽增大调整操作中由管控下发的时隙调整配置信息。
这样,通过该实施方式,可保证在对所述通信通道在进行带宽资源调整时,能够按照资源调整方向,对所述通信通道中各网元按序逐次地进行资源回退处理,实现对所述通信通道的无损调整,保证所述通信通道中端到端的带宽资源匹配。
需说明的是,针对双向通信通道,即通道的两个端网元之间可以互相发送信息和接收信息,两个端网元可以互为发送端和接收端。则在通道时隙资源调整流程(包括带宽调小或调大流程)中,如果两个方向(即发送方向和接收方向)的端到端网元中存在任意一个网元的资源调整执行失败,则需对两个方向均执行资源回退流程,具体可按照上述回退处理方式执行。
本申请实施例提出的端到端通道资源调整回退的方法,能够实现通道资源调整问题的检测,并在检测之后对通道资源进行有序和有效地调整回退,满足技术需求,即保证端到端通道资源匹配。
本申请实施例的通道资源调整方法,通道资源调整方法由通信通道中的第一网元执行,所述通信通道中包括多个网元,该方法包括:接收管理控制单元发送的用于指示撤销资源调整的命令;基于所述命令,对所述第一网元的资源调整进行撤销处理。这样,在通信通道资源调整出现异常情况时,通过由管理控制单元向通信通道中的网元下发指示撤销资源调整的命令,来促使通信通道中的网元撤销本次资源调整,从而可保证通信通道中各网元的资源匹配,避免因通道资源不匹配所带来的传输异常问题。
参见图2,图2是本申请实施例提供的通道资源调整方法的流程图,由管理控制单元执行,所述管理控制单元与通信通道中的多个网元通信连接,如图 2所示,该方法包括以下步骤:
步骤201、接收第一网元在检测到所述通信通道出现资源调整异常的情况下,发送的告警信息,其中,所述第一网元为所述多个网元中的任一网元。
步骤202、向所述多个网元中的第五网元发送用于指示撤销资源调整的命令。
在一些实施例中,所述步骤202包括:
向所述多个网元中的各个网元发送用于指示撤销资源调整的命令。
需说明的是,本实施例作为与图1所示方法实施例中对应的管理控制单元侧的实施方式,其具体的实施方式可以参见前述实施例中的相关描述,为避免重复,此处不再赘述。
本申请实施例的通道资源调整方法,由管理控制单元执行,所述管理控制单元与通信通道中的多个网元通信连接,该方法包括:接收第一网元在检测到所述通信通道出现资源调整异常的情况下,发送的告警信息,其中,所述第一网元为所述多个网元中的网元;向所述多个网元中的第五网元发送用于指示撤销资源调整的命令。这样,在通信通道资源调整出现异常情况时,通过由管理控制单元向通信通道中的网元下发指示撤销资源调整的命令,来促使通信通道中的网元撤销本次资源调整,从而可保证通信通道中各网元的资源匹配,避免因通道资源不匹配所带来的传输异常问题。
参见图3,图3是本申请实施例提供的通道资源调整方法的流程图,由通道资源调整***执行,所述通道资源调整***包括管理控制单元和通信通道中的多个网元,所述管理控制单元与所述通信通道中的多个网元通信连接,如图3所示,该方法包括以下步骤:
步骤301、第一网元在检测到所述通信通道出现资源调整异常的情况下,向所述管理控制单元发送告警信息,所述第一网元为所述多个网元中的任一网元;
步骤302、所述管理控制单元向所述多个网元中的各网元发送用于指示撤销资源调整的命令;
步骤303、所述多个网元中的各网元基于所述命令,对各自网元的资源调整进行撤销处理。
在一些实施例中,所述检测到所述通信通道出现资源调整异常,包括:
所述第一网元向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
所述第一网元在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
在一些实施例中,所述检测到所述通信通道出现资源调整异常,包括:
所述第一网元向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
所述第一网元在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,向所述第二网元重发资源调整请求消息;
所述第一网元在重发次数达到预设次数,且仍超过所述预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
在一些实施例中,所述检测到所述通信通道出现资源调整异常,包括:
所述第一网元在进行资源调整的过程中出现调整失败的情况下,检测到所述通信通道出现资源调整异常。
在一些实施例中,所述步骤303包括:
所述多个网元中已完成资源调整的第一部分网元,执行资源回退处理;
和/或,所述多个网元中未完成资源调整的第二部分网元,删除资源调整配置信息。
在一些实施例中,所述步骤303包括:
在所述资源调整为减小带宽的情况下,所述多个网元中已完成资源调整的第一部分网元从第一末网元开始依次向上游网元的方向执行资源回退处理,直至第一首网元执行完资源回退处理,其中,所述第一首网元为所述第一部分网元中最先执行减小带宽调整的网元,所述第一末网元为所述第一部分网元中最 后执行减小带宽调整的网元,且所述第一首网元为减小带宽调整流程中的源网元;
或者,在所述资源调整为增大带宽的情况下,所述多个网元中已完成资源调整的第一部分网元从第二首网元开始依次向下游网元的方向执行资源回退处理,直至第二末网元执行完资源回退处理,其中,所述第二首网元为所述第一部分网元中最后执行增大带宽调整的网元,所述第二末网元为所述第一部分网元中最先执行增大带宽调整的网元,且所述第二末网元为增大带宽调整流程中的宿网元。
需说明的是,本实施例作为与图1所示方法实施例中对应的***侧(即包括通信通道中的网元和管理控制单元)的实施方式,其具体的实施方式可以参见前述实施例中的相关描述,为避免重复,此处不再赘述。
本申请实施例中的通道资源调整方法,由通道资源调整***执行,所述通道资源调整***包括管理控制单元和通信通道中的多个网元,所述管理控制单元与所述通信通道中的多个网元通信连接,该方法包括:第一网元在检测到所述通信通道出现资源调整异常的情况下,向所述管理控制单元发送告警信息,所述第一网元为所述多个网元中的任一网元;所述管理控制单元向所述多个网元中的各网元发送用于指示撤销资源调整的命令;所述多个网元中的各网元基于所述命令,对各自网元的资源调整进行撤销处理。这样,在通信通道资源调整出现异常情况时,通过由管理控制单元向通信通道中的网元下发指示撤销资源调整的命令,来促使通信通道中的网元撤销本次资源调整,从而可保证通信通道中各网元的资源匹配,避免因通道资源不匹配所带来的传输异常问题。
本申请实施例还提供了一种通道资源调整装置,设置在通信通道中的第一网元,所述通信通道中包括多个网元。参见图5,图5是本申请实施例提供的通道资源调整装置的结构图。由于该通道资源调整装置解决问题的原理与本申请实施例中图1所示方法实施例中的通道资源调整方法相似,因此该通道资源调整装置的实施可以参见方法的实施,重复之处不再赘述。
如图5所示,通道资源调整装置500包括:
第一接收模块501,配置为接收管理控制单元发送的用于指示撤销资源调整的命令;
处理模块502,配置为基于所述命令,对所述第一网元的资源调整进行撤销处理。
在一些实施例中,通道资源调整装置500还包括:
第二发送模块,配置为在检测到所述通信通道出现资源调整异常的情况下,向所述管理控制单元发送告警信息。
在一些实施例中,通道资源调整装置500还包括:
第三发送模块,配置为向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
所述第二发送模块,配置为在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常,向所述管理控制单元发送所述告警信息。
在一些实施例中,所述第二发送模块,配置为:
向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,向所述第二网元重发资源调整请求消息;
在重发次数达到预设次数,且仍超过所述预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常,向所述管理控制单元发送所述告警信息。
在一些实施例中,所述第二发送模块,配置为在所述第一网元进行资源调整的过程中出现调整失败的情况下,向所述管理控制单元发送告警信息。
在一些实施例中,处理模块502,配置为在所述第一网元已完成资源调整的情况下,执行资源回退处理;
或者,处理模块502,配置为在所述第一网元未完成资源调整的情况下,删除资源调整配置信息。
在一些实施例中,处理模块502,配置为在所述资源调整为减小带宽,且所述第一网元已完成资源调整的情况下,与第三网元之间执行带宽增大的调整处理,其中,所述第三网元为所述通信通道中于所述第一网元上游的网元;
或者,处理模块502,配置为在所述资源调整为增大带宽,且所述第一网元已完成资源调整的情况下,与第四网元之间执行带宽减小的调整处理,其中,所述第四网元为所述通信通道中于所述第一网元下游的网元。
本申请实施例提供的通道资源调整装置,可以执行图1所示方法实施例,其实现原理和技术效果类似,本实施例此处不再赘述。
本申请实施例的通道资源调整装置500,接收管理控制单元发送的用于指示撤销资源调整的命令;基于所述命令,对所述第一网元的资源调整进行撤销处理。这样,在通信通道资源调整出现异常情况时,通过由管理控制单元向通信通道中的网元下发指示撤销资源调整的命令,来促使通信通道中的网元撤销本次资源调整,从而可保证通信通道中各网元的资源匹配,避免因通道资源不匹配所带来的传输异常问题。
本申请实施例还提供了另一种通道资源调整装置,设置在管理控制单元,所述管理控制单元与通信通道中的多个网元通信连接。参见图6,图6是本申请实施例提供的通道资源调整装置的结构图。由于该通道资源调整装置解决问题的原理与本申请实施例中图2所示实施例中的通道资源调整方法相似,因此该通道资源调整装置的实施可以参见方法的实施,重复之处不再赘述。
如图6所示,通道资源调整装置600包括:
第二接收模块601,配置为接收第一网元在检测到所述通信通道出现资源调整异常的情况下,发送的告警信息,其中,所述第一网元为所述多个网元中的任一网元;
第一发送模块602,配置为向所述多个网元中的第五网元发送用于指示撤销资源调整的命令。
在一些实施例中,第一发送模块602,配置为向所述多个网元中的各个网元发送用于指示撤销资源调整的命令。
本申请实施例提供的通道资源调整装置,可以执行图2所示方法实施例,其实现原理和技术效果类似,本实施例此处不再赘述。
本申请实施例的通道资源调整装置500,接收第一网元在检测到所述通信通道出现资源调整异常的情况下,发送的告警信息,其中,所述第一网元为所述多个网元中的网元;向所述多个网元中的第五网元发送用于指示撤销资源调整的命令。这样,在通信通道资源调整出现异常情况时,通过由管理控制单元向通信通道中的网元下发指示撤销资源调整的命令,来促使通信通道中的网元撤销本次资源调整,从而可保证通信通道中各网元的资源匹配,避免因通道资源不匹配所带来的传输异常问题。
本申请实施例还提供了一种通信设备。由于通信设备解决问题的原理与本申请实施例中通道资源调整方法相似,因此该通信设备的实施可以参见方法的实施,重复之处不再赘述。
一种实施方式中,本申请实施例的通信设备可以为通信通道中的第一网元,所述通信通道中包括多个网元,如图7所示,该实施方式中,通信设备包括:
处理器700,配置为读取存储器720中的程序,执行下列过程:
通过收发机710接收管理控制单元发送的用于指示撤销资源调整的命令;
基于所述命令,对所述第一网元的资源调整进行撤销处理。
收发机710,配置为在处理器700的控制下接收和发送数据。
其中,在图7中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器700代表的一个或多个处理器和存储器720代表的存储器的各种电路链接在一起。总线架构还可以将诸如***设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机710可以是多个元件,即包括发送机和收发机,提供用于在传输介质上与各种其他装置通信的单元。处理器700负责管理总线架构和通常的处理,存储器720可以存储处理器700在执行操作时所使用的数据。
在一些实施例中,处理器700还配置为读取存储器720中的程序,执行如 下步骤:
在检测到所述通信通道出现资源调整异常的情况下,通过收发机710向所述管理控制单元发送告警信息。
在一些实施例中,处理器700还配置为读取存储器720中的程序,执行如下步骤:
通过收发机710向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常,通过收发机710向所述管理控制单元发送所述告警信息。
在一些实施例中,处理器700还配置为读取存储器720中的程序,执行如下步骤:
通过收发机710向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;
在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,通过收发机710向所述第二网元重发资源调整请求消息;
在重发次数达到预设次数,且仍超过所述预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,通过收发机710向所述管理控制单元发送所述告警信息。
在一些实施例中,处理器700还配置为读取存储器720中的程序,执行如下步骤:
在所述第一网元进行资源调整的过程中出现调整失败的情况下,检测到所述通信通道出现资源调整异常,通过收发机710向所述管理控制单元发送所述告警信息。
在一些实施例中,处理器700还配置为读取存储器720中的程序,执行如下步骤:
在所述第一网元已完成资源调整的情况下,执行资源回退处理;
或者,在所述第一网元未完成资源调整的情况下,删除资源调整配置信息。
在一些实施例中,处理器700还配置为读取存储器720中的程序,执行如下步骤:
在所述资源调整为减小带宽,且所述第一网元已完成资源调整的情况下,与第三网元之间执行带宽增大的调整处理,其中,所述第三网元为所述通信通道中于所述第一网元上游的网元;
或者,在所述资源调整为增大带宽,且所述第一网元已完成资源调整的情况下,与第四网元之间执行带宽减小的调整处理,其中,所述第四网元为所述通信通道中于所述第一网元下游的网元。
另一种实施方式中,本申请实施例的通信设备可以为管理控制单元,所述管理控制单元与通信通道中的多个网元通信连接,该实施方式中,通信设备包括:
处理器700,配置为读取存储器720中的程序,执行下列过程:
通过收发机710接收第一网元在检测到所述通信通道出现资源调整异常的情况下,发送的告警信息,其中,所述第一网元为所述多个网元中的任一网元;
通过收发机710向所述多个网元中的第五网元发送用于指示撤销资源调整的命令。
收发机710,配置为在处理器700的控制下接收和发送数据。
在一些实施例中,处理器700还配置为读取存储器720中的程序,执行如下步骤:
向所述通信通道中的各个网元发送用于指示撤销资源调整的命令。
本申请实施例提供的通信设备,可以执行上述方法实施例,其实现原理和技术效果类似,本实施例此处不再赘述。
此外,本申请实施例的计算机可读存储介质,配置为存储计算机程序,所述计算机程序可被处理器执行实现图1、图2或图3所示方法实施例中的各个步骤。
在本申请所提供的几个实施例中,应该理解到,所揭露方法和装置,可以 通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个***,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理包括,也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现,也可以采用硬件加软件功能单元的形式实现。
上述以软件功能单元的形式实现的集成的单元,可以存储在一个计算机可读取存储介质中。上述软件功能单元存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述收发方法的部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述是本申请的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本申请所述原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本申请的保护范围。
Claims (19)
- 一种通道资源调整方法,由通信通道中的第一网元执行,所述通信通道中包括多个网元,所述方法包括:接收管理控制单元发送的用于指示撤销资源调整的命令;基于所述命令,对所述第一网元的资源调整进行撤销处理。
- 根据权利要求1所述的方法,其中,所述接收管理控制单元发送的用于指示撤销资源调整的命令之前,所述方法还包括:在检测到所述通信通道出现资源调整异常的情况下,向所述管理控制单元发送告警信息。
- 根据权利要求2所述的方法,其中,所述检测到所述通信通道出现资源调整异常,包括:向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
- 根据权利要求2所述的方法,其中,所述检测到所述通信通道出现资源调整异常,包括:向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,向所述第二网元重发资源调整请求消息;在重发次数达到预设次数,且仍超过所述预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
- 根据权利要求2所述的方法,其中,所述检测到所述通信通道出现资源调整异常,包括:在所述第一网元进行资源调整的过程中出现调整失败的情况下,检测到所述通信通道出现资源调整异常。
- 根据权利要求1至5中任一项所述的方法,其中,所述基于所述命令,对所述第一网元的资源调整进行撤销处理,包括:在所述第一网元已完成资源调整的情况下,执行资源回退处理;或者,在所述第一网元未完成资源调整的情况下,删除资源调整配置信息。
- 根据权利要求1至5中任一项所述的方法,其中,所述基于所述命令,对所述第一网元的资源调整进行撤销处理,包括:在所述资源调整为减小带宽,且所述第一网元已完成资源调整的情况下,与第三网元之间执行带宽增大的调整处理,其中,所述第三网元为所述通信通道中于所述第一网元上游的网元;或者,在所述资源调整为增大带宽,且所述第一网元已完成资源调整的情况下,与第四网元之间执行带宽减小的调整处理,其中,所述第四网元为所述通信通道中于所述第一网元下游的网元。
- 一种通道资源调整方法,由管理控制单元执行,所述管理控制单元与通信通道中的多个网元通信连接,所述方法包括:接收第一网元在检测到所述通信通道出现资源调整异常的情况下,发送的告警信息,其中,所述第一网元为所述多个网元中的任一网元;向所述多个网元中的第五网元发送用于指示撤销资源调整的命令。
- 根据权利要求8所述的方法,其中,所述向所述多个网元中的第五网元发送用于指示撤销资源调整的命令,包括:向所述多个网元中的各个网元发送用于指示撤销资源调整的命令。
- 一种通道资源调整方法,由通道资源调整***执行,所述通道资源调整***包括管理控制单元和通信通道中的多个网元,所述方法包括:第一网元在检测到所述通信通道出现资源调整异常的情况下,向所述管理控制单元发送告警信息,所述第一网元为所述多个网元中的任一网元;所述管理控制单元向所述多个网元中的各网元发送用于指示撤销资源调整的命令;所述多个网元中的各网元基于所述命令,对各自网元的资源调整进行撤销处理。
- 根据权利要求10所述的方法,其中,所述检测到所述通信通道出现资源调整异常,包括:所述第一网元向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;所述第一网元在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
- 根据权利要求10所述的方法,其中,所述检测到所述通信通道出现资源调整异常,包括:所述第一网元向第二网元发送资源调整请求消息,其中,所述第二网元为所述多个网元中与所述第一网元相邻的网元;所述第一网元在超过预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,向所述第二网元重发资源调整请求消息;所述第一网元在重发次数达到预设次数,且仍超过所述预设时长未接收到所述第二网元发送的资源调整回复消息的情况下,检测到所述通信通道出现资源调整异常。
- 根据权利要求10所述的方法,其中,所述检测到所述通信通道出现资源调整异常,包括:所述第一网元在进行资源调整的过程中出现调整失败的情况下,检测到所述通信通道出现资源调整异常。
- 根据权利要求10至13中任一项所述的方法,其中,所述多个网元中的各网元基于所述命令,对各自网元的资源调整进行撤销处理,包括:所述多个网元中已完成资源调整的第一部分网元,执行资源回退处理;和/或,所述多个网元中未完成资源调整的第二部分网元,删除资源调整 配置信息。
- 根据权利要求10至13中任一项所述的方法,其中,所述多个网元中的各网元基于所述命令,对各自网元的资源调整进行撤销处理,包括:在所述资源调整为减小带宽的情况下,所述多个网元中已完成资源调整的第一部分网元从第一末网元开始依次向上游网元的方向执行资源回退处理,直至第一首网元执行完资源回退处理,其中,所述第一首网元为所述第一部分网元中最先执行减小带宽调整的网元,所述第一末网元为所述第一部分网元中最后执行减小带宽调整的网元,且所述第一首网元为减小带宽调整流程中的源网元;或者,在所述资源调整为增大带宽的情况下,所述多个网元中已完成资源调整的第一部分网元从第二首网元开始依次向下游网元的方向执行资源回退处理,直至第二末网元执行完资源回退处理,其中,所述第二首网元为所述第一部分网元中最后执行增大带宽调整的网元,所述第二末网元为所述第一部分网元中最先执行增大带宽调整的网元,且所述第二末网元为增大带宽调整流程中的宿网元。
- 一种通道资源调整装置,设置在通信通道中的第一网元,所述通信通道中包括多个网元,所述通道资源调整装置包括:第一接收模块,配置为接收管理控制单元发送的用于指示撤销资源调整的命令;处理模块,配置为基于所述命令,对所述第一网元的资源调整进行撤销处理。
- 一种通道资源调整装置,设置在管理控制单元,所述管理控制单元与通信通道中的多个网元通信连接,所述通道资源调整装置包括:第二接收模块,配置为接收第一网元在检测到所述通信通道出现资源调整异常的情况下,发送的告警信息,其中,所述第一网元为所述多个网元中的任一网元;第一发送模块,配置为向所述多个网元中的第五网元发送用于指示撤销 资源调整的命令。
- 一种通信设备,包括:收发机、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序;所述处理器,配置为读取存储器中的程序实现如权利要求1至7中任一项所述的通道资源调整方法中的步骤;或者实现如权利要求8或9所述的通道资源调整方法中的步骤。
- 一种计算机可读存储介质,配置为存储计算机程序,所述计算机程序被处理器执行时实现如权利要求1至7中任一项所述的通道资源调整方法中的步骤;或者实现如权利要求8或9所述的通道资源调整方法中的步骤。
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CN102724599A (zh) * | 2011-03-30 | 2012-10-10 | 中兴通讯股份有限公司 | 一种控制平面带宽调整处理方法 |
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CN110808793A (zh) * | 2018-08-02 | 2020-02-18 | 中兴通讯股份有限公司 | 监控信道控制方法、设备及可读存储介质 |
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US20110231551A1 (en) * | 2010-03-17 | 2011-09-22 | Microsoft Corporation | Network resource management with prediction |
CN102724599A (zh) * | 2011-03-30 | 2012-10-10 | 中兴通讯股份有限公司 | 一种控制平面带宽调整处理方法 |
CN102984605A (zh) * | 2011-09-07 | 2013-03-20 | 华为技术有限公司 | 一种光通道带宽的故障处理方法和装置 |
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