WO2018171641A1 - 网络管理信息的收发方法、装置、发送设备和接收设备 - Google Patents
网络管理信息的收发方法、装置、发送设备和接收设备 Download PDFInfo
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- WO2018171641A1 WO2018171641A1 PCT/CN2018/079897 CN2018079897W WO2018171641A1 WO 2018171641 A1 WO2018171641 A1 WO 2018171641A1 CN 2018079897 W CN2018079897 W CN 2018079897W WO 2018171641 A1 WO2018171641 A1 WO 2018171641A1
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- management information
- network management
- flexe
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- data stream
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000007726 management method Methods 0.000 claims abstract description 241
- 230000005540 biological transmission Effects 0.000 claims description 85
- 238000004590 computer program Methods 0.000 claims description 12
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- 230000003287 optical effect Effects 0.000 description 20
- 238000000605 extraction Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 6
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- 230000006855 networking Effects 0.000 description 6
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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
- H04L41/02—Standardisation; Integration
- H04L41/0246—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
- H04J3/1658—Optical Transport Network [OTN] carrying packets or ATM cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
-
- 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
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0057—Operations, administration and maintenance [OAM]
- H04J2203/0058—Network management, e.g. Intelligent nets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0073—Services, e.g. multimedia, GOS, QOS
- H04J2203/0082—Interaction of SDH with non-ATM protocols
- H04J2203/0085—Support of Ethernet
Definitions
- the present application relates to the field of communications technologies, for example, to a method, an apparatus, a transmitting device, and a receiving device for transmitting and receiving network management information.
- the rapid increase of user network information traffic has promoted the rapid development of communication network information transmission bandwidth.
- the interface bandwidth speed of network elements has increased from 10M (unit: bit/second) to 100M, and 1G, 10G, and 100G have been increased.
- a large number of 100G optical modules are used.
- 400G optical modules have been developed, the 400G optical modules are expensive and have exceeded the price of four 100G optical modules, resulting in the lack of commercial economic value of 400G optical modules.
- FIG. 1 is a schematic diagram of a theoretical networking of a FlexE protocol in the related art. As shown in Figure 1, four 100G optical modules are bundled together by the FlexE protocol to form a 400G transmission channel, which is equivalent to the transmission speed of a 400G optical module, and 400G service is realized without increasing the cost. Delivery requirements.
- the FlexE protocol requires that the FlexE protocol be supported on both sides of the NE to enable remote network management based on the FlexE protocol.
- each optical port is in a fixed mode by default, usually in Ethernet mode (non-FlexE mode). After the NEs are powered on, all the optical interfaces of the NEs on both sides are in Ethernet mode. In this case, the NEs can communicate with each other.
- the network management channel is normal. You can manage the entire network remotely.
- the management device in the network sends the commands to enable the FlexE mode to the NEs.
- the NEs in the network start to enable the FlexE mode. Due to the difference in signal transmission time, some NEs start the FlexE mode first.
- FIG. 2 is a schematic diagram of networking in the actual networking of the FlexE protocol in the related art. As shown in Figure 2, the NE on the left is in the FlexE mode, and the NE on the right is in the Ethernet mode. The two NEs support different protocols. The locations of the management channels are different. The NEs cannot be connected. The channel is interrupted, all network elements cannot be linked, and if one network element fails to switch from Ethernet mode to FlexE mode, the entire network will be interrupted, and cannot be managed.
- the application provides a method for transmitting network management information, including: selecting a delivery channel corresponding to the configuration mode according to a configuration mode of the sending device; carrying the network management information in the data flow, and transmitting the network management information to the receiving device Send the data stream.
- the present application provides a method for receiving network management information, including: identifying a configuration mode of the sending device according to a data flow sent by the sending device, and receiving network management information sent by the sending device according to a configuration mode of the sending device, The network management information is carried in the data stream.
- the present application provides a device for transmitting network management information, including: a selection module, configured to select a delivery channel corresponding to the configuration mode according to a configuration mode of the sending device; and a sending module configured to carry the network management information in the data stream And transmitting the data stream to the receiving device through the delivery channel.
- the present application provides a device for receiving network management information, including: an identification module, configured to identify a configuration mode of the sending device according to a data flow sent by the sending device; and a receiving module configured to receive according to a configuration mode of the sending device Network management information sent by the sending device, where network management information is carried in the data stream.
- the present application provides a transmitting device including at least one of a processor that performs data processing, a memory for storing instructions and data, and a data transceiver for data transmission and reception, the processor When the instructions and data stored in the memory are executed, the following operations are performed: selecting a delivery channel corresponding to the configuration mode according to a configuration mode of the sending device; carrying the network management information in the data stream, and receiving the data through the delivery channel The device sends the data stream.
- the present application also provides a receiving device including at least one of a processor for performing data processing, a memory for storing a computer program, and a data transceiver for data transmission and reception, the processor
- a receiving device including at least one of a processor for performing data processing, a memory for storing a computer program, and a data transceiver for data transmission and reception, the processor
- the configuration mode of the sending device is identified according to the data flow sent by the sending device
- the network management information sent by the sending device is received according to the configuration mode of the sending device, where The network management information is carried in the data stream.
- the present application provides a computer readable storage medium storing a computer program configured to perform the aforementioned method and method of transmitting network management information.
- the transmitting end selects the delivery channel corresponding to the current configuration mode to send network management information; the receiving end receives the data flow, identifies the configuration mode of the transmitting end, and acquires network management information in the delivery channel corresponding to the configuration mode.
- the network management information sent by the sending end network element can be correctly obtained.
- FIG. 1 is a schematic diagram of a theoretical networking of a FlexE protocol in the related art
- FIG. 2 is a schematic diagram of a problem networking in the actual networking of the FlexE protocol in the related art
- FIG. 3 is a flowchart of a method for transmitting network management information in an embodiment of the present application
- FIG. 4 is a schematic diagram of inserting an overhead block into a data stream in an embodiment of the present application
- FIG. 5 is a schematic structural diagram of an overhead frame according to an embodiment of the present application.
- FIG. 6 is a flowchart of a method for receiving network management information in an embodiment of the present application.
- FIG. 7 is a structural diagram of a device for transmitting network management information according to an embodiment of the present application.
- FIG. 8 is a structural diagram of a device for receiving network management information according to an embodiment of the present application.
- FIG. 9(a) is a schematic diagram showing the transmission and reception of network management information in an embodiment of the present application.
- FIG. 9(b) is a schematic diagram of a network management information sending path of a network element sending end according to an embodiment of the present application.
- FIG. 9(c) is a schematic diagram of a network management information receiving path of a receiving end of a network element in an embodiment of the present application.
- FIG. 10(a) is a schematic diagram showing the transmission and reception of network management information in an embodiment of the present application.
- FIG. 10(b) is a schematic diagram of a network management information receiving path of a network element receiving end according to an embodiment of the present application
- Figure 11 (a) is a schematic diagram of the transmission and reception of network management information in an embodiment of the present application.
- FIG. 11(b) is a schematic diagram of a network management information sending path of a network element sending end according to an embodiment of the present application
- FIG. 12 is a schematic structural diagram of hardware of a transmitting device according to an embodiment of the present application.
- FIG. 13 is a schematic structural diagram of hardware of a receiving device according to an embodiment of the present application.
- the sending end selects the delivery channel corresponding to the current configuration mode to send network management information; the receiving end receives the data flow, identifies the configuration mode of the sending end, and acquires network management information in the delivery channel corresponding to the configuration mode.
- the network management information sent by the sending end network element can be correctly obtained.
- An embodiment of the present application provides a method for transmitting network management information.
- the execution body of this embodiment is a transmitting device, and the sending device may be an optical module.
- FIG. 3 is a flowchart of a method for transmitting network management information according to an embodiment of the present application, including steps S310 and S320.
- a delivery channel corresponding to the configuration mode is selected according to a configuration mode of the transmitting device.
- the configuration mode of the sending device may be identified, and the delivery channel corresponding to the configuration mode is selected according to the configuration mode of the sending device.
- the configuration modes of the sending device include: Ethernet mode and FlexE mode.
- the configuration information of the sending device may be queried to identify whether the current configuration mode of the sending device is an Ethernet mode or a FlexE mode.
- the types of delivery channels include: Ethernet channels and FlexE channels.
- the transmission channel corresponding to the Ethernet mode is an Ethernet channel
- the transmission channel corresponding to the FlexE mode is a FlexE channel.
- network management information is carried in the data stream, and the data stream is sent to the receiving device through the delivery channel.
- the network management information is used to implement network management, and the network management information may be, for example, query information, report information, control information, and the like.
- the data stream of the corresponding format is transmitted according to the configuration mode of the transmitting device.
- the sending device sends the Ethernet data stream in Ethernet mode and the FlexE data stream in FlexE mode.
- the delivery channel corresponding to the configuration mode of the sending device is an Ethernet channel
- insert the network management information into the Ethernet data stream and send the Ethernet data stream to the receiving device by using the Ethernet channel, Thereby the network management information is transmitted along with the Ethernet data stream.
- the network management information is encapsulated in a FlexE frame of the FlexE data stream, and the FlexE data stream is sent to the receiving device through the FlexE channel.
- the data block carrying the service data and the network management information may be combined, and the network management information is carried in the overhead block to generate a data stream in the FlexE format.
- the FlexE frame is an overhead frame, and the overhead frame includes 8 consecutive overhead blocks, and the network management information can be encapsulated in one or more overhead blocks.
- the optical module performs 64/66 encoding on the data before transmitting the data, and expands the 64-bit data into 66 bits, and the added two bits are the first two of the 66 bits.
- the bits are used as the start flag of 66 bits, and then the 66-bit data block is transmitted from the optical port of the optical module.
- the optical port of the optical module discriminates the 66-bit data block from the received data stream, and then recovers the original 64-bit data from the 66-bit data block, and reassembles the data message.
- the FlexE protocol is in a 64-bit to 66-bit conversion layer, and the optical module inserts an overhead block every 20 ⁇ 1023 66-bit data blocks.
- the 66-bit data block is sorted and planned, and every 20 66-bit data blocks can be divided into one data block group, and 20 data blocks represent 20 time slots, each time The gap represents the business speed of 5G bandwidth.
- 4 is a schematic diagram of inserting an overhead block into a data stream in an embodiment of the present application. As shown in FIG. 4, when transmitting the FlexE data stream, each time 1023 data block groups (1023 ⁇ 20 data blocks) are transmitted, one overhead block is inserted, the white block is a data block, and the black block is an overhead block.
- After inserting the overhead block continue to send the data block, after transmitting the second 1023 ⁇ 20 data blocks, insert an overhead block, and so on, so that the overhead block is periodically inserted during the process of sending the data block.
- the interval between two adjacent overhead blocks is 1023 ⁇ 20 data blocks.
- the overhead block is data of 66 bits in length, and an overhead block is inserted every 1023 ⁇ 20 data blocks in the data stream transmission process.
- the overhead block can function as a positioning function in the entire data stream. When the cost block is found, the location of the first data block group in the data stream and the location of the subsequent data block group can be determined.
- FIG. 5 is a schematic structural diagram of an overhead frame in an embodiment of the present application. Eight consecutive overhead blocks form an overhead frame, and the contents of the overhead frame are as shown in FIG. 5.
- An overhead block consists of a 2-bit block flag and 64-bit block contents. The block flag is located in the first 2 columns, the next 64 columns are the block contents, the block flag of the first overhead block is 10, and the block flags of the following 7 overhead blocks are 01 or SS (SS indicates that the content is uncertain).
- the content of the first overhead block is: 0x4B (4B in hexadecimal), C bit of the first overhead block (indicating adjustment control), OMF bit (indicating overhead frame multiframe indication), RPF bit (representing the far end) Defect indication), RES bit (reserved bit), FlexE group number (representing the number of the bundle group), 0x5 (5 in hexadecimal), 000000 (0 in hexadecimal).
- 0x4B and 0x5 are the flag indications of the first overhead block.
- C bit of the third overhead block (indicating the adjustment control), Client calendar A (indicating the type of customer service loaded by the slot), Client calendar B (the type of customer service loaded by the slot), CR (adding or deleting the customer service in the slot) Request), CA (add or delete feedback on customer service in slot), CRC-16 (CRC-16 check digit).
- the fourth overhead block to the eighth overhead block can be used to carry network pipe information.
- the management channel information is divided into two levels: Manage channel-section (management channel of the fault) and Manage channel-shim to shim (shim to shim management channel).
- the Manage channel-section is located in the 4th to 5th cost blocks, and the Manage channel-shim to shim is located in the 6th to 8th cost blocks.
- the network management information is carried in the Manage channel-shim to shim; if the data stream does not need to reach the receiving end through the third-party network, it can be in the Manage channel-section and At least one of the Manage channel-shim to shim carries network management information.
- An embodiment of the present application provides a method for receiving network management information.
- the execution subject of the embodiment of the present application is a receiving device.
- FIG. 6 is a flowchart of a method for receiving network management information according to an embodiment of the present application, including step S610 and step S620.
- a configuration mode of the transmitting device is identified according to the data stream sent by the transmitting device.
- network management information sent by the sending device is received according to a configuration mode of the sending device, where the network management information is carried in the data stream.
- the configuration modes of the sending device include: Ethernet mode and flexible Ethernet FlexE mode.
- the data stream sent by the sending device may be an Ethernet data stream or a FlexE data stream.
- the data stream When identifying the configuration mode of the sending device, if the data stream is identified as an Ethernet packet format, the data stream is an Ethernet data stream, and the configuration module of the sending device is an Ethernet mode; if the data stream is identified as a FlexE data In the stream format, the data stream is a FlexE data stream, and the configuration module of the sending device is a FlexE mode.
- the network management information is searched for in the Ethernet data stream; if the received data stream is a FlexE data stream, the FlexE frame in the FlexE data stream is queried and in the FlexE frame. Extract network management information.
- the delivery channel corresponding to the configuration mode is selected according to the configuration mode of the sending device, and the network management information sent by the sending device is received in the transmission channel corresponding to the configuration mode.
- the transmission channel corresponding to the Ethernet mode is an Ethernet channel
- the transmission channel corresponding to the FlexE mode is a FlexE channel.
- the configuration mode of the sending device When the configuration mode of the sending device is identified, detecting whether a FlexE frame exists in the data stream; if a FlexE frame exists in the data stream, the data stream is framed; if the frame is successful, the configuration mode of the transmitting device is In FlexE mode, if the framing is unsuccessful, the configuration mode of the sending device is Ethernet mode. That is, if there is no FlexE frame in the data stream or the frame fails, the transmitting device is in Ethernet mode.
- the FlexE frame is an overhead frame.
- the framing of the data stream refers to detecting whether there is an overhead block in the data stream. If there is an overhead block, determining the position of the overhead block in the overhead frame, if the time frame is from first to last, the overhead frame can be continuously detected. The first overhead block to the fifth overhead block are successfully framed; if the first to fifth overhead blocks in the overhead frame cannot be continuously detected in the order from time to time, the frame is fixed. failure.
- the transmission channel corresponding to the configuration mode is selected according to the configuration mode of the sending device, that is, the corresponding transmission channel is strobed; and before the transmission channel corresponding to the configuration mode receives the network management information sent by the sending device, step A is also included. And step B.
- the network management information is searched for in the data stream sent by the sending device, and in the case that the network management information is searched, the network management information is input into the transmission channel corresponding to the selected configuration mode, so as to correspond to the selected configuration mode.
- the FlexE frame is searched in the data stream sent by the sending device, and when the FlexE frame is found, the network management information is extracted in the FlexE frame, and the extracted network management information is input to the selected configuration mode.
- Corresponding transmission channels so as to receive network management information sent by the sending device in the selected transmission channel corresponding to the configuration mode.
- the FlexE frame is an overhead block.
- step A and step B may be performed simultaneously. Since the configuration mode of the transmitting device is the Ethernet mode or the FlexE mode, in steps A and B, there must be a step to obtain network management information, and the data stream type processed by the step of obtaining the network management information (Ethernet) The corresponding configuration mode of the data stream or the FlexE data stream corresponds to the selected transmission channel.
- the technical solution provided in the embodiment of the present application can implement the communication between the sending device and the receiving device, reduce the risk of network interruption and embarrassment, and enhance the reliability of the network.
- FIG. 7 is a structural diagram of a device for transmitting network management information according to an embodiment of the present application.
- the device for transmitting network management information in the embodiment of the present application may be disposed in the sending device.
- the device for transmitting the network management information includes:
- the selecting module 710 is configured to select a delivery channel corresponding to the configuration mode according to a configuration mode of the sending device.
- the sending module 720 is configured to send the data stream to the receiving device by using the delivery channel, where the network management information is carried in the data stream.
- the configuration mode of the sending device includes: an Ethernet mode and a flexible Ethernet FlexE mode; wherein, the transmission channel corresponding to the Ethernet mode is an Ethernet channel, and the transmission channel corresponding to the FlexE mode For the FlexE channel.
- the sending module 720 is configured to insert the network management information into an Ethernet data stream and pass the Ethernet if the delivery channel corresponding to the configuration mode is an Ethernet channel.
- the network channel sends the Ethernet data stream to the receiving device; if the delivery channel corresponding to the configuration mode is a FlexE channel, the network management information is encapsulated in a FlexE frame of the FlexE data stream, and passes through the FlexE A channel transmits the FlexE data stream to the receiving device.
- the FlexE frame is an overhead frame.
- FIG. 8 is a structural diagram of a device for receiving network management information according to an embodiment of the present application.
- the apparatus for receiving network management information in an embodiment of the present application may be disposed in a receiving device.
- the device for receiving network management information includes:
- the identification module 810 is configured to identify a configuration mode of the sending device according to a data flow sent by the sending device.
- the receiving module 820 is configured to receive network management information sent by the sending device according to a configuration mode of the sending device, where the network management information is carried in the data stream.
- the receiving module 820 includes: a selecting unit 821 and a receiving unit 822;
- the selecting unit 821 is configured to select a delivery channel corresponding to the configuration mode according to a configuration mode of the sending device
- the receiving unit 822 is configured to receive network management information sent by the sending device in a transmission channel corresponding to the configuration mode, where the network management information is carried in the data stream.
- the configuration mode of the sending device includes: an Ethernet mode and a flexible Ethernet FlexE mode; wherein, the transmission channel corresponding to the Ethernet mode is an Ethernet channel, and the transmission channel corresponding to the FlexE mode For the FlexE channel.
- the identifying module 810 is configured to: detect whether a FlexE frame exists in the data stream; and if the FlexE frame exists in the data stream, frame the data stream If the framing is successful, the configuration mode of the sending device is the FlexE mode, and if the framing is unsuccessful, the configuration mode of the transmitting device is the Ethernet mode.
- the apparatus further includes: a search module and an extraction module, which are not shown in the figure.
- a search module configured to search for the network management information in the data stream sent by the sending device before receiving the network management information sent by the sending device in the transmission channel corresponding to the configuration mode, and searching for the network
- the network management information is input to the selected transmission channel corresponding to the configuration mode, so as to receive the network management information sent by the sending device in the selected transmission channel corresponding to the configuration mode;
- the extracting module is configured to: before receiving the network management information sent by the sending device in the transmission channel corresponding to the configuration mode, searching for a FlexE frame in the data stream sent by the sending device, where the FlexE frame is found And extracting the network management information in the FlexE frame, and inputting the extracted network management information into a transmission channel corresponding to the selected configuration mode, so as to transmit in the selected configuration mode.
- the channel receives network management information sent by the sending device.
- the FlexE frame is an overhead frame.
- the network element includes a transmitting end and a receiving end, the network element can serve as both a transmitting device and a receiving device.
- FIG. 9(a) is a schematic diagram of transmission and reception of network management information in an embodiment of the present application.
- FIG. 9(b) is a schematic diagram of a network management information sending path of a network element transmitting end according to an embodiment of the present application.
- FIG. 9(c) is a schematic diagram of a network management information receiving path of a network element receiving end according to an embodiment of the present application.
- both the network element 1 and the network element 2 are in an Ethernet mode, and the network element 1 may send network management information to the network element 2, or may receive the network element 2 and send the network management information. Network management information.
- the client service port outputs a client data stream
- the management information port outputs network management information
- the message inserting module inserts network management information into the client data stream to form an ethernet.
- the network data stream; the management information control module controls the selector to output the Ethernet data stream through the Ethernet channel.
- the FlexE frame generation module at the sender discards the FlexE data stream.
- the management information control module is equivalent to the selection module 710 described above, and the FlexE frame generation module and the message insertion module are equivalent to the above-mentioned transmission module 720.
- the Ethernet packet management information search module and the FlexE frame management channel information extraction module respectively search and extract network management information; since the network element 2 is in an Ethernet mode, Therefore, at the receiving end of the network element 1, the Ethernet packet management information search module can search for the correct network management information.
- the FlexE frame management channel information extraction module cannot extract the network management information because the FlexE overhead block cannot be found, and the result is not output.
- the FlexE frame diagnostic module outputs a selection control information because the overhead block cannot be found, the frame fails, and the control selector outputs the network management information to the management information port through the Ethernet channel.
- the Ethernet packet management information search module is equivalent to the above search module
- the FlexE frame management channel information extraction module is equivalent to the above extraction module
- the FlexE frame diagnosis module and the management information port are equivalent to the above-mentioned receiving unit 820, and the FlexE frame diagnosis is performed.
- the module corresponds to the above-described selection unit 821
- the management information port corresponds to the above-described receiving unit 822.
- FIG. 10 (a) is a schematic diagram of the transmission and reception of network management information in an embodiment of the present application; and Figure 10 (b) is a schematic diagram of the network management information receiving path of the receiving end of the network element in an embodiment of the present application.
- the network element 1 is in the Ethernet mode, and the network element 2 is in the FlexE mode.
- the network element 1 may send network management information to the network element 2, and may also receive network management information sent by the network element 2.
- the client service port outputs a client data stream
- the management information port outputs network management information
- the message inserting module inserts network management information into the client data stream to form Ethernet data.
- the management information control module controls the selector to output the Ethernet data stream through the Ethernet channel. In Ethernet mode, the FlexE frame generation module on the sender does not work, so the FlexE data stream is not output.
- the Ethernet packet management information search module and the FlexE frame management channel information extraction module respectively search and extract network management information; since the network element 2 is in the FlexE mode, the network is The receiving end of the element 1 receives the data stream as a FlexE data stream; the Ethernet message management information search module cannot search for the correct network management information or the searched content has an error; the FlexE frame management channel information extraction module can find the FlexE overhead block. , extract network management information and output.
- the FlexE frame diagnostic module can find the overhead block and frame the success, output selection control information, and control the selector to output network management information to the management information port through the FlexE channel.
- FIG. 11 (a) is a schematic diagram of the transmission and reception of network management information in an embodiment of the present application; and Figure 11 (b) is a schematic diagram of a network management information transmission path of the network element transmitting end in an embodiment of the present application.
- both the network element 1 and the network element 2 are in the FlexE mode, and the network element 1 may send network management information to the network element 2, and may also receive network management information sent by the network element 2.
- the client service port outputs the client data stream
- the management information port outputs the network management information
- the FlexE frame generation module works normally, and the client service flow and the network management information are combined into the FlexE frame structure.
- Forming a FlexE data stream the management information control module controls the selector to output the FlexE data stream through the FlexE channel.
- the message insert module output result is discarded.
- the Ethernet packet management information search module and the FlexE frame management channel information extraction module respectively search and extract network management information; since the network element 2 is in the FlexE mode, the network is The receiving end of the element 1 receives the data stream as a FlexE data stream; the Ethernet message management information search module cannot search for the correct network management information or the searched content has an error; the FlexE frame management channel information extraction module can find the FlexE overhead block. , extract network management information and output.
- the FlexE frame diagnostic module can find the overhead block and frame the success, output selection control information, and control the selector to output network management information to the management information port through the FlexE channel.
- the data stream is received at the receiving end of the network element, the configuration mode of the sending end is identified, and the network management information is obtained in the delivery channel corresponding to the configuration mode.
- An embodiment of the present application also provides a computer program, a storage medium storing the program, and a transmitting device.
- the transmitting device includes a processor for performing data processing, a memory for storing a computer program, and a data transceiver for data transmission or reception, and when the processor executes the computer program stored in the memory, performing the following operations: a configuration mode of the sending device, selecting a delivery channel corresponding to the configuration mode; carrying network management information in the data flow, and transmitting the data flow to the receiving device by using the delivery channel.
- the configuration mode of the sending device includes: an Ethernet mode and a flexible Ethernet FlexE mode; wherein, the transmission channel corresponding to the Ethernet mode is an Ethernet channel, and the transmission channel corresponding to the FlexE mode For the FlexE channel.
- the network management information is carried in the data stream, and the data stream is sent to the receiving device by using the delivery channel, including: if the delivery channel corresponding to the configuration mode is an Ethernet channel, And inserting the network management information into the Ethernet data stream, and sending the Ethernet data stream to the receiving device by using the Ethernet channel; if the transmission channel corresponding to the configuration mode is a FlexE channel, The network management information is encapsulated in a FlexE frame of the FlexE data stream and the FlexE data stream is sent to the receiving device over the FlexE channel.
- the FlexE frame is an overhead frame.
- a computer readable storage medium is also provided in an embodiment of the present application, the storage medium storing a computer program configured to perform any of the methods in the embodiments of the present application.
- FIG. 12 is a schematic diagram of a hardware structure of a transmitting device according to an embodiment of the present application, where the sending device is configured to implement a method for sending network management information.
- the transmitting device 1200 can include one or more (only one shown) processor 1210 (the processor 1210 can include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA).
- the structure shown in FIG. 12 is merely illustrative, and does not impose a single limitation on the structure of the above electronic device.
- the transmitting device 1200 may further include more or less components than those shown in FIG. 12 by splitting or merging the above functions, or have a configuration different from that shown in FIG.
- the memory 1220 can be used to store the software program and the module of the application software, and the program instruction/module corresponding to the method for transmitting the network management information corresponding to the sending device disclosed in the foregoing embodiment can be stored in the memory 1220, and the method for transmitting the network management information
- the previous embodiments have been described in detail, and thus the present embodiment will not be repeated in detail.
- the processor 1210 performs various functional applications and data processing by running (executing) a software program and modules stored in the memory 1220, that is, implementing the above method.
- Memory 1220 can include high speed random access memory, and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
- memory 1220 can further include memory (cloud memory) remotely located relative to processor 1210, which can be connected to transmitting device 1200 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
- the data transceiver 1230 is for receiving or transmitting data via a network.
- the above-described network specific example may include a wireless network provided by a communication provider of the transmitting device 1200.
- the data transceiver 1230 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
- the data transceiver 1230 includes a radio frequency (Radio Frequency, RF for short) module for communicating with the Internet wirelessly.
- NIC Network Interface Controller
- An embodiment of the present application also provides a receiving device.
- the receiving device includes a processor for performing data processing, a memory for storing a computer program, and a data transceiver for data transmission or reception, and when the processor executes the computer program stored in the memory, performing the following operations: And the network management information sent by the sending device is received according to the configuration mode of the sending device, where the network management information is carried in the data stream.
- receiving the network management information sent by the sending device according to the configuration mode of the sending device including: selecting, according to a configuration mode of the sending device, a delivery channel corresponding to the configuration mode; The network management information sent by the sending device is received in a transmission channel corresponding to the configuration mode.
- the configuration mode of the sending device includes: an Ethernet mode and a flexible Ethernet FlexE mode; wherein, the transmission channel corresponding to the Ethernet mode is an Ethernet channel, and the transmission channel corresponding to the FlexE mode For the FlexE channel.
- the identifying a configuration mode of the sending device according to the data stream sent by the sending device includes: detecting whether a FlexE frame exists in the data stream; and the FlexE frame exists in the data stream In the case of the data stream, the data stream is framed; if the frame is successful, the configuration mode of the sending device is the FlexE mode, and if the frame is not successfully configured, the configuration mode of the sending device is the Ethernet mode.
- the method before receiving the network management information sent by the sending device in the transmission channel corresponding to the configuration mode, the method further includes: searching, in the data stream sent by the sending device, the network management information. And in the case that the network management information is searched, the network management information is input to the selected transmission channel corresponding to the configuration mode, so as to receive the sending device in the selected transmission channel corresponding to the configuration mode.
- Sending network management information searching for a FlexE frame in the data stream sent by the sending device, and extracting the network management information in the FlexE frame if the FlexE frame is found, and extracting the extracted
- the network management information is input to the selected transmission channel corresponding to the configuration mode, so that the network management information sent by the sending device is received in the selected transmission channel corresponding to the configuration mode.
- the FlexE frame is an overhead frame.
- FIG. 13 is a schematic diagram of a hardware structure of a receiving device according to an embodiment of the present application, where the receiving device is configured to implement a method for receiving network management information.
- the receiving device 1300 can include one or more (only one shown) processor 1310 (the processor 1310 can include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA)
- a memory 1320 for storing data and a data transceiver 1330 for data transmission and/or reception.
- the structure shown in FIG. 13 is merely illustrative, and does not impose a single limitation on the structure of the above electronic device.
- the receiving device 1300 may further include more or less components than those shown in FIG. 13 by splitting or merging the above functions, or have a configuration different from that shown in FIG.
- the memory 1320 can be used to store software programs and modules of the application software, and the program instructions/modules corresponding to the method for transmitting the network management information corresponding to the receiving device disclosed in the foregoing embodiments can be stored in the memory 1320, and the method for transmitting the network management information
- the previous embodiments have been described in detail, and thus the present embodiment will not be repeated in detail.
- the processor 1310 performs various functional applications and data processing by executing (executing) software programs and modules stored in the memory 1320, that is, implementing the above method.
- Memory 1320 can include high speed random access memory and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
- memory 1320 can further include memory (cloud memory) remotely located relative to processor 1310, which can be connected to receiving device 1300 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
- the data transceiver 1330 is for receiving or transmitting data via a network.
- the network specific example described above may include a wireless network provided by a communication provider of the receiving device 1300.
- the data transceiver 1330 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
- the data transceiver 1330 includes a radio frequency (Radio Frequency, RF for short) module for communicating with the Internet wirelessly.
- NIC Network Interface Controller
- the communication between different network elements can be implemented, and the network management information sent by the network element of the sending end can be correctly obtained.
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Abstract
Description
Claims (31)
- 一种网络管理信息的发送方法,包括:根据发送设备的配置模式选择所述配置模式对应的传递通道;将网络管理信息携带在数据流中,并通过所述传递通道向接收设备发送所述数据流。
- 如权利要求1所述的方法,其中,所述发送设备的配置模式包括:以太网模式和灵活以太网FlexE模式;其中,所述以太网模式对应的传递通道为以太网通道,所述FlexE模式对应的传递通道为FlexE通道。
- 如权利要求1所述的方法,其中,所述将网络管理信息携带在数据流中,并通过所述传递通道向接收设备发送所述数据流,包括:如果所述配置模式对应的传递通道为以太网通道,则将所述网络管理信息***到以太网数据流中,并通过所述以太网通道向所述接收设备发送所述以太网数据流;如果所述配置模式对应的传递通道为FlexE通道,则将所述网络管理信息封装在FlexE数据流的FlexE帧中,并通过所述FlexE通道向所述接收设备发送所述FlexE数据流。
- 根据权利要求3所述的方法,其中,所述FlexE帧为开销帧。
- 一种网络管理信息的接收方法,包括:根据发送设备发送的数据流识别所述发送设备的配置模式;根据所述发送设备的配置模式接收所述发送设备发送的网络管理信息,其中,所述网络管理信息携带在所述数据流中。
- 根据权利要求5所述的方法,其中,根据所述发送设备的配置模式,接收所述发送设备发送的网络管理信息,包括:根据所述发送设备的配置模式选择所述配置模式对应的传递通道;在所述配置模式对应的传输通道中接收所述发送设备发送的网络管理信息。
- 根据权利要求6所述的方法,其中,所述发送设备的配置模式包括:以太网模式和灵活以太网FlexE模式;其中,所述以太网模式对应的传递通道为以太网通道,所述FlexE模式对应 的传递通道为FlexE通道。
- 根据权利要求7所述的方法,其中,所述根据发送设备发送的数据流,识别所述发送设备的配置模式,包括:检测所述数据流中是否存在FlexE帧;在所述数据流中存在所述FlexE帧的情况下,对所述数据流进行定帧;如果定帧成功,则所述发送设备的配置模式为FlexE模式,如果定帧不成功,则所述发送设备的配置模式为以太网模式。
- 根据权利要求7所述的方法,所述在所述配置模式对应的传输通道中接收所述发送设备发送的网络管理信息之前,还包括:在所述发送设备发送的数据流中搜索所述网络管理信息,在搜索到所述网络管理信息的情况下,将所述网络管理信息输入到选择的所述配置模式对应的传输通道中,以便在选择的所述配置模式对应的传输通道,接收所述发送设备发送的网络管理信息;在所述发送设备发送的数据流中查找FlexE帧,在查找到所述FlexE帧的情况下,在所述FlexE帧中提取所述网络管理信息,并将提取出的所述网络管理信息输入到选择的所述配置模式对应的传输通道中,以便在选择的所述配置模式对应的传输通道接收所述发送设备发送的网络管理信息。
- 如权利要求7-9中任一项所述的方法,其中,所述FlexE帧为开销帧。
- 一种网络管理信息的发送装置,包括:选择模块,设置为根据发送设备的配置模式选择所述配置模式对应的传递通道;发送模块,设置为将网络管理信息携带在数据流中,并通过所述传递通道向接收设备发送所述数据流。
- 如权利要求11所述的装置,其中,所述发送设备的配置模式包括:以太网模式和灵活以太网FlexE模式;其中,所述以太网模式对应的传递通道为以太网通道,所述FlexE模式对应的传递通道为FlexE通道。
- 如权利要求11所述的装置,其中,所述发送模块,设置为:如果所述配置模式对应的传递通道为以太网通道,则将所述网络管理信息 ***到以太网数据流中,并通过所述以太网通道向所述接收设备发送所述以太网数据流;如果所述配置模式对应的传递通道为FlexE通道,则将所述网络管理信息封装在FlexE数据流的FlexE帧中,并通过所述FlexE通道向所述接收设备发送所述FlexE数据流。
- 根据权利要求13所述的装置,其中,所述FlexE帧为开销帧。
- 一种网络管理信息的接收装置,包括:识别模块,设置为根据发送设备发送的数据流识别所述发送设备的配置模式;接收模块,设置为根据所述发送设备的配置模式接收所述发送设备发送的网络管理信息,其中,所述网络管理信息携带在所述数据流中。
- 根据权利要求15所述的装置,其中,所述接收模块,包括:选择单元,设置为根据所述发送设备的配置模式选择所述配置模式对应的传递通道;接收单元,设置为在所述配置模式对应的传输通道中接收所述发送设备发送的网络管理信息。
- 根据权利要求16所述的装置,其中,所述发送设备的配置模式包括:以太网模式和灵活以太网FlexE模式;其中,所述以太网模式对应的传递通道为以太网通道,所述FlexE模式对应的传递通道为FlexE通道。
- 根据权利要求17所述的装置,其中,所述识别模块设置为:检测所述数据流中是否存在FlexE帧;在所述数据流中存在所述FlexE帧的情况下,对所述数据流进行定帧;如果定帧成功,则所述发送设备的配置模式为FlexE模式,如果定帧不成功,则所述发送设备的配置模式为以太网模式。
- 根据权利要求17所述的装置,其中,所述装置还包括:搜索模块,设置为在所述配置模式对应的传输通道中接收所述发送设备发送的网络管理信息之前,在所述发送设备发送的数据流中搜索所述网络管理信息,在搜索到所述网络管理信息的情况下,将所述网络管理信息输入到选择的 所述配置模式对应的传输通道中,以便在选择的所述配置模式对应的传输通道接收所述发送设备发送的网络管理信息;提取模块,设置为在所述配置模式对应的传输通道中接收所述发送设备发送的网络管理信息之前,在所述发送设备发送的数据流中查找FlexE帧,在查找到所述FlexE帧的情况下,在所述FlexE帧中提取所述网络管理信息,并将提取出的所述网络管理信息输入到选择的所述配置模式对应的传输通道中,以便在选择的所述配置模式对应的传输通道接收所述发送设备发送的网络管理信息。
- 如权利要求17-19中任一项所述的装置,其中,所述FlexE帧为开销帧。
- 一种发送设备,所述发送设备包括进行数据处理的处理器、用于存储指令和数据的存储器以及用于数据发送和接收的数据收发器中的至少一种,所述处理器执行所述存储器中存储的指令和数据时,执行如下操作:根据发送设备的配置模式选择所述配置模式对应的传递通道;将网络管理信息携带在数据流中,并通过所述传递通道向接收设备发送所述数据流。
- 如权利要求21所述的发送设备,其中,所述发送设备的配置模式包括:以太网模式和灵活以太网FlexE模式;其中,所述以太网模式对应的传递通道为以太网通道,所述FlexE模式对应的传递通道为FlexE通道。
- 如权利要求21所述的发送设备,其中,所述将网络管理信息携带在数据流中,并通过所述传递通道向接收设备发送所述数据流,包括:如果所述配置模式对应的传递通道为以太网通道,则将所述网络管理信息***到以太网数据流中,并通过所述以太网通道向所述接收设备发送所述以太网数据流;如果所述配置模式对应的传递通道为FlexE通道,则将所述网络管理信息封装在FlexE数据流的FlexE帧中,并通过所述FlexE通道向所述接收设备发送所述FlexE数据流。
- 根据权利要求23所述的发送设备,其中,所述FlexE帧为开销帧。
- 一种接收设备,所述接收设备包括进行数据处理的处理器、用于存储计算机程序的存储器以及用于数据发送和接收的数据收发器,所述处理器执行 所述存储器中存储的计算机程序时,执行如下操作:根据发送设备发送的数据流识别所述发送设备的配置模式;根据所述发送设备的配置模式接收所述发送设备发送的网络管理信息,其中,所述网络管理信息携带在所述数据流中。
- 根据权利要求25所述的接收设备,其中,根据所述发送设备的配置模式,接收所述发送设备发送的网络管理信息,包括:根据所述发送设备的配置模式选择所述配置模式对应的传递通道;在所述配置模式对应的传输通道中接收所述发送设备发送的网络管理信息。
- 根据权利要求26所述的接收设备,其中,所述发送设备的配置模式包括:以太网模式和灵活以太网FlexE模式;其中,所述以太网模式对应的传递通道为以太网通道,所述FlexE模式对应的传递通道为FlexE通道。
- 根据权利要求27所述的接收设备,其中,所述根据发送设备发送的数据流,识别所述发送设备的配置模式,包括:检测所述数据流中是否存在FlexE帧;在所述数据流中存在所述FlexE帧的情况下,对所述数据流进行定帧;如果定帧成功,则所述发送设备的配置模式为FlexE模式,如果定帧不成功,则所述发送设备的配置模式为以太网模式。
- 根据权利要求27所述的接收设备,其中,所述在所述配置模式对应的传输通道中接收所述发送设备发送的网络管理信息之前,还包括:在所述发送设备发送的数据流中搜索所述网络管理信息,在搜索到所述网络管理信息的情况下,将所述网络管理信息输入到选择的所述配置模式对应的传输通道中,以便在选择的所述配置模式对应的传输通道接收所述发送设备发送的网络管理信息;在所述发送设备发送的数据流中查找FlexE帧,在查找到所述FlexE帧的情况下,在所述FlexE帧中提取所述网络管理信息,并将提取出的所述网络管理信息输入到选择的所述配置模式对应的传输通道中,以便在选择的所述配置模式对应的传输通道接收所述发送设备发送的网络管理信息。
- 如权利要求27-29中任一项所述的接收设备,其中,所述FlexE帧为开销帧。
- 一种计算机可读存储介质,存储有计算机程序,所述计算机程序配置成执行权利要求1-10中任一项所述的方法。
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EP3605881A1 (en) | 2020-02-05 |
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CN108631873A (zh) | 2018-10-09 |
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