CN105656643B - Method and equipment for performing compatible management based on network configuration protocol - Google Patents
Method and equipment for performing compatible management based on network configuration protocol Download PDFInfo
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- CN105656643B CN105656643B CN201410627560.XA CN201410627560A CN105656643B CN 105656643 B CN105656643 B CN 105656643B CN 201410627560 A CN201410627560 A CN 201410627560A CN 105656643 B CN105656643 B CN 105656643B
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
Abstract
The invention discloses a method for carrying out compatible management based on a network configuration protocol (netconf), which comprises the following steps: when establishing connection with network equipment, acquiring equipment characteristic information of the network equipment; and when sending a netconf interface message to the network equipment, processing the netconf interface message according to the acquired equipment characteristic information and the equipment characteristic information carried by each field in the netconf merging interface. The invention also discloses a network management device.
Description
Technical Field
The present invention relates to network management technologies in the field of communications technologies, and in particular, to a method and an apparatus for performing compatible management based on a network configuration protocol.
Background
With the rapid development of Software Defined Networking (SDN), more and more Network devices evolve towards SDN Network architecture. Under the SDN network architecture, a control plane of a network device migrates from a device level to a network management server level, and an interface between the network management server and the network device is defined by a network configuration protocol (netconf); here, the network management server may also be referred to as an SDN server.
The Netconf protocol has a series of advantages, such as strong expansibility, simple communication mechanism, and use of a layered structure, but the Netconf protocol has defects in multi-device and multi-version compatibility management. According to the standard requirement of the Netconf protocol, a receiver (equipment host) of the Netconf protocol can strictly check a received message, if the message received by the receiver (equipment host) contains a field which is not supported by the receiver (equipment host), the receiver (equipment host) can report an error, so that a message initiator (SDN server) needs to identify a Netconf interface definition supported by the receiver (equipment host) and issue a message according to the interface definition supported by the receiver (equipment host), and the SDN server needs to set corresponding interface messages for network equipment of different equipment types and different version models; however, if the SDN server needs to manage a large number of network devices of different device types and different version models, the management complexity, development workload, and maintenance workload of the SDN server are inevitably increased.
Disclosure of Invention
In view of this, embodiments of the present invention are expected to provide a method and a device for performing compatibility management based on a network configuration protocol, which can implement compatibility management of network devices and reduce the complexity of maintenance management.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the embodiment of the invention provides a method for carrying out compatible management based on netconf, which comprises the following steps:
when establishing connection with network equipment, acquiring equipment characteristic information of the network equipment;
and when sending the netconf interface message to the network equipment, processing the netconf interface message according to the acquired equipment characteristic information and the equipment characteristic information carried by each field in the netconf merging interface.
In the above scheme, the method further comprises:
receiving netconf interfaces of each network device, merging the netconf interfaces of each network device according to a compatibility merging rule, and obtaining and storing a netconf merging interface in advance; each field in the netconf merging interface carries the device characteristic information of all the network devices supporting the field, and the device characteristic information of each network device is different.
In the above scheme, the method further comprises:
and when receiving the updated netconf interface of the network equipment, updating the netconf merging interface according to the updated netconf interface.
In the above scheme, the device feature information includes a device type, a version model, and version update time.
In the foregoing solution, the processing the netconf interface packet according to the acquired device characteristic information and the device characteristic information carried in each field of the netconf merged interface includes:
inquiring the device characteristic information carried by each field in the netconf merging interface according to the obtained device type, version model and version updating time;
if the acquired device type and version type are inquired from the device feature information carried by each field, and the acquired version update time is later than or equal to the corresponding version update time, not performing any operation on the corresponding field in the netconf interface message;
and if the acquired device type and version type are not inquired in the device characteristic information carried by each field, or the acquired version updating time is earlier than the corresponding version updating time, deleting the corresponding field in the netconf interface message.
According to the foregoing method, an embodiment of the present invention provides a network management device, including: the device comprises an acquisition module and a processing module; wherein the content of the first and second substances,
the acquisition module is used for acquiring the equipment characteristic information of the network equipment when the connection with the network equipment is established;
and the processing module is used for processing the netconf interface message according to the acquired device characteristic information and the device characteristic information carried by each field in the netconf combined interface when the netconf interface message is sent to the network device.
In the above scheme, the network management device further includes a merging storage module, configured to receive the netconf interfaces of the network devices, merge the netconf interfaces of the network devices according to a compatibility merging rule, obtain and store a netconf merging interface in advance; each field in the netconf merging interface carries the device characteristic information of all the network devices supporting the field, and the device characteristic information of each network device is different.
In the foregoing solution, the network management device further includes an updating module, configured to update the netconf merging interface according to the updated netconf interface when receiving the updated netconf interface of the network device.
According to the foregoing method, an embodiment of the present invention further provides a network management device, where the network management device includes: a first processor, a second processor; wherein the content of the first and second substances,
the first processor is used for acquiring the device characteristic information of the network device when the first processor establishes connection with the network device;
and the second processor is configured to, when sending a netconf interface message to the network device, process the netconf interface message according to the acquired device characteristic information and the device characteristic information carried in each field of the netconf merging interface.
In the foregoing solution, the network management device further includes:
the third processor is used for receiving the netconf interfaces of the network devices, merging the netconf interfaces of the network devices according to a compatibility merging rule, and obtaining a netconf merging interface in advance; each field in the netconf merging interface carries the device characteristic information of all network devices supporting the field, and the device characteristic information of each network device is different;
a memory for storing a netconf merge interface.
In the foregoing solution, the network management device further includes:
and the fourth processor is used for updating the netconf merging interface according to the updated netconf interface when the updated netconf interface of the network equipment is received.
According to the method and the device for performing compatible management based on the network configuration protocol, when the connection is established with the network device, the device characteristic information of the network device is obtained; when sending a netconf interface message to a network device, processing the netconf interface message according to the acquired device characteristic information and the device characteristic information carried by each field in the netconf merging interface; thus, the embodiment of the present invention determines the field supported by the current network device in the netconf interface message according to the acquired device feature information and the device feature information carried by each field in the netconf combined interface, which not only can meet the requirements of various network devices to implement compatible management of the network devices, but also can perform corresponding processing on the netconf interface message according to the field supported by the current network device, and further can delete and send the field not supported by the current network device in the netconf interface message, thereby enabling the network management device to implement unified management and reducing the complexity of maintenance and management.
Drawings
FIG. 1 is a schematic diagram illustrating an implementation flow of a method for performing compatibility management based on a network configuration protocol according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a network management device according to an embodiment of the present invention;
fig. 3 is a hardware configuration diagram of a network management device according to an embodiment of the present invention.
Detailed Description
In the embodiment of the invention, when the connection with the network equipment is established, the equipment characteristic information of the network equipment is obtained; when sending a netconf interface message to a network device, processing the netconf interface message according to the acquired device characteristic information and the device characteristic information carried by each field in the netconf merging interface; and then, sending the processed netconf interface message to the network equipment.
Further, the implementation scheme of the embodiment of the invention further comprises: receiving netconf interfaces of each network device, merging the netconf interfaces of each network device according to a compatibility merging rule, and obtaining and storing a netconf merging interface in advance; each field in the netconf merging interface carries the device characteristic information of all the network devices supporting the field, and the device characteristic information of each network device is different.
The following further describes embodiments of the present invention with reference to the drawings.
An embodiment of the present invention provides a method for performing compatibility management based on a network configuration protocol, and as shown in fig. 1, the method includes:
step S101: when the network management equipment establishes connection with the network equipment, the equipment characteristic information of the network equipment is obtained.
Before this step is performed, the method further comprises:
step S100: the network management equipment receives the netconf interfaces sent by the network equipment, merges the netconf interfaces of the network equipment according to a compatibility merging rule, and obtains and stores the netconf merging interfaces in advance; each field in the netconf merging interface carries the device characteristic information of all the network devices supporting the field, and the device characteristic information of each network device is different.
Here, each netconf interface formulation manufacturer defines the netconf interface of each network device according to the netconf protocol standard, and sends the defined netconf interface to the network management device; specifically, device feature information is added to each field in a defined netconf interface; the device feature information includes information such as a device type, a version model, version update time, and the like, where the version update time may be represented by a timestamp, and the timestamp is a feature code used for uniquely identifying a precedence order, and may be a feature code of a year, month, and day, such as 2014-01-15, or may be an increasing number or other feature codes that may represent a precedence order; typically, the defined netconf interface is stored and transmitted in the form of a yang file.
Specifically, after receiving the netconf interfaces sent by all the network devices, the network management device merges the netconf interfaces of all the network devices according to the compatibility merging rule by using a netconf interface merging Tool, Merge the netconf interfaces of all the network devices according to the compatibility merging rule, obtain and store the netconf merging interfaces, and the specific implementation manner is as follows:
specifically, a netconf interface of a first network device (device type 1, version update time 1) and a netconf interface of a second network device (device type 2, version update time 2) are predefined as netconf interfaces to be merged; wherein, the interface-name field in the netconf interface of the first network device is defined as follows:
then, merging the input netconf interfaces to be merged according to a compatibility merging rule by a netconf interface merging Tool Merge Yang Tool to obtain a netconf merging interface; wherein, the interface-name field in the netconf merging interface is defined as follows:
in the interface-name field definition in the netconf merging interface, the device feature information of all network devices supporting the field is added in a manner of adding a field attribute, and the attribute name can be customized according to requirements, for example, the attribute name in the field is defined as device-available.
Here, the netconf interface merging Tool Merge Tool reads the netconf interfaces of the plurality of network devices, analyzes the syntax of the netconf interfaces, returns the corresponding netconf interfaces to the netconf interface making manufacturer if the netconf interface definition which does not conform to the syntax is found, requires the netconf interface making manufacturer to modify the netconf interface definition, and gives corresponding error prompts; and if the netconf interface definition which does not conform to the grammar regulation is not found, merging according to the compatibility merging rule.
It should be noted that, the input of the netconf interface merging Tool Merge Tool large Yang Tool is a plurality of parallel directories, the names of the directories are names of corresponding network devices, a Yang file of the netconf interface defined by one corresponding network device under each directory is merged to obtain a netconf merging interface, and the merged netconf merging interface is stored in one Yang file.
In general, the compatibility merge rule is set to: the fields defined by the same in netconf interfaces of a plurality of network devices are merged, and the device feature information of all the network devices supporting the fields is added in the merged fields.
Further, if the netconf interface definition is updated by the manufacturer of the netconf interface, for example, a new field is added to the netconf interface or the original field is updated, and corresponding device feature information is added to the field; then, the updated netconf interface is sent to the network management device; and when the network management equipment receives the updated netconf interface, updating the netconf merging interface according to the updated netconf interface.
Step S102: and when sending a netconf interface message to the network equipment, processing the netconf interface message according to the acquired equipment characteristic information and the equipment characteristic information carried by each field in the netconf merging interface.
Here, the netconf interface message is a netconf interface setting defined by a manufacturer according to the netconf interface.
Here, when the network management device establishes a connection with a network device, in a netconf-based capability exchange process, obtaining device feature information of the network device, where the device feature information includes information such as a device type, a version model, and version update time;
when sending a netconf interface message to the network device, processing the netconf interface message according to the acquired device characteristic information and the device characteristic information carried by each field in the netconf merging interface, wherein the specific implementation mode is as follows:
inquiring the device characteristic information carried by each field in the netconf merging interface according to the obtained device type, version model and version updating time;
if the acquired device type and version type are inquired from the device feature information carried by each field, and the acquired version update time is later than or equal to the corresponding version update time, performing no operation on the corresponding field in the netconf interface message;
and if the acquired device type and version type are not inquired in the device characteristic information carried by each field, or the acquired version updating time is earlier than the corresponding version updating time, deleting the corresponding field in the netconf interface message.
Specifically, it is assumed that the acquired device feature information is: device type 1, version update time 3; correspondingly, the device feature information list corresponding to a certain field in the netconf merging interface is' device type 1, version update time 1; device type 2, version update time 2 ";
firstly, according to the acquired device type 1 and version type 1, inquiring a device characteristic information list 'device type 1, version type 1 and version updating time 1' corresponding to the field; device type 2, version update time 2 "; at this time, a group of matching information (equipment type 1, version update time 1) is inquired; then, comparing the version update time 3 with the corresponding version update time 1 in the matching information, and if the version update time 3 is later than or equal to the corresponding version update time 1, not performing any operation on the field in the netconf interface message; if the version update time 3 is earlier than the corresponding version update time 1, this field is deleted from the netconf interface message.
It should be noted that, if the obtained version update time is later than or equal to the corresponding version update time, it is indicated that the corresponding field in the netconf interface message is defined before the version model of the network device is released, and therefore, the network device supports the field without performing any operation on the corresponding field in the netconf interface message; if the obtained version update time is earlier than the corresponding version update time, it indicates that the corresponding field in the netconf interface message is defined after the version model of the network device is released, and therefore, the network device does not support the field and needs to delete the corresponding field in the netconf interface message.
Further, the method further comprises:
step S103: and sending the processed netconf interface message to the network equipment.
In order to more clearly illustrate the embodiments of the present invention, the data exchange flow in the embodiments of the present invention is described in detail below with specific embodiments.
Example one
The method for acquiring the device characteristic information of the network device when the network device is connected comprises the following steps: the equipment type is 15K, the version model is 1.00, and the version updating time is 2014-01-15; correspondingly, the equipment feature information list corresponding to the interface-name field in the netconf merging interface is' 15K, 1.00, 2014-01-12; 15K, 2.00, 2014-03-21 ";
according to the acquired device characteristic information and a device characteristic information list corresponding to the interface-name field in the netconf merging interface, the netconf interface message is processed as follows:
inquiring a device characteristic information list' 15K, 1.00, 2014-01-12 corresponding to the interface-name field according to the device type 15K and the version model 1.00; 15K, 2.00, 2014-03-21 ";
a group of matching information (15K, 1.00, 2014-01-12) is inquired; then, the version update time 2014-01-15 is compared with the corresponding version update time 2014-01-12 in the matching information, and obviously, the version update time 2014-01-15 is later than the corresponding version update time 2014-01-12 in the matching information, so that the network device supports the interface-name field, and at this time, no operation is required to be performed on the interface-name field in the netconf interface message.
In order to implement the foregoing method, an embodiment of the present invention further provides a network management device, and because the principle of the network management device for solving the problem is similar to that of the method, the implementation process and the implementation principle of the network management device can be described with reference to the implementation process and the implementation principle of the foregoing method, and repeated details are not described again.
As shown in fig. 2, a network management device provided in an embodiment of the present invention includes: an acquisition module 200 and a processing module 201; wherein the content of the first and second substances,
the obtaining module 200 is configured to obtain device feature information of a network device when establishing a connection with the network device;
the processing module 201 is configured to, when sending a netconf interface message to a network device, process the netconf interface message according to the acquired device characteristic information and the device characteristic information carried in each field of the netconf merging interface;
the device feature information comprises a device type, a version model and version updating time.
For convenience of description, each part of the above-described network management apparatus is separately described by dividing functions into various modules or units. The above division manner of the functional units or modules is only one preferred implementation manner given in the embodiment of the present invention, and the division manner of the functional units or modules does not limit the present invention.
In a specific implementation, the network management device further includes a merging storage module 202, configured to receive the netconf interfaces of the network devices, merge the netconf interfaces of the network devices according to a compatibility merging rule, obtain and store a netconf merging interface in advance; each field in the netconf merging interface carries the device characteristic information of all the network devices supporting the field, and the device characteristic information of each network device is different.
In a specific implementation, the network management device further includes an updating module 203, configured to update the netconf merging interface according to the updated netconf interface when receiving the updated netconf interface of the network device.
In practical applications, the obtaining module 200, the processing module 201, the combining and storing module 202, and the updating module 203 may be implemented by a Central Processing Unit (CPU), a microprocessor unit (MPU), a Digital Signal Processor (DSP), or a Field Programmable Gate Array (FPGA) located in a network management device.
Based on the same technical concept, the following description will be given of the structure and function of the network management device according to the embodiments of the present invention with reference to a specific example, and the principle and method for solving the problem of the network management device are similar to those described above, and repeated details are omitted.
As shown in fig. 3, the mobile terminal includes: a first processor 300, a second processor 301; wherein the content of the first and second substances,
the first processor 300 is configured to acquire device feature information of a network device when establishing a connection with the network device;
the second processor 301 is configured to, when sending a netconf interface packet to a network device, process the netconf interface packet according to the acquired device characteristic information and the device characteristic information carried in each field of the netconf merging interface.
In a specific implementation, the network management device further includes a third processor 302, configured to receive the netconf interfaces of the network devices, merge the netconf interfaces of the network devices according to a compatibility merge rule, and obtain a netconf merge interface in advance; each field in the netconf merging interface carries the device characteristic information of all network devices supporting the field, and the device characteristic information of each network device is different;
a memory 303 for storing the netconf merge interface.
In a specific implementation, the network management device further includes a fourth processor 304, configured to update the netconf merging interface according to the updated netconf interface when receiving the updated netconf interface of the network device.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (11)
1. A method for compatibility management based on a network configuration protocol, the method comprising:
receiving netconf interfaces of each network device, merging the netconf interfaces of each network device according to a compatibility merging rule, and obtaining and storing a netconf merging interface in advance;
when establishing connection with network equipment, acquiring equipment characteristic information of the network equipment;
when sending a netconf interface message to the network device, processing the netconf interface message according to the acquired device characteristic information and the device characteristic information carried by each field in the netconf merging interface;
each field in the netconf merging interface carries the device feature information of all network devices supporting the field.
2. The method of claim 1, wherein the device characteristic information of each network device is different.
3. The method for compatibility management based on network configuration protocol according to claim 2, wherein said method further comprises:
and when receiving the updated netconf interface of the network equipment, updating the netconf merging interface according to the updated netconf interface.
4. The method for compatibility management based on network configuration protocol according to any of claims 1 to 3, wherein the device feature information comprises device type, version model and version update time.
5. The method according to claim 4, wherein the processing the netconf interface packet according to the acquired device feature information and the device feature information carried by each field in the netconf merging interface includes:
inquiring the device characteristic information carried by each field in the netconf merging interface according to the obtained device type, version model and version updating time;
if the acquired device type and version type are inquired from the device feature information carried by each field, and the acquired version update time is later than or equal to the corresponding version update time, not performing any operation on the corresponding field in the netconf interface message;
and if the acquired device type and version type are not inquired in the device characteristic information carried by each field, or the acquired version updating time is earlier than the corresponding version updating time, deleting the corresponding field in the netconf interface message.
6. A network management device, characterized in that the network management device comprises: the device comprises an acquisition module, a processing module and a merging storage module; wherein the content of the first and second substances,
the acquisition module is used for acquiring the equipment characteristic information of the network equipment when the connection with the network equipment is established;
the processing module is used for processing the netconf interface message according to the acquired device characteristic information and the device characteristic information carried by each field in the netconf merging interface when the netconf interface message is sent to the network device;
the merging storage module is used for receiving the netconf interfaces of the network devices, merging the netconf interfaces of the network devices according to a compatibility merging rule, and obtaining and storing the netconf merging interfaces in advance;
each field in the netconf merging interface carries the device feature information of all network devices supporting the field.
7. The network management device according to claim 6, wherein the device characteristic information of the respective network devices is different.
8. The network management device according to claim 6 or 7, characterized in that the network management device further comprises:
and the updating module is used for updating the netconf merging interface according to the updated netconf interface when the updated netconf interface of the network equipment is received.
9. A network management device, characterized in that the network management device comprises: a first processor, a second processor, a third processor; wherein the content of the first and second substances,
the first processor is used for acquiring the device characteristic information of the network device when the first processor establishes connection with the network device;
the second processor is configured to, when sending a netconf interface message to a network device, process the netconf interface message according to the acquired device characteristic information and the device characteristic information carried in each field of the netconf merging interface;
the third processor is configured to receive the netconf interfaces of the network devices, merge the netconf interfaces of the network devices according to the compatibility merging rule, and obtain a netconf merging interface in advance;
each field in the netconf merging interface carries the device characteristic information of all the network devices supporting the field, and the device characteristic information of each network device is different.
10. The network management device according to claim 9, wherein the network management device further comprises:
a memory for storing a netconf merge interface.
11. The network management device according to claim 9 or 10, characterized in that the network management device further comprises:
and the fourth processor is used for updating the netconf merging interface according to the updated netconf interface when the updated netconf interface of the network equipment is received.
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| CN201410627560.XA CN105656643B (en) | 2014-11-10 | 2014-11-10 | Method and equipment for performing compatible management based on network configuration protocol |
| PCT/CN2015/075109 WO2016074412A1 (en) | 2014-11-10 | 2015-03-26 | Compatibility administration method based on network configuration protocol, storage medium and device |
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| CN201410627560.XA CN105656643B (en) | 2014-11-10 | 2014-11-10 | Method and equipment for performing compatible management based on network configuration protocol |
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| CN107391047B (en) * | 2017-08-02 | 2021-05-28 | 郑州云海信息技术有限公司 | Method and device for managing storage system |
| CN113328896B (en) * | 2021-07-01 | 2022-05-27 | 中国建设银行股份有限公司 | Configuration method of network equipment and related device |
| CN115701042A (en) * | 2021-07-29 | 2023-02-07 | 华为技术有限公司 | Method, device, system and computer readable storage medium for updating configuration |
| CN114500299A (en) * | 2022-02-14 | 2022-05-13 | 北京华环电子股份有限公司 | Software defined network control method and system for optical transport network equipment |
| CN114205205A (en) * | 2022-02-15 | 2022-03-18 | 北京华环电子股份有限公司 | Southbound interface implementation method and device compatible with different YANG models |
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