CN107872336B - Mounting point identification method and system and identification management equipment - Google Patents
Mounting point identification method and system and identification management equipment Download PDFInfo
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- CN107872336B CN107872336B CN201610851443.0A CN201610851443A CN107872336B CN 107872336 B CN107872336 B CN 107872336B CN 201610851443 A CN201610851443 A CN 201610851443A CN 107872336 B CN107872336 B CN 107872336B
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
Abstract
The invention discloses a mounting point identification method and system and identification management equipment, and relates to the field of computer networks. The mounting point identification method comprises the following steps: the identification management equipment acquires configuration information of the network element protocol instance, wherein the configuration information comprises information of a network element corresponding to the network element protocol instance; the identification management equipment reads the unique identification of the network element stored in the network element; the identification management equipment sends the unique identification of the network element to the controller so that the controller can generate a mounting point corresponding to the network element protocol instance, and the mounting point is identified by adopting the unique identification of the network element. By extracting the unique identifier of the network element stored in the network element and adopting the unique identifier of the network element to uniformly identify different network element protocol instances generated by various protocol abstractions of the network element, the different network element protocol instances generated by the same network element abstractions can be perceived as the same network element, so that the multi-protocol operation on the same network element is realized, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the field of computer networks, in particular to a mounting point identification method and system and identification management equipment.
Background
Currently, in a model driven service abstraction layer of an open source SDN (Software Defined Network) controller, all Network elements are abstracted into a model related to the Network element's protocol and mounted onto a Network topology tree and identified by a user-specified instance identifier. The northbound application of the controller platform utilizes the instance identifier to indirectly operate the network element through data read and write transactions provided by the model driven service abstraction layer.
As shown in fig. 1. The network element a in fig. 1 has BGP (Border Gateway Protocol), NETCONF (network configuration) Protocol, and Openflow Protocol. A network topology tree of the controller is provided with three protocol topology trees of BGP, NETCONF and Openflow. And the network element A abstractly generates three mounting points of an example 1, an example 2 and an example 3 corresponding to BGP, NETCONF and Openflow protocols. Since the user cannot know to which network element these instances are for, instance 1, instance 2 and instance 3 would be assigned different instance identifiers, e.g. 111, 222 and 333, respectively, and marked in the network topology tree of the controller.
When the method provided by the prior art is used, the network elements with multiple interface protocols are abstracted into multiple different mount points in the controller, that is, the controller cannot perceive the instances abstracted by different protocols of the same network element as the same network element. And, when the northbound application performs multiprotocol operation on the network element, it needs to use multiple instance identifiers under the same network element to be able to perform the operation. In addition, since the mounting points are distributed on different protocol topology trees, a uniform network topology cannot be formed according to the non-unique instance identifiers.
Disclosure of Invention
The embodiment of the invention aims to solve the technical problem that: how to improve the operating efficiency of carrying out multi-protocol operation on the same network element.
According to a first aspect of the embodiments of the present invention, there is provided a mounting point identification method, including: the identification management equipment acquires configuration information of the network element protocol instance, wherein the configuration information comprises information of a network element corresponding to the network element protocol instance; the identification management equipment reads the unique identification of the network element stored in the network element; the identification management equipment sends the unique identification of the network element to the controller so that the controller can generate a mounting point corresponding to the network element protocol instance, and the mounting point is identified by adopting the unique identification of the network element.
In one embodiment, the reading, by the identifier management device, the network element unique identifier stored in the network element includes: the identification management equipment checks whether the network element stores the unique identification of the network element; if the network element stores the unique identifier of the network element, the identifier management equipment reads the unique identifier of the network element; and if the network element does not store the unique network element identifier, the identifier management equipment generates the unique network element identifier of the network element and stores the generated unique network element identifier in the network element.
In one embodiment, the generating, by the identifier management device, the network element unique identifier of the network element includes: and the identification management equipment generates a unique identification of the network element according to the equipment identification of the network element, the current time information and the combination result of the clock sequence.
In one embodiment, the network element unique identifier is a universal unique identifier and/or the controller is an openpayload controller.
In one embodiment, the obtaining, by the identifier management device, the configuration information of the network element protocol instance includes: the identification management equipment receives configuration information of the network element protocol instance read from the controller by the northbound application, and the configuration information also comprises the protocol type and/or mounting position information of the network element protocol instance; the step of sending the unique identifier of the network element to the controller by the identifier management device comprises the following steps: the identification management equipment sends the unique identification of the network element and the configuration information to the controller, so that the controller generates mounting points at the mounting positions corresponding to the protocol topology tree corresponding to the protocol type or the mounting position information, and the unique identification of the network element is adopted to identify the mounting points.
According to a second aspect of the embodiments of the present invention, there is provided an identifier management apparatus, including: the configuration information acquisition module is used for acquiring configuration information of the network element protocol instance, wherein the configuration information comprises information of a network element corresponding to the network element protocol instance; the network element unique identifier reading module is used for reading the network element unique identifier stored in the network element; and the network element unique identifier sending module is used for sending the network element unique identifier to the controller so that the controller can generate the mounting point corresponding to the network element protocol instance, and the mounting point is identified by adopting the network element unique identifier.
In one embodiment, the network element unique identifier reading module includes: the identification checking unit is used for checking whether the network element stores the unique identification of the network element; the identification reading unit is used for reading the unique identification of the network element when the unique identification of the network element is stored in the network element; and the identification generating unit is used for generating the unique network element identification of the network element when the unique network element identification is not stored in the network element and storing the generated unique network element identification in the network element.
In an embodiment, the identifier generating unit is further configured to generate the unique identifier of the network element according to a combination result of the device identifier of the network element, the current time information, and the clock sequence.
In one embodiment, the network element unique identifier is a universal unique identifier and/or the controller is an openpayload controller.
In one embodiment, the configuration information obtaining module is further configured to receive configuration information of a network element protocol instance read from the controller by the northbound application, where the configuration information further includes a protocol type and/or mounting position information of the network element protocol instance; the network element unique identifier sending module is further used for sending the network element unique identifier and the configuration information to the controller, so that the controller generates mounting points at the mounting positions corresponding to the protocol topology tree or the mounting position information corresponding to the protocol types, and the mounting points are identified by adopting the network element unique identifier.
According to a third aspect of the embodiments of the present invention, there is provided a mounting point identification system, including: the identifier management device comprises any identifier management device and a controller, wherein the controller is used for generating a mounting point corresponding to a network element protocol instance and identifying the mounting point by adopting a network element unique identifier sent by the management device.
The unique network element identification stored in the network element is extracted, and the unique network element identification is adopted to carry out uniform identification on different network element protocol instances generated by various protocol abstractions of the network element, so that the different network element protocol instances generated by the same network element abstractions can be perceived as the same network element, the multi-protocol operation on the same network element is realized, and the operation efficiency is improved.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating an application of a mount point identification method in the prior art.
Fig. 2 is a flowchart of an embodiment of a mount point identification method according to the present invention.
Fig. 3 is a schematic diagram of an application of the mounting point identification method of the present invention.
Fig. 4 is a flowchart of another embodiment of a mounting point identification method of the present invention.
Fig. 5 is a block diagram of one embodiment of a mounting point identification system of the present invention.
Fig. 6 is a block diagram of an embodiment of an identification management device of the present invention.
Fig. 7 is a block diagram of another embodiment of the identification management device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The mounting point identification method of one embodiment of the present invention is described below with reference to fig. 2.
Fig. 2 is a flowchart of an embodiment of a mount point identification method according to the present invention. As shown in fig. 1, the method of this embodiment includes:
step S202, the identifier management device obtains the configuration information of the network element protocol instance, wherein the configuration information comprises the information of the network element corresponding to the network element protocol instance.
The network element protocol instance refers to an instance abstracted by the network element according to different protocols carried by the network element, namely, a mounting point formed by the network element under different protocols.
The identifier management device may, for example, read configuration information of a network element protocol instance from a configuration file of each network element stored in a controller, where the configuration information may indicate which network element the instance is abstracted from, and provide path information, interface information, and the like of the network element for accessing the network element.
In addition, the configuration information may also include the protocol type of the network element protocol instance, the mounting location information, and other contents.
Wherein the mount behavior may be initiated by a northbound application of the controller. Therefore, the identification management device can receive the configuration information of the network element protocol instance read by the northbound application from the controller, and is convenient to respond to the northbound application to control and operate the network element.
Step S204, the identification management device reads the unique identification of the network element stored in the network element.
The unique identifier of the network element refers to an identifier for distinguishing different network elements in the same network system. The Identifier may be, for example, a UUID (universal Unique Identifier). In addition, the identifier may also be other types of identifiers, or an identifier assigned according to a preset rule in a network system in which the network element is located.
The unique identifier of the network element is stored in each network element so as to be convenient for reading by various applications, services and equipment. The network element may provide a read interface for the identifier management device, and the identifier management device may call the read interface to read the unique identifier of the network element.
Besides the unique identifier of the network element, the identifier management device may also read configuration information of the network element from the network element, where the configuration information includes information such as a protocol and a mounting position carried by the network element. This information may be read from the network element or may be obtained from configuration information stored by the controller as described in step S202.
Step S206, the identifier management device sends the unique identifier of the network element to the controller, so that the controller generates a mounting point corresponding to the network element protocol instance, and identifies the mounting point by using the unique identifier of the network element.
The controller may be an opendataright controller.
The controller can generate mounting points at the protocol topology tree corresponding to the protocol type or at the mounting position corresponding to the mounting position information.
The controller needs to specify an instance identifier of the network element protocol instance when performing the mount operation. In the invention, the network element unique identifier obtained by the identifier management device is used as an example identifier.
As shown in fig. 3, the network element a in fig. 3 has BGP (Border Gateway Protocol), NETCONF (network configuration) Protocol, and Openflow Protocol. A network topology tree of the controller is provided with three protocol topology trees of BGP, NETCONF and Openflow. And the network element A abstractly generates an example 1, an example 2 and an example 3 corresponding to BGP, NETCONF and Openflow protocols. The identifier management device reads that the unique identifier of the network element a is 123 in the network element a, and then the instance 1, the instance 2, and the instance 3 are all identified by 123 in the network topology tree.
By extracting the unique identifier of the network element stored in the network element and adopting the unique identifier of the network element to uniformly identify different network element protocol instances generated by various protocol abstractions of the network element, the different network element protocol instances generated by the same network element abstractions can be perceived as the same network element, so that the multi-protocol operation on the same network element is realized, and the operation efficiency is improved.
The network element may store its own unique identifier in advance. However, it is likely that some network elements that have just joined the system, or irregular network elements, do not maintain a network element unique identifier. For this case, the present invention may also generate a network element unique identifier for the network element and store it in the corresponding network element. A mounting point identification method of another embodiment of the present invention is described below with reference to fig. 4.
Fig. 4 is a flowchart of another embodiment of a mounting point identification method of the present invention. As shown in fig. 4, the method of this embodiment includes:
step S402, the identification management device obtains the configuration information of the network element protocol instance, wherein the configuration information comprises the information of the network element corresponding to the network element protocol instance.
Step S404, the identifier management device checks whether the network element stores the unique identifier of the network element.
Step S406, if the unique identifier of the network element is stored in the network element, the identifier management device reads the unique identifier of the network element.
Step S408, if the network element does not store the unique identifier of the network element, the identifier management device generates a unique identifier of the network element, and stores the generated unique identifier of the network element in the network element.
The identifier management device may combine some attributes and state information of the network element according to a preset rule to generate a unique identifier of the network element.
For example, the identifier management device generates the unique identifier of the network element according to the combined result of the device identifier of the network element, the current time information, and the clock sequence. Therefore, the generated unique identifier of the network element can be ensured to uniquely position the network element in the system.
In addition, when the unique identifier of the network element is an existing device identifier such as a UUID, the unique identifier of the network element may also be generated for the network element according to an existing identifier generation method, which is not described herein again.
Step S410, the identifier management device sends the unique identifier of the network element to the controller, so that the controller generates a mounting point corresponding to the network element protocol instance, and identifies the mounting point by using the unique identifier of the network element.
By adopting the method, the unique identifier of the network element can be generated for the network element under the condition that the network element does not store the unique identifier of the network element, so that the network element protocol instances corresponding to the network elements called by the controller can be uniformly called by adopting the same identifier.
The mounting point identification system of one embodiment of the present invention is described below with reference to fig. 5.
Fig. 5 is a block diagram of one embodiment of a mounting point identification system of the present invention. As shown in fig. 5, the system of this embodiment includes: a controller 50 and an identification management device 60. And the controller 50, wherein the controller 50 is configured to generate a mounting point corresponding to the network element protocol instance, and identify the mounting point by using the network element unique identifier sent by the management device 60.
The controller 50 may be an Opendaylight controller.
An identification management apparatus of an embodiment of the present invention is described below with reference to fig. 6.
Fig. 6 is a block diagram of an embodiment of an identification management device of the present invention. As shown in fig. 6, the identification management device 60 of this embodiment includes: a configuration information obtaining module 61, configured to obtain configuration information of a network element protocol instance, where the configuration information includes information of a network element corresponding to the network element protocol instance; a network element unique identifier reading module 62, configured to read a network element unique identifier stored in a network element; a network element unique identifier sending module 63, configured to send a network element unique identifier to the controller 50, so that the controller 50 generates a mount point corresponding to a network element protocol instance, and identifies the mount point by using the network element unique identifier.
The unique identifier of the network element may be a universal unique identifier.
The configuration information obtaining module 61 may be further configured to receive configuration information of a network element protocol instance read from the controller 50 by the northbound application, where the configuration information further includes a protocol type and/or mounting position information of the network element protocol instance; the network element unique identifier sending module 63 is further configured to send a network element unique identifier and configuration information to the controller, so that the controller 50 generates a mounting point at a mounting position corresponding to a protocol topology tree corresponding to a protocol type or mounting position information, and identifies the mounting point by using the network element unique identifier.
An identification management apparatus of another embodiment of the present invention is described below with reference to fig. 7.
Fig. 7 is a block diagram of another embodiment of the identification management device of the present invention. As shown in fig. 7, the network element unique identifier reading module 62 of this embodiment includes: an identifier checking unit 722, configured to check whether a unique identifier of the network element is stored in the network element; an identifier reading unit 724, configured to read the unique identifier of the network element when the unique identifier of the network element is stored in the network element; the identifier generating unit 726 is configured to generate a network element unique identifier of the network element when the network element does not store the network element unique identifier in the network element, and store the generated network element unique identifier in the network element.
The identifier generating unit 726 may be further configured to generate a unique identifier of the network element according to a combination result of the device identifier of the network element, the current time information, and the clock sequence.
Furthermore, the method according to the invention may also be implemented as a computer program product comprising a computer readable medium having stored thereon a computer program for performing the above-mentioned functions defined in the method of the invention. Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the disclosure herein may be implemented as electronic hardware, computer software, or combinations of both.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (11)
1. A mounting point identification method is characterized by comprising the following steps:
the method comprises the steps that an identification management device obtains configuration information of a network element protocol instance, wherein the configuration information comprises information of a network element corresponding to the network element protocol instance;
the identification management equipment reads the unique identification of the network element stored in the network element;
and the identifier management equipment sends the unique identifier of the network element to the controller so that the controller generates a mounting point corresponding to the network element protocol instance, and the mounting point is identified by adopting the unique identifier of the network element.
2. The method of claim 1, wherein the reading, by the identifier management device, the network element unique identifier stored in the network element comprises:
the identification management equipment checks whether the network element stores the unique identification of the network element;
if the network element stores the unique identifier of the network element, the identifier management equipment reads the unique identifier of the network element;
and if the network element does not store the unique network element identifier, the identifier management equipment generates the unique network element identifier of the network element and stores the generated unique network element identifier in the network element.
3. The method of claim 2, wherein the generating of the network element unique identifier of the network element by the identifier management device comprises:
and the identification management equipment generates a unique identification of the network element according to the combined result of the equipment identification of the network element, the current time information and the clock sequence.
4. The method according to claim 1, wherein the network element unique identifier is a universally unique identification code, and/or,
the controller is an Openstyle controller.
5. The method of claim 1, wherein the obtaining, by the identity management device, the configuration information of the network element protocol instance comprises:
the identification management equipment receives configuration information of a network element protocol instance read from a controller by a northbound application, wherein the configuration information also comprises the protocol type and/or mounting position information of the network element protocol instance;
the sending, by the identifier management device, the unique identifier of the network element to the controller includes:
and the identifier management device sends the network element unique identifier and the configuration information to the controller, so that the controller generates a mounting point at a protocol topology tree corresponding to the protocol type or a mounting position corresponding to the mounting position information, and the mounting point is identified by adopting the network element unique identifier.
6. An identity management device, comprising:
a configuration information obtaining module, configured to obtain configuration information of a network element protocol instance, where the configuration information includes information of a network element corresponding to the network element protocol instance;
a network element unique identifier reading module, configured to read a network element unique identifier stored in the network element;
and the network element unique identifier sending module is used for sending the network element unique identifier to the controller so that the controller can generate the mounting point corresponding to the network element protocol instance, and the mounting point is identified by adopting the network element unique identifier.
7. The apparatus of claim 6, wherein the network element unique identifier reading module comprises:
the identification checking unit is used for checking whether the network element stores the unique identification of the network element;
an identifier reading unit, configured to read the unique identifier of the network element when the unique identifier of the network element is stored in the network element;
and the identifier generating unit is used for generating the unique identifier of the network element when the unique identifier of the network element is not stored in the network element, and storing the generated unique identifier of the network element in the network element.
8. The device of claim 7, wherein the identifier generating unit is further configured to generate the unique identifier of the network element according to a combination result of the device identifier of the network element, the current time information, and the clock sequence.
9. The apparatus according to claim 6, wherein the network element unique identifier is a universally unique identification code, and/or,
the controller is an Openstyle controller.
10. The apparatus of claim 6,
the configuration information acquisition module is further used for receiving configuration information of a network element protocol instance read from a controller by a northbound application, and the configuration information also comprises the protocol type and/or mounting position information of the network element protocol instance;
the network element unique identifier sending module is further configured to send the network element unique identifier and the configuration information to a controller, so that the controller generates a mounting point in a protocol topology tree corresponding to the protocol type or a mounting position corresponding to the mounting position information, and the mounting point is identified by using the network element unique identifier.
11. A mounting point identification system, comprising:
the identity management device of any of claims 6-10, and,
and the controller is used for generating a mounting point corresponding to the network element protocol instance and identifying the mounting point by adopting the network element unique identifier sent by the management equipment.
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