CN109257264B - System and method for opening Ethernet virtual private network service - Google Patents

System and method for opening Ethernet virtual private network service Download PDF

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CN109257264B
CN109257264B CN201710574124.4A CN201710574124A CN109257264B CN 109257264 B CN109257264 B CN 109257264B CN 201710574124 A CN201710574124 A CN 201710574124A CN 109257264 B CN109257264 B CN 109257264B
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evpn
configuration
vendor
standard
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CN109257264A (en
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林宝洪
陈楠
黄志兰
樊勇兵
马卫民
吴林泽
金华敏
陈天
刘艺
何晓武
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China Telecom Corp Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46Interconnection of networks
    • H04L12/4641Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0803Configuration setting

Abstract

The invention discloses a system and a method for opening Ethernet virtual private network EVPN service, relating to the technical field of software defined networks. The system comprises the following components: the database is used for storing the mapping relation between the manufacturer identification and the manufacturer adapter, the mapping relation between the manufacturer identification and the manufacturer configuration protocol and the mapping relation between the manufacturer identification and the information of the manufacturer controller; the EVPN standard parameter model is used for packaging the EVPN standard configuration parameters input by the user and then sending the packaged EVPN standard configuration parameters to the corresponding manufacturer adapter; the manufacturer adapter is used for converting the encapsulated EVPN standard configuration parameters into manufacturer configuration information according to a corresponding manufacturer configuration protocol and sending the manufacturer configuration information to the EVPN configuration tool; an EVPN configuration tool for sending vendor configuration information to a corresponding vendor controller using corresponding vendor controller information. Therefore, the EVPN service is automatically opened to the equipment of different manufacturers.

Description

System and method for opening Ethernet virtual private network service
Technical Field
The invention relates to the technical field of big data, in particular to a device system and a method for opening EVPN service.
Background
With the continuous development and maturity of SDN (Software Defined Network) technology, more and more enterprises adopt Overlay SDN based on VXLAN (Virtual Extensible LAN) as a basic technology for constructing a data center Network, so as to meet increasingly flexible and complex Network requirements. Due to the difference of basic equipment, SDN schemes of different manufacturers are different, and the interconnection of the SDN schemes of different manufacturers has a problem.
EVPN (Ethernet Virtual Private Network) is a multi-Protocol address mapping standard, and BGP (Border Gateway Protocol) is used as a routing Protocol, which can be used as a control plane of VXLAN. Network interconnection among data centers can be realized through EVPN, and multi-vendor intercommunication is allowed. However, the configuration of EVPN varies from manufacturer to manufacturer, and fig. 1 shows a schematic diagram of a conventional scheme in which a user as an operation and maintenance person logs in a controller or a gateway device of each manufacturer to perform EVPN configuration. In addition, EVPN configuration modes of manufacturers are different, manual operation is usually required by operation and maintenance personnel in the configuration process, the operation and maintenance personnel need to master different configuration commands, different instructions are applied to different devices, and the uniformity and the flexibility are lacked.
Disclosure of Invention
The invention solves the technical problem of how to automatically open EVPN service to equipment of different manufacturers.
According to an aspect of an embodiment of the present invention, there is provided a system for opening an ethernet virtual private network EVPN service, including: the database is used for storing the mapping relation between the manufacturer identification and the manufacturer adapter, the mapping relation between the manufacturer identification and the manufacturer configuration protocol and the mapping relation between the manufacturer identification and the information of the manufacturer controller; the EVPN standard parameter model is used for determining a manufacturer adapter corresponding to a manufacturer identification input by a user according to a mapping relation between the manufacturer identification and the manufacturer adapter, and packaging the EVPN standard configuration parameters input by the user and then sending the packaged EVPN standard configuration parameters to the corresponding manufacturer adapter; the vendor adapter is used for determining a vendor configuration protocol corresponding to the vendor identification input by the user according to the mapping relation between the vendor identification and the vendor configuration protocol, converting the encapsulated EVPN standard configuration parameters into vendor configuration information according to the corresponding vendor configuration protocol, and sending the vendor configuration information to the EVPN configuration tool; and the EVPN configuration tool is used for determining manufacturer controller information corresponding to the manufacturer identification input by the user according to the mapping relation between the manufacturer identification and the manufacturer controller information, and transmitting the manufacturer configuration information to the corresponding manufacturer controller by using the corresponding manufacturer controller information so as to open the EVPN service.
In one embodiment, the vendor adapter parses the encapsulated EVPN standard configuration parameters to obtain EVPN standard fields, and converts the parsed EVPN standard fields into vendor configuration information according to a corresponding vendor configuration protocol.
In one embodiment, the EVPN configuration tool determines a vendor configuration protocol corresponding to a vendor identifier input by a user according to a mapping relationship between the vendor identifier and the vendor configuration protocol, determines a corresponding type of client in the EVPN configuration tool according to the corresponding vendor configuration protocol, and sends vendor configuration information to a corresponding vendor controller through the corresponding type of client by using the corresponding vendor configuration protocol.
In one embodiment, the EVPN standard parametric model encapsulates user-entered EVPN configuration parameters through a REST architecture style.
In one embodiment, the EVPN standard parametric model includes vendor common attribute parameters as well as vendor specific attribute parameters.
According to another aspect of the embodiments of the present invention, there is provided a method for opening an ethernet virtual private network EVPN service, including: receiving a manufacturer identification and EVPN standard configuration parameters input by a user; determining a manufacturer adapter corresponding to the manufacturer identification input by the user according to the mapping relation between the manufacturer identification and the manufacturer adapter; encapsulating EVPN standard configuration parameters input by a user by utilizing an EVPN standard parameter model and then transmitting the encapsulated EVPN standard configuration parameters to a corresponding manufacturer adapter; determining a manufacturer configuration protocol corresponding to the manufacturer identification input by the user according to the mapping relation between the manufacturer identification and the manufacturer configuration protocol; converting the encapsulated EVPN standard configuration parameters into manufacturer configuration information by using a manufacturer adapter according to a corresponding manufacturer configuration protocol; sending the vendor configuration information to an EVPN configuration tool; determining manufacturer controller information corresponding to the manufacturer identifier input by the user according to the mapping relation between the manufacturer identifier and the manufacturer controller information; and transmitting the vendor configuration information to the corresponding vendor controller through the EVPN configuration tool by utilizing the corresponding vendor controller information so as to open the EVPN service.
In one embodiment, converting the encapsulated EVPN standard configuration parameters to vendor configuration information using a vendor adapter according to a corresponding vendor configuration protocol comprises: and analyzing the encapsulated EVPN standard configuration parameters by using a manufacturer adapter to obtain an EVPN standard field, and converting the EVPN standard field obtained by analysis into manufacturer configuration information according to a corresponding manufacturer configuration protocol.
In one embodiment, sending vendor configuration information to a corresponding vendor controller via an EVPN configuration tool comprises: and determining the client of the corresponding type in the EVPN configuration tool according to the corresponding vendor configuration protocol, and sending the vendor configuration information to the corresponding vendor controller by using the corresponding vendor configuration protocol through the client of the corresponding type.
In one embodiment, the EVPN standard parametric model encapsulates user-entered EVPN configuration parameters through a REST architecture style.
In one embodiment, the EVPN standard parametric model includes vendor common attribute parameters as well as vendor specific attribute parameters.
According to still another aspect of the embodiments of the present invention, there is provided an apparatus for opening an EVPN service, including: a memory, and a processor coupled to the memory, the processor configured to execute the aforementioned method of provisioning EVPN service based on instructions stored in the memory.
According to yet another aspect of the embodiments of the present invention, there is provided a computer readable storage medium storing computer instructions which, when executed by a processor, implement the aforementioned method of provisioning EVPN service.
The invention can realize automatic opening of EVPN service to equipment of different manufacturers.
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, and 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 these drawings without inventive exercise.
Fig. 1 is a schematic diagram illustrating a conventional scheme in which a user, who is an operation and maintenance person, logs in a controller or a gateway device of each manufacturer to perform EVPN configuration.
Fig. 2 is a schematic structural diagram of a system for opening an EVPN service according to an embodiment of the present invention.
Fig. 3 is a flowchart illustrating a method of provisioning EVPN services according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an apparatus for opening EVPN service according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram illustrating an apparatus for opening EVPN service according to another embodiment 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 patent provides a device and a method for automatically opening EVPN service. Aiming at the operation and maintenance problems brought by different EVPN configuration protocols, configuration parameters, configuration modes and the like when the EVPN configuration needs to be opened on the SDN controllers or gateway equipment of different manufacturers to realize the intercommunication of VXLAN control surfaces when the SDN schemes of different manufacturers are interconnected, a unified EVPN standard parameter model and a configuration adapter are introduced, the automation of the EVPN configuration of different manufacturers is realized, and the operation and maintenance cost is reduced.
A system for opening EVPN service according to an embodiment of the present invention will be described first with reference to fig. 2.
Fig. 2 is a schematic structural diagram of a system for opening an EVPN service according to an embodiment of the present invention. As shown in fig. 2, the system 20 for opening EVPN service of this embodiment includes:
the database 202 is used for storing the mapping relationship between the vendor identifier and the vendor adapter, the mapping relationship between the vendor identifier and the vendor configuration protocol, and the mapping relationship between the vendor identifier and the vendor controller information.
When a vendor controller or gateway device accesses the EVPN platform, the connection type (e.g., representational state transfer REST, network configuration NETCONF, secure shell protocol SSH, remote terminal protocol TELNET, etc.), connection information (e.g., uniform resource locator URL, authentication information, etc.) and a vendor identification ID that uniquely identifies the vendor need to be registered in the database 202 in the EVPN platform. After registration is complete, the EVPN platform can issue EVPN configurations to various vendor controllers or gateway devices.
The EVPN standard parameter model 204 is configured to determine a vendor adapter corresponding to the vendor identifier input by the user according to a mapping relationship between the vendor identifier and the vendor adapter, and encapsulate the EVPN standard configuration parameters input by the user and then send the encapsulated EVPN standard configuration parameters to the corresponding vendor adapter.
The vendor adapter 206 is configured to determine a vendor configuration protocol corresponding to the vendor identifier input by the user according to a mapping relationship between the vendor identifier and the vendor configuration protocol, convert the encapsulated EVPN standard configuration parameters into vendor configuration information according to the corresponding vendor configuration protocol, and send the vendor configuration information to the EVPN configuration tool.
The EVPN configuration tool 208 is configured to determine vendor controller information corresponding to the vendor identifier input by the user according to a mapping relationship between the vendor identifier and the vendor controller information, and send the vendor configuration information to a corresponding vendor controller by using the corresponding vendor controller information to open an EVPN service.
The embodiment provides a system for automatically opening EVPN service, which aims at the problems that EVPN configuration protocols and configuration parameters of data centers of various manufacturers are different, configuration modes are not uniform, operation and maintenance configuration is not flexible, and cost is high. The system integrates an EVPN configuration tool with various configuration protocols and is connected with a manufacturer controller or equipment, a set of uniform EVPN standard parameter model is abstracted, a configuration adapter is introduced for each manufacturer to realize the conversion from the EVPN standard parameter model to the configuration of the manufacturer equipment so as to adapt to the EVPN configuration requirements of multiple manufacturers and can automatically issue the EVPN configuration.
Meanwhile, the embodiment reduces the cost of EVPN configuration, meets the interconnection requirement of data centers among different manufacturers and realizes the automatic centralized management of the EVPN configuration of multiple manufacturers, thereby realizing the automatic opening of EVPN service to equipment of different manufacturers. By uniformly managing the EVPN configuration information and automatically issuing the EVPN configuration information to the controllers of different manufacturers or gateway equipment, the labor cost can be saved, and the error rate can be reduced.
In addition, the embodiment follows the standard EVPN configuration, can adapt to the EVPN data center intercommunication scheme of most manufacturers, and is beneficial to the construction of large-scale data centers.
An EVPN standard parametric model 204 of one embodiment of the present invention is described below.
The EVPN standard parametric model 204 functions to encapsulate EVPN parameters entered by the user. The EVPN parameters may include, for example, a local autonomous system number local _ as, a remote autonomous system number remote _ as, a source IP address source _ IP, a remote IP address remote _ IP, a border gateway protocol identifier bgp _ id, virtual routing forwarding information vrf, EVPN peer information peer-common, reflection client information reflect-client, and the like.
Each vendor configured EVPN complies with EVPN protocol standards. However, there are differences in the understanding of EVPN by each vendor, and thus there are many similar but different attribute fields between EVPN configured by each vendor. For example, manufacturer a configures EVPN parameters by REST:
Figure BDA0001350474740000061
Figure BDA0001350474740000071
for another example, the manufacturer B configures EVPN parameters by TELNET:
Figure BDA0001350474740000072
it can be seen that manufacturers a and B have different EVPN parameters as well as different EVPN encapsulation methods. The common attributes used by the vendor A and the vendor B comprise local _ as, remote _ as, source _ ip and vrf, the vendor A also uses a specific attribute parameter peer-common, and the vendor B also uses a specific attribute parameter reflex-client.
The unified EVPN standard parameter model 204 is a data model obtained by abstracting attribute parameters according to the EVPN protocol. The data model may be set with vendor common attribute parameters and specific attribute parameters required by individual vendors, and the specific attribute parameters may be set in the form of a key-value dictionary set, where key represents a specific parameter name of the specific attribute parameter, and value represents a specific value of the specific attribute parameter (if a vendor to be configured does not need the specific attribute parameter, it may be set to NULL value).
For example, common attribute parameters { as, bgp, router-id, vrf } and specific attribute parameters { peer-common, reflect-client } are set in the EVPN standard parameter model 204. After the operation and maintenance personnel fill in as, bgp and router-id in the common attribute parameters displayed on the operation and maintenance interface and fill in a reflex-client in the specific attribute parameters displayed on the operation and maintenance interface, the operation and maintenance interface can package the EVPN configuration parameters input by the user by using the REST architecture style through the EVPN standard parameter model, and further process the filled attribute parameters into an REST request to be sent to the configuration adapter:
Figure BDA0001350474740000081
in addition, the EVPN standard parametric model 204 may expose a unified api in the north direction for the operation and maintenance personnel to use the interface through the operation and maintenance interface. The operation and maintenance interface can also be used for configuration issuing and system state display of the whole set of system.
In the above embodiment, a unified EVPN standard parameter model and configuration flow are constructed according to the EVPN protocol standard, so that a unified configuration interface is opened for the operation and maintenance personnel and a user interface is provided to support unified configuration of the controllers and devices of different manufacturers, so that the operation and maintenance personnel can perform unified EVPN configuration through the operation and maintenance platform. Meanwhile, the embodiment also realizes abstraction of common attributes and diversified inheritance of vendor-specific attributes according to the EVPN configuration of the industry standard.
The vendor adapter 206 of one embodiment of the present invention is described below.
The configuration protocols supported by the vendor controllers are different, for example, vendor A controller supports the configuration of HTTP protocol, and vendor B gateway device supports the configuration of SSH protocol. In addition, vendors have a different understanding of the protocol, for example, for an autonomous system number, vendor A is defined AS "AS" and vendor B is defined AS "AS-id". However, the EVPN standard parameter model 204 receives configuration parameters of the operation and maintenance personnel through the same api and issues the configuration parameters through the same REST api, so that the configuration protocol needs to be converted and the configuration parameters are translated to the attributes originally supported by the vendor controller.
The vendor adapter 206 may analyze the encapsulated EVPN standard configuration parameters to obtain EVPN standard fields when performing protocol conversion and configuration parameter translation, and convert the EVPN standard fields obtained by the analysis into vendor configuration information according to the corresponding vendor configuration protocol.
For example, the EVPN standard parametric model 204 may find the corresponding vendor adapter based on the vendor ID configured by the user. And after analyzing each configuration parameter field in the message encapsulated by the EVPN standard parameter model, the corresponding manufacturer adapter adds the EVPN standard fields obtained by analysis into the manufacturer configuration parameters. As for the B vendor adapter corresponding to the B vendor ID, as exemplified above, the parsed EVPN standard fields local _ as and source _ ip may be added to the peer _ source _ ip ] as-number [ local _ as ] of the vendor configuration parameters, so as to be sent to the gateway device of the B vendor through the TELNET client, thereby completing the configuration of EVPN.
The key technology in the development of the vendor adapter 206 is the conversion of the configuration protocol. An alternative implementation is to manage the vendor's configuration protocols (e.g., REST, SSH, NETCONF, etc.) through a protocol tool management class.
For example, the manufacturer ID and the corresponding configuration protocol are stored in the configuration file in the form of the configuration file, and the unified registration management and scheduling are performed by the protocol tool management class. The configuration file may be stored in the database 202 of the EVPN platform, and the operation and maintenance personnel may fill in the manufacturer ID when configuring the EVPN on the operation and maintenance management interface, and the system finds out the connection information corresponding to the manufacturer adapter and the manufacturer controller/gateway device according to the manufacturer ID. Then, the vendor adapter 206 may determine the vendor configuration protocol corresponding to the vendor ID input by the user according to the mapping relationship between the vendor ID and the vendor configuration protocol in the database 202 through a mapping method, and convert the encapsulated EVPN standard configuration parameters into vendor configuration information according to the corresponding vendor configuration protocol.
In the above embodiment, the vendor adapter 206 is used to implement the conversion from the REST request to the vendor configuration protocol, and can translate the attribute parameters configured by the user into the attribute fields required by the vendor controller, so that the EVPN configuration tool is used to send the vendor configuration information obtained through the conversion to the vendor controller or the vendor gateway device.
The EVPN configuration tool 208 of one embodiment of the present invention is described below.
For the configuration mode of each manufacturer controller or gateway device, an EVPN configuration tool supporting multiple configuration protocols can be integrated to realize connection with each manufacturer controller or gateway device. To implement the EVPN configuration tool for interfacing with the vendor controllers or gateway devices, an open-source or self-developed connection tool may be used according to the EVPN configuration mode of each vendor, so that each vendor's controller or gateway device interfaces with one southbound client (such as the REST client and the TELNET client in fig. 2). Fig. 2 shows two manufacturer data centers DC, where the data center of manufacturer a uses a controller to implement external intercommunication, and the controller is configured in a REST interface manner; and the data center of the manufacturer B adopts hardware gateway equipment to realize external intercommunication, and a TELNET mode is used for configuring the equipment.
The EVPN configuration tool 208 may be specifically built using various open source software libraries and managed with a unified Manager class. For example, a pair of key-value values is defined in a program configuration file in a database to record a vendor ID and configuration protocols and controller information supported by the vendor, and unified scheduling is performed through a Manager class. Wherein, Key represents manufacturer ID, and value represents configuration protocol and controller information supported by the manufacturer.
When the user issues the configuration, the configuration can be designated to be issued to one or more manufacturer controllers on the operation and maintenance management interface. The EVPN configuration tool 208 finds the corresponding vendor from the issued configuration according to the vendor ID, and further reads the information (e.g., URL, user authentication information, etc.) of the vendor controller and the supported configuration protocol type (e.g., HTTP, NETCONF, REST, SSH, TELNET, etc.) from the configuration file, so that the client connects to the vendor controller or the vendor gateway device and issues the configuration to the vendor controller or the vendor gateway device.
The EVPN configuration tool in the above embodiment may configure the converted vendor parameters to a vendor controller or a vendor gateway device by integrating clients supporting multiple protocols, so as to implement automatic issuing of EVPN configuration.
A flow chart of a method for opening EVPN service according to an embodiment of the present invention is described below with reference to fig. 3.
Fig. 3 is a flowchart illustrating a method of provisioning EVPN services according to an embodiment of the present invention. As shown in fig. 3, the method of opening the EVPN service of this embodiment includes:
step S302, receiving manufacturer identification and EVPN standard configuration parameters input by a user;
step S304, determining a manufacturer adapter corresponding to the manufacturer identification input by the user according to the mapping relation between the manufacturer identification and the manufacturer adapter;
step S306, the EVPN standard configuration parameters input by the user are packaged by the EVPN standard parameter model and then sent to the corresponding manufacturer adapter;
step S308, determining a manufacturer configuration protocol corresponding to the manufacturer identification input by the user according to the mapping relation between the manufacturer identification and the manufacturer configuration protocol;
step S310, converting the encapsulated EVPN standard configuration parameters into manufacturer configuration information by using a manufacturer adapter according to a corresponding manufacturer configuration protocol;
step S312, sending the vendor configuration information to an EVPN configuration tool;
step S314, determining manufacturer controller information corresponding to the manufacturer identifier input by the user according to the mapping relation between the manufacturer identifier and the manufacturer controller information;
step S316, the vendor configuration information is sent to the corresponding vendor controller through the EVPN configuration tool using the corresponding vendor controller information to open the EVPN service.
Aiming at the problems of different EVPN configuration protocols and configuration parameters, non-uniform configuration modes, inflexible operation and maintenance configuration and high cost of the interconnection of data centers of various manufacturers, the embodiment provides the system for automatically opening the EVPN services.
In one embodiment, step S310 specifically includes:
and analyzing the encapsulated EVPN standard configuration parameters by using a manufacturer adapter to obtain an EVPN standard field, and converting the EVPN standard field obtained by analysis into manufacturer configuration information according to a corresponding manufacturer configuration protocol.
In one embodiment, step S316 specifically includes:
and determining the client of the corresponding type in the EVPN configuration tool according to the corresponding vendor configuration protocol, and sending the vendor configuration information to the corresponding vendor controller by using the corresponding vendor configuration protocol through the client of the corresponding type.
In one embodiment, the EVPN standard parametric model encapsulates user-entered EVPN configuration parameters through a REST architecture style.
In one embodiment, the EVPN standard parametric model includes vendor common attribute parameters as well as vendor specific attribute parameters.
The embodiment provides a system for automatically opening EVPN service, which aims at the problems that EVPN configuration protocols and configuration parameters of data centers of various manufacturers are different, configuration modes are not uniform, operation and maintenance configuration is not flexible, and cost is high. The system integrates an EVPN configuration tool with various configuration protocols and is connected with a manufacturer controller or equipment, a set of uniform EVPN standard parameter model is abstracted, a configuration adapter is introduced for each manufacturer to realize the conversion from the EVPN standard parameter model to the configuration of the manufacturer equipment so as to adapt to the EVPN configuration requirements of multiple manufacturers and can automatically issue the EVPN configuration.
Meanwhile, the embodiment reduces the cost of EVPN configuration, meets the interconnection requirement of data centers among different manufacturers and realizes the automatic centralized management of the EVPN configuration of multiple manufacturers, thereby realizing the automatic opening of EVPN service to equipment of different manufacturers. By uniformly managing the EVPN configuration information and automatically issuing the EVPN configuration information to the controllers of different manufacturers or gateway equipment, the labor cost can be saved, and the error rate can be reduced.
In addition, the embodiment follows the standard EVPN configuration, can adapt to the EVPN data center intercommunication scheme of most manufacturers, and is beneficial to the construction of large-scale data centers.
An apparatus for opening EVPN service according to an embodiment of the present invention is described below with reference to fig. 4.
Fig. 4 is a schematic structural diagram of an apparatus for opening EVPN service according to an embodiment of the present invention. As shown in fig. 4, the EVPN service provisioning apparatus 40 of the present embodiment includes:
a memory 410 and a processor 420 coupled to the memory 410, the processor 420 configured to execute a method of provisioning EVPN service in any of the foregoing embodiments based on instructions stored in the memory 410.
Memory 410 may include, for example, system memory, fixed non-volatile storage media, and the like. The system memory stores, for example, an operating system, an application program, a Boot Loader (Boot Loader), and other programs.
Fig. 5 is a schematic structural diagram illustrating an apparatus for opening EVPN service according to another embodiment of the present invention. As shown in fig. 5, the apparatus 50 for opening EVPN service of this embodiment includes: the memory 410 and the processor 420 may further include an input/output interface 530, a network interface 540, a storage interface 550, and the like. These interfaces 530, 540, 550 and the connections between the memory 410 and the processor 420 may be, for example, via a bus 550. The input/output interface 530 provides a connection interface for input/output devices such as a display, a mouse, a keyboard, and a touch screen. The network interface 540 provides a connection interface for various networking devices. The storage interface 550 provides a connection interface for external storage devices such as an SD card and a usb disk.
The present invention also includes a computer readable storage medium having stored thereon computer instructions that, when executed by a processor, implement a method of provisioning EVPN services in any of the foregoing embodiments.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
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 (8)

1. A system for provisioning ethernet virtual private network EVPN services, comprising:
the database is used for storing the mapping relation between the manufacturer identification and the manufacturer adapter, the mapping relation between the manufacturer identification and the manufacturer configuration protocol and the mapping relation between the manufacturer identification and the information of the manufacturer controller;
the EVPN standard parameter model is used for determining a manufacturer adapter corresponding to a manufacturer identification input by a user according to a mapping relation between the manufacturer identification and the manufacturer adapter, and packaging the EVPN standard configuration parameters input by the user and then sending the packaged EVPN standard configuration parameters to the corresponding manufacturer adapter;
the manufacturer adapter is used for analyzing the encapsulated EVPN standard configuration parameters to obtain EVPN standard fields, determining manufacturer configuration protocols corresponding to manufacturer identifications input by a user according to the mapping relation between the manufacturer identifications and the manufacturer configuration protocols, converting the analyzed EVPN standard fields into manufacturer configuration information according to the corresponding manufacturer configuration protocols, and sending the manufacturer configuration information to the EVPN configuration tool;
the EVPN configuration tool is used for determining a manufacturer controller protocol corresponding to a manufacturer identifier input by a user according to a mapping relation between the manufacturer identifier and manufacturer controller information, determining a corresponding type of client in the EVPN configuration tool according to the corresponding manufacturer configuration protocol, and sending the manufacturer configuration information to a corresponding manufacturer controller through the corresponding type of client by using the corresponding manufacturer configuration protocol so as to open the EVPN service.
2. The system of claim 1, wherein the EVPN standard parametric model encapsulates user-entered EVPN configuration parameters by a REST architecture style.
3. The system of claim 1, wherein the EVPN standard parametric model includes vendor common attribute parameters and vendor specific attribute parameters.
4. A method for opening Ethernet virtual private network EVPN service is characterized by comprising the following steps:
receiving a manufacturer identification and EVPN standard configuration parameters input by a user;
determining a manufacturer adapter corresponding to the manufacturer identification input by the user according to the mapping relation between the manufacturer identification and the manufacturer adapter;
encapsulating EVPN standard configuration parameters input by a user by utilizing an EVPN standard parameter model and then transmitting the encapsulated EVPN standard configuration parameters to a corresponding manufacturer adapter;
determining a manufacturer configuration protocol corresponding to the manufacturer identification input by the user according to the mapping relation between the manufacturer identification and the manufacturer configuration protocol;
analyzing the encapsulated EVPN standard configuration parameters by using a manufacturer adapter to obtain an EVPN standard field, and converting the EVPN standard field obtained by analysis into manufacturer configuration information according to a corresponding manufacturer configuration protocol;
sending the vendor configuration information to an EVPN configuration tool;
determining manufacturer controller information corresponding to the manufacturer identifier input by the user according to the mapping relation between the manufacturer identifier and the manufacturer controller information;
and determining the client of the corresponding type in the EVPN configuration tool according to the corresponding vendor configuration protocol by utilizing the corresponding vendor controller information, and sending the vendor configuration information to the corresponding vendor controller by utilizing the corresponding vendor configuration protocol through the client of the corresponding type so as to open the EVPN service.
5. The method of claim 4, wherein the EVPN standard parametric model encapsulates user-entered EVPN configuration parameters by a REST architectural style.
6. The method of claim 4, wherein the EVPN standard parametric model includes vendor common attribute parameters and vendor specific attribute parameters.
7. An apparatus for provisioning EVPN services, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the method of provisioning EVPN services of any of claims 4-6 based on instructions stored in the memory.
8. A computer readable storage medium storing computer instructions which, when executed by a processor, implement the method of provisioning EVPN services of any of claims 4 to 6.
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