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Method and system for establishing mpls L2VPN service end-to-end model

A business type and business technology, applied in the communication field, can solve problems such as inconsistent configuration and management interface, difficulty for users to understand and operate, inconsistent description methods, etc., to achieve the effect of easy understanding and mastery, unified style, and good scalability

Active Publication Date: 2021-05-18
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing point-to-point service (E-Line / CES / ATM), multipoint-to-multipoint service (E-LAN) and point-to-multipoint service (E-Tree) models have inconsistent description methods, and the designed configuration and The management interface is inconsistent, making it difficult for users to understand and operate

Method used

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  • Method and system for establishing mpls L2VPN service end-to-end model
  • Method and system for establishing mpls L2VPN service end-to-end model

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Embodiment 1

[0076] see figure 1 As shown, the embodiment of the present invention provides a method for establishing an MPLS L2VPN service end-to-end model, including the following steps:

[0077] S1. Determine the basic attributes of the MPLS L2VPN service and the PE (Provider Edge, operator edge router) node;

[0078] S2. Determine the UNI (User Network Interface, user network interface), PW (Pseudo Wire, pseudowire) of each PE node of the MPLS L2VPN service, and the DNI (Dual Node Interconnection, dual node interconnection) protection group bound to the MPLS L2VPN service information;

[0079] S3, see figure 2 As shown, the establishment of the end-to-end model of the MPLS L2VPN service includes: the basic attributes of the MPLS L2VPN service determined in the previous steps, PE nodes, UNI, PW of each PE node, and DNI protection group information bound to the MPLS L2VPN service , to achieve a unified description of the MPLS L2VPN service model.

[0080] The basic attributes of MPL...

Embodiment 2

[0088] An embodiment of the present invention provides a system for establishing an MPLS L2VPN service end-to-end model, including a basic attribute determination unit, a PE node determination unit, a DNI protection group information determination unit, and an end-to-end model establishment unit, wherein:

[0089] A basic attribute determining unit, configured to: determine the basic attribute of the MPLS L2VPN service;

[0090] PE node determination unit, used to: determine the PE node of the MPLS L2VPN service, the UNI and PW of each PE node;

[0091] The DNI protection group information determination unit is used for: after the basic attributes of the MPLS L2VPN service and the PE node are determined, determine the DNI protection group information bound to the MPLS L2VPN service;

[0092] The end-to-end model building unit is used to: establish the end-to-end model of the MPLS L2VPN service according to the determined basic attributes of the MPLS L2VPN service, PE nodes, UNI,...

Embodiment 3

[0101] As a preferred implementation, on the basis of Embodiment 1 or 2, the basic attributes of the MPLS L2VPN service include service type, service direction, networking mode, service name, customer information, user label, etc., wherein the service type includes E- Line, CES, ATM, E-LAN, E-Tree; service direction includes user side to network side, user side to user side; networking mode includes one source and one sink, one source and two sinks, two sources and two sinks, single root Tree, dual-root Tree, full connection, custom, etc.

[0102] As a preferred embodiment, after the basic attributes of the MPLS L2VPN service are determined, determining the PE node of the MPLS L2VPN service includes the following steps:

[0103] According to the selected service type, service direction and networking mode, determine the number of PE nodes according to Table 1:

[0104] For E-Line / CES / ATM / E-LAN ​​services from user side to user side: the number of PE nodes is fixed at 1.

[0...

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Abstract

The invention discloses a method and system for establishing an MPLS L2VPN service end-to-end model, and relates to the communication field. The method comprises the following steps: determining the basic attributes and PE nodes of the MPLS L2VPN service, determining the UNI, PW of each PE node of the MPLS L2VPN service and the DNI protection group information bound to the MPLS L2VPN service, and establishing an end-to-end connection for the MPLS L2VPN service The model includes: the basic attributes of the MPLS L2VPN service determined in the preceding steps, the PE nodes, the UNI, PW of each PE node, and the DNI protection group information bound to the MPLS L2VPN service to achieve a unified description of the MPLS L2VPN service model. The invention realizes the unified description of the MPLS L2VPN service model, so the designed MPLS L2VPN service configuration and management interface style is unified, and the operation modes are similar, which is convenient for users to understand and master.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and system for establishing an MPLS L2VPN service end-to-end model. Background technique [0002] MPLS (Multi-Protocol Label Switching, Multi-Protocol Label Switching) L2VPN (Layer2Virtual Private Network, Layer 2 Virtual Private Network) services can be divided into point-to-point services, multipoint-to-multipoint Ethernet services (E-LAN: transparent Ethernet transmission service), point-to-multipoint Ethernet service (E-Tree), among which, point-to-point service includes E-Line point-to-point Ethernet service, CES (Circuit Emulation Service, circuit emulation service), ATM (Asynchronous Transfer Mode, asynchronous transmission mode) emulation business. [0003] With the development of transmission technology, users and operators have higher and higher requirements for the reliability of the transmission network, and the networking mode is becoming more and more complex. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/723H04L12/46H04L45/50
CPCH04L12/4641H04L45/50
Inventor 罗岳斌
Owner FENGHUO COMM SCI & TECH CO LTD
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