Label distribution method and device

A label distribution and equipment technology, applied in the field of communication, can solve problems such as failure to identify L3VPN services, fault location and performance detection of L3VPN services

Active Publication Date: 2012-10-10
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a label distribution method and equipment to solve the problem that OAM technology cannot be used to perform effective fault location and performance detection on L3VPN services due to the inability to identify the source end of L3VPN services

Method used

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  • Label distribution method and device
  • Label distribution method and device

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Embodiment Construction

[0072] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0073] Figure 1A It is a flowchart of a label distribution method provided by an embodiment of the present invention. Such as Figure 1A As shown, the method of the present embodiment includes:

[0074] Step 101, the first routing device sends a first Border Gateway Protocol (English name is Border Gateway Protocol, English abbreviation is BGP) ...

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Abstract

The embodiment of the invention provides a label distribution method and a device. The label distribution method comprises the steps that a first router device transmits a first boarder gateway protocol (BGP) updating message including a first virtual private network (VPN) instance identifier, the first router device receives a second BGP updating message including a second VPN substance identifier and first RT, the first router device receives a second BGP updating message including the second VPN instance identifier and the second RT, and the first router device allocates the first VPN instance identifier to the second VPN instance identifier after the first RT and the second RT are confirmed to be identical; and the first router device transmits a third BGP updating message including the first VPN instance identifier to a second router device. According to the technical scheme, through the mutual learning of the VPN instances, the identifier is allocated to the VPN instances, so a layer 3 virtual private network (L3VPN) service can be identified by a service end node to be sourced from which VPN instance, so that the operation administration and maintenance (OAM) problem of the L3VPN can be solved.

Description

technical field [0001] The present invention relates to communication technology, in particular to a label distribution method and equipment. Background technique [0002] The 3G network architecture defined in the Wideband Code Division Multiple Access (WCDMA) R4 standard by the 3rd Generation Partnership Project (English name: The 3rd Generation Partnership Project, English abbreviation: 3GPP) It mainly includes: wireless access network (English name is Radio Access Network, English abbreviation is RAN), core network (English name is Core Network) and bearer network (English name is Backbone). The generalized RAN includes the air interface (Air Interface in English) between the terminal and the base station, that is, the Uu interface, and the Iub interface between the base station and the base station controller. For transmission and bearer, RAN generally refers to the convergence network between base stations and base station controllers. [0003] With the development o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/46H04L29/12H04L45/50
CPCH04L45/04H04L12/4633H04L12/46H04L12/4641H04L45/507
Inventor 李振斌
Owner HUAWEI TECH CO LTD
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