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City range Ethernet bridge equipment, system and method for providing service to it

An Ethernet and metropolitan area technology, applied in the field of metropolitan area Ethernet, can solve problems such as inability to provide finer-grained services

Inactive Publication Date: 2009-07-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, this solution is basically positioned at the edge of the backbone bridge network, mainly facing the carrier bridge network. Although it also defines a transparent service interface, it can directly face the user bridge network to a certain extent, but it is not like the carrier bridge network. , define the C-Tagged interface and cannot provide finer-grained services

Method used

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  • City range Ethernet bridge equipment, system and method for providing service to it
  • City range Ethernet bridge equipment, system and method for providing service to it
  • City range Ethernet bridge equipment, system and method for providing service to it

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Embodiment Construction

[0095] The present invention defines a kind of MAC-in-MAC edge network bridge implementation scheme that contains I component, and its main feature is that, the user side of this network bridge provides C-Tagged service interface, makes backbone network edge network bridge (BEB) The service instance can be directly selected according to the C-VID, so that the carrier backbone bridge network can directly provide Ethernet services to the user bridge network without going through the carrier bridge network based on the Q-in-Q solution. The complete isolation (MAC-in-MAC) reduces the network layers, promotes the development of the MAC-in-MAC backbone core network, and reduces the pressure on the Q-in-Q network.

[0096] In order to make the technical solution of the present invention clearer, the content of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted that the embodiments of the present invention are only us...

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Abstract

A method for providing service at edge of metropolitan area Ethernet includes connecting user bridge network based on C-VLAN to user edge port of MAC-in-MAC edge network bridge, setting up mapping relation table of virtual user ID to operation firm service based on user edge Ethernet port of MAC-in-MAC edge network bridge, identifying data message by MAC-in-MAC edge network bridge and finalizing service example mapping or outlet port mapping according to said mapping relation.

Description

technical field [0001] The invention relates to the technical field of metropolitan Ethernet, in particular to a metropolitan Ethernet bridge device, system and method for providing services therefor. Background technique [0002] For the convenience of description and understanding, before introducing the existing solutions, it is necessary to explain some key terms mentioned in the present invention. [0003] The I component (I-Component or I-Comp) is the key forwarding component of the MAC-in-MAC edge bridge. It is an S-VLAN bridging component that provides an S-Tagged interface or a transparent (Transparent) interface on the user side. , on the backbone network side, use I-SID to abstract virtual instance ports to provide EISS services, multiple virtual instance ports go down and then merge into one ISS port (upward, one ISS is decomposed into multiple EISSs according to I-SID) , the Backbone Source Address (B-SA) is configured on this port. [0004] Customer Bridged N...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/28
Inventor 于德雷
Owner HUAWEI TECH CO LTD
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