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Method for realization of tree service based on Ethernet network with utilization of VPLS and system thereof

An Ethernet and tree-type technology, applied in the transmission system, digital transmission system, network interconnection, etc., can solve the problem of unclear source of the message

Active Publication Date: 2015-03-11
SUZHOU CENTEC COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0017] In view of this, the purpose of the present invention is to provide a method for VPLS to realize Ethernet-based tree services, which can solve the problem of unclear sources of messages on the basis of existing chips

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  • Method for realization of tree service based on Ethernet network with utilization of VPLS and system thereof

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Embodiment Construction

[0030] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, in which the same structures or functions are marked with the same numerals. It should be pointed out that the purpose of the drawings is only to facilitate the description of the specific embodiments of the present invention, and is not a redundant description or limitation to the scope of the present invention.

[0031] see figure 1 , a VPLS system 100 for implementing Ethernet-based tree services includes several transmission components, wherein 1 and 2 represent two PEs in a VPLS instance, that is, the first PE and the second PE, and 3 and 7 represent the first PE and 7 respectively. The root ACs of PE1 and PE2 are the first root AC and the second root AC, 4 and 8 represent the leaf ACs of the first PE1 and the second PE2, namely the first leaf AC and the second leaf AC, 5 and 6 respectively Indicates the root PW and leaf PW established by the first ...

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Abstract

The invention discloses a method for realization of a tree service based on an Ethernet network with utilization of a virtual private LAN segment (VPLS) and a system thereof. The method comprises the following steps that: step one, a first provider edge (PE) and a second PE are provided; root attachment circuits (AC) of a first PE 1 and a second PE 2 are respectively a first root AC and a second root AC; and leaf ACs of the first PE 1 and the second PE 2 are respectively a first leaf AC and a second leaf AC; and step two, more than one pair of pseudo wires (PW) are established between the two PEs in a same VPLS instance. According to the invention, a message source can be effectively identified on the basis of a current chip.

Description

technical field [0001] The present invention relates to a method and a system for using Metro Ethernet virtual private local area network service (VPLS). Background technique [0002] At present, international standards organizations engaged in the research of Metro Ethernet standards include IETF (Internet Engineering Task Force, Internet Engineering Task Force), Metro Ethernet Forum (MEF), and so on. MEF defines three types of Carrier Ethernet Services, which are: point-to-point services, namely E-LINE services; multipoint-to-multipoint services, namely E-LAN ​​services. E-LAN ​​provides single Broadcasting, multicasting, learning and packet delivery capabilities; point-to-multipoint services, namely E-Tree services. E-TREE is a simplified form of E-LAN. Data frames are multicast from a specific source point to all destination points. Its typical application is video broadcasting for home users and layer-2 isolation between users in the access network. . [0003] VPLS (...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/70H04L12/44H04L12/46H04L12/753
Inventor 李占斌陈玉强
Owner SUZHOU CENTEC COMM CO LTD
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