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Method for selecting ring in resilient packet ring

A resilient packet ring and ring technology, applied in the ring network, data exchange through path configuration, digital transmission system, etc., can solve packet loss, incomplete ring selection mechanism, and inability to make full use of the existing ring network bandwidth advantages, etc. problem, to achieve reasonable ring selection and reduce the waste of effective bandwidth

Inactive Publication Date: 2006-11-08
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The technical problem solved by the present invention is to avoid the defects that the prior art only relies on the number of node hops for ring selection, the ring selection mechanism is not complete, the bandwidth advantage of the existing ring network cannot be fully utilized, and even packet loss may be caused

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  • Method for selecting ring in resilient packet ring
  • Method for selecting ring in resilient packet ring
  • Method for selecting ring in resilient packet ring

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Embodiment Construction

[0032] The core of the present invention is to optimize the existing RPR ring selection mechanism, increase the ring selection decision point, and not only consider the node hops of the optional ring between the source and sink nodes, but also consider the optional ring between the source and sink nodes. The network status of the road can make full use of the entire network bandwidth, reduce the problems caused by the unbalanced network status of different ring directions, and increase the completeness and reliability of the ring selection mechanism. The following will be described with specific embodiments.

[0033] refer to Figure 4 , which is a flow chart of the first embodiment of ring selection on the RPR in the present invention.

[0034] In this embodiment, the weight value is set for the optional loop parameter node hops and network status between the source and sink nodes. For example, in specific implementation, the network status is determined according to the foll...

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Abstract

Present invention relates to a loop selecting method in elastic grouping loop. Method includes A, determining every optional node jump number and network state between source and host node; B, according to node jump number and network state selecting determined transmitting / receiving data loop from optional loop. The present invention reduces effective bandwidth wastage in RPR loop network.

Description

technical field [0001] The present invention relates to the elastic packet ring technology, more specifically, the present invention relates to a ring selection method in the elastic packet ring. Background technique [0002] RPR (Resilient Packet Ring) technology integrates the intelligence of IP, the economy of Ethernet and the high bandwidth efficiency and reliability of optical fiber ring network, and provides a good combination for broadband IP metropolitan area network operators. net program. RPR technology makes it possible for operators to provide carrier-class services at low cost in the metropolitan area network, and reduces transmission costs while providing similar SDH-level network reliability. The most attractive feature of RPR, which is different from traditional MAC, is that it has carrier-class reliability, which makes it not only limited to processing data-oriented service transmission requirements, but also can form a comprehensive transmission solution f...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/42
CPCH04L49/102H04L49/357
Inventor 高游吕鹏
Owner HUAWEI TECH CO LTD
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