Shared path-based looped network tunnel configuration method, and method and system for switching service

A technology for sharing paths and services. It is used in transmission systems, digital transmission systems, and data switching networks. It can solve the problems of heavy configuration workload, many switching actions, and long switching processing time, and achieves a solution that avoids complexity and optimizes configuration. Effect

Active Publication Date: 2013-01-23
盐城捷恒仓储有限公司
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Problems solved by technology

[0002] Currently in the ring network, for the Wrapping (loopback) protection scheme in the G.8132 standard, because the protection scheme is that each protected LSP (Label Switching Path, Label Switching Path) corresponds to a closed protection ring, the configuration workload If the value is too large, there are many switching actions and the switching processing time is relatively long.

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  • Shared path-based looped network tunnel configuration method, and method and system for switching service
  • Shared path-based looped network tunnel configuration method, and method and system for switching service
  • Shared path-based looped network tunnel configuration method, and method and system for switching service

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Embodiment Construction

[0047] The ring network service switching method provided in this embodiment mainly includes the following steps:

[0048] Step 1. Configure the clockwise and counterclockwise working tunnels based on the shared path with the lower ring node of the business on the ring as the destination node, and the two tunnels protect each other;

[0049] Specifically, for each next-ring node, firstly, along the clockwise or counterclockwise direction of the ring, the working tunnel (equivalent to the path) from the adjacent node of this node to the current node is firstly established along the opposite direction of the working tunnel A protection tunnel from another adjacent node of this node to this node;

[0050] Wherein, there is a mutual protection relationship between the working tunnel and the protection tunnel, that is to say, a part of resources in one tunnel is used as a working tunnel in one direction; another part of resources is used as a protection tunnel in the opposite direc...

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Abstract

The invention discloses a shared path-based looped network tunnel configuration method, and a method and a system for switching service. Lower looped nodes of looped service are taken as target nodes, and operation tunnels and protection tunnels which mutually protect on the basis of the shared path are configured. The method comprises the following steps of: configuring the operation tunnels from one adjacent node of the node to the node clockwise or counterclockwise; and configuring the protection tunnels from the other adjacent node of the node to the node along the direct opposite to the operation tunnel. The service from multiple-node in-loop to the same node out-loop is loaded by means of the shared path of multipoint to point (MP2P) established on the loop. Compared with the prior art, the method has the advantages that: the configuration complexity is prevented; the configuration is optimized; and the looped service is transmitted and protected by means of the protection tunnels which reach certain nodes on the loop.

Description

technical field [0001] The invention relates to the technical field of ring network protection, in particular to a ring network tunnel configuration method based on a shared path, a service switching method and a system. Background technique [0002] Currently in the ring network, for the Wrapping (loopback) protection scheme in the G.8132 standard, because the protection scheme is that each protected LSP (Label Switching Path, Label Switching Path) corresponds to a closed protection ring, the configuration workload If the value is too large, there will be many switching operations, and the switching processing time will be relatively long. Contents of the invention [0003] The technical problem solved by the present invention is to provide a ring network tunnel configuration method based on a shared path, a service switching method and a system, optimize the ring network configuration, and realize the transmission and protection of ring network services. [0004] In ord...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/437H04L12/24
CPCH04L12/24H04W76/022H04L12/437H04W76/12
Inventor 刘国满曲延锋
Owner 盐城捷恒仓储有限公司
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