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Method and system for establishing end-to-end label switched path

A technology of label switching paths and paths, applied in the field of communication, to achieve the effect of improving establishment efficiency, reducing configuration work, and improving survivability

Active Publication Date: 2012-09-19
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention provides a method and system for establishing an end-to-end label switching path to solve the problems caused by establishing paths according to switching capabilities in the prior art

Method used

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  • Method and system for establishing end-to-end label switched path
  • Method and system for establishing end-to-end label switched path

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Embodiment Construction

[0027] 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 making creative efforts belong to the protection scope of the present invention.

[0028] figure 1 It is a schematic flowchart of an embodiment of a method for establishing an end-to-end label switched path in the present invention, including:

[0029] Step 11: The head node determines an end-to-end label switching path from the head node to the end node, and the end-to-end label switching path includes a node correspondin...

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Abstract

Provided are a method and a system for establishing an end-to-end label switched path. The method comprises: a first node ascertains an end-to-end label switched path from the first node to a last node, said path comprising nodes corresponding to integrated devices and nodes having single switching capability; path request messages are sent to establish the end-to-end label-switched path hop by hop. Embodiments of the present invention can establish an end-to-end path integrated with multiple switching capabilities.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and system for establishing an end-to-end label switching path. Background technique [0002] With the development of communication technology, converged devices appear, which can support multiple switching capabilities, for example, Packet-Optical Transport Network (P-OTN) devices, which can support wavelength switching, time division multiplexing (Time Division Multiplexing, TDM) switching, packet switching. When such a converged device appears, the end-to-end service may pass through nodes with different switching capabilities. For example, an end-to-end service needs to pass through the packet switching domain and the TDM domain, and the packet switching domain and the TDM domain are connected by a converged device , then when establishing a path at this time, in the prior art, a Label Switch Path (Label Switch Path, LSP) will be established correspon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04Q11/00
CPCH04L45/50
Inventor 章发太
Owner HUAWEI TECH CO LTD
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