Method for realizing path computation in network domain

一种路径计算、路径计算请求的技术，应用在网络通信领域，能够解决没有问题提出相应的解决方法等问题，达到整体运行效率提高、提高效率和正确性、提高正确性的效果

Active Publication Date: 2006-11-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] At present, the corresponding overall requirements for the PCE communication protocol are provided, but there are no corresponding solutions to some specific problems involved in the requirements, and there is no solution to the problems that may be encountered in the requirements.

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  • Method for realizing path computation in network domain
  • Method for realizing path computation in network domain
  • Method for realizing path computation in network domain

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Embodiment Construction

[0052] The core of the present invention is in the network domain, each path calculation network entity responsible for completing the path calculation saves all calculation request information in the current domain, thereby effectively avoiding resource conflicts that may be encountered in distributed computing, and ensuring that different When computing requests do not cause resource conflicts, computing requests in the domain can still be processed in parallel, and effective computing load sharing is performed based on this information.

[0053] The present invention can be applied in a network domain where various path resources are managed independently, and there are multiple path calculation network entities in the network domain, which are used to share and complete the path calculation in the network domain.

[0054] The implementation of the present invention will be described below by taking the realization of the present invention in the traffic engineering network ...

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Abstract

The invention discloses a route calculating method of network area, which is characterized by the following: the route calculation network entity saves global route calculating information for route calculating in the network area; the global route calculating information is composed of the following information: all current route calculating request information, current network resource information for distributing and current occupying resource;the route calculation network entity calculates the route according to the saved global route calculation information. The invention improves the efficiency and correctness of treating route calculation task, which improves the whole protocol operation efficiency.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for realizing path calculation in a network domain. Background technique [0002] Traffic engineering focuses on the optimization of the overall performance of the network. Its main goal is to provide efficient and reliable network services conveniently, optimize the use of network resources, and optimize network traffic. Specifically, it can be divided into two levels: one is traffic-oriented, that is, it focuses on how to improve the service quality of the network; the other is resource-oriented, that is, it focuses on how to optimize the use of network resources, and the most important thing is the effective use of bandwidth resources. With the expansion of the deployment scope and the development of GMPLS (General Multi-Protocol Label Switching) technology, inter-domain traffic engineering will span different operators and cover GMPLS networks. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04L45/10H04L45/42H04L45/50H04L45/00
Inventor 张仁海
Owner HUAWEI TECH CO LTD
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