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Routing method and routing equipment

A routing and equipment technology, applied in the field of network communication, can solve the problem that the routing method is not suitable for routing calculation, etc., and achieve the effect of realizing the optimal path and realizing the calculation

Active Publication Date: 2020-10-30
CHINA TELECOM CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although these links correspond to different physical ports on network nodes, the existence of multiple links between adjacent network nodes makes traditional routing methods unsuitable for routing calculations in OTN networks

Method used

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  • Routing method and routing equipment

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] The present invention proposes a routing method, which can generate bundled links from multiple actual links between adjacent network nodes according to different routing constraints such as the available bandwidth resources of multiple actual links, and use routing algorithms to calculate the ...

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Abstract

The invention discloses a routing method, which includes: using bundled links to represent the link relationship between adjacent network nodes, and calculating the optimal path of the network; the bundled link is composed of multiple actual links between adjacent network nodes Generated, the constraints of the bundled link are determined by the constraints of multiple actual links between adjacent network nodes and the constraints of the required bearing services; if the optimal path includes a bundled link, the bundled link The path is mapped to an actual link among the multiple actual links satisfying the constraints of the bundled links, so as to form the actual optimal path of the network. Therefore, in the case of multiple links between adjacent network nodes, the calculation of the optimal path of the network is realized.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a routing method and routing equipment. Background technique [0002] Traditional routing methods intelligently deal with the situation where there is only a single link between adjacent network nodes. However, in an OTN (Optical Transport Network, Optical Transport Network), multiple links may appear between adjacent network nodes. Although these links correspond to different physical ports on the network nodes, the existence of multiple links between adjacent network nodes makes the traditional routing method unsuitable for routing calculation in the OTN network. Contents of the invention [0003] A technical problem to be solved by the present invention is: how to realize the calculation of the optimal path of the network under the condition that there are multiple links between adjacent network nodes. [0004] According to an aspect of the embodiments of the present i...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/707H04L12/721H04L45/24
CPCH04L45/124H04L45/24
Inventor 胡骞荆瑞泉李俊杰赵国永
Owner CHINA TELECOM CORP LTD