Traffic engineering mapping table automatic collocation method and device therefor

A technology of automatic configuration and traffic engineering, applied in the field of traffic engineering, can solve the problems of increased link load of other nodes, waste of network resources, etc., and achieve the unified effect of TECLASSMAP

Active Publication Date: 2012-04-25
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since there is no method of knowing the TEClass Map in the node in the prior art, the inconsistency of the TE Class Map cannot be avoided through path calculation
Moreover, even if the node links with inconsistent TE Class Maps are avoided through path calculation, since the number of node links available for tunnel establishment decreases, it is a serious waste of network resources and will increase the load on other node links
It can be seen that the inconsistency of TE Class Map has a very adverse impact on the utilization and balance of network resources

Method used

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  • Traffic engineering mapping table automatic collocation method and device therefor
  • Traffic engineering mapping table automatic collocation method and device therefor
  • Traffic engineering mapping table automatic collocation method and device therefor

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Embodiment Construction

[0048] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0049] The present invention mainly expands the Path message and the Patherr message in the RSVP protocol, so that the Path message and the Patherr message can carry information related to the TE CLASS MAP, utilizes the extended Path message and the Patherr message to realize the diffusion of the TE CLASS MAP in the network, and Provides an arbitration mechanism, through the arbitration selection of the priority of TE CLASS MAP, so that the node that receives the Path message or Patherr message updates the TE CLASS MAP saved by itself, and realizes the automatic negotiation and configuration of the TECLASS MAP of the entire network node, and achieves the goal of the entire network. The purpose of TE CLASS MAP unification.

[0050] figure 2 It is a flo...

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Abstract

The invention discloses a traffic engineering mapping table automatic collocation method and a device therefor. The method comprises the following steps of: comparing the priority level of TE CLASS MAP carried in path message and the priority level of TE CLASS MAP stored by the self by using a node; updating the TE CLASS MAP stored by the self to be the TE CLASS MAP with a higher priority level; comparing and judging whether the updated TE CLASS MAP is the same as the TE CLASS MAP which is not updated and the TE CLASS MAP carried in the path message; and according to the comparison result, commanding other nodes to update the TE CLASS MAP. By transmitting the TE CLASS MAP between the nodes by the path message and patherr message, the method and the device can realize automatic negotiationand collocation of the TE CLASS MAP, thus achieving the purpose of unifying the TE CLASS MAP within the whole network.

Description

technical field [0001] The invention relates to the technical field of traffic engineering, in particular to a method and device for automatically configuring a traffic engineering mapping table. Background technique [0002] With the continuous improvement of network business service quality requirements, TE (Traffic Engineering, Traffic Engineering) technology is more and more widely used in network service business deployment. TE not only realizes the effective use of network high reliability guarantee. In the original TE design, bandwidth restrictions are not based on different classes of service (COS), but with the diversification of network business services, different business types often have different network requirements, such as audio, video and other services High real-time performance is required, but downloading, browsing and other services do not. Therefore, for different service types, the original TE technology will not be able to realize the reasonable all...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/24H04L47/724
Inventor 雷昭燕郜忠华
Owner NEW H3C TECH CO LTD
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