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Processing method for periodic line resource information of traffic engineering

A link resource and traffic engineering technology, applied in the field of traffic engineering link resource information processing, can solve problems such as increasing information volume, service interruption, and aggravating DCN, and achieve the effect of enhancing flexibility

Inactive Publication Date: 2008-04-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] 1. When a TE link is split into multiple TE links, the number of TE links increases, the amount of flooded information increases, and the load on the DCN (Data Communication Network, data communication network) and the network The load of node information processing
[0010] 2. Cannot dynamically configure or modify or delete multiplex section or RPR ring configuration information
If an LSP has been established using protected resources in the original MSP ring, it is easy to cause service interruption on this LSP due to changes in TE link information

Method used

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  • Processing method for periodic line resource information of traffic engineering
  • Processing method for periodic line resource information of traffic engineering
  • Processing method for periodic line resource information of traffic engineering

Examples

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Embodiment Construction

[0042] The present invention provides a method for processing traffic engineering link resource information. The core of the present invention is: in a transmission network configured with multiple protection technologies, a network node obtains multiple protection attributes of a related TE link, and The resource information of various protection attributes of the TE link is bound together and released in the network, and the transport network uses the information released by all network nodes to establish an LSP connection.

[0043] The present invention will be described in detail below with reference to the accompanying drawings. The processing flow of the embodiment of the method of the present invention is shown in FIG. 1 and includes the following steps:

[0044] Step 1-1: The network node acquires various protection attributes on the TE link and bandwidth resource information corresponding to each specific protection attribute.

[0045] In a GMPLS network or an MPLS ne...

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Abstract

The invention provides a processing method of a flow engineering link resource information. The said method comprises: a network node obtaining a great variety of protection attributes and corresponding bandwidth resource information of TE link; the network node issuing a great variety of protection attributes and corresponding bandwidth resource information of TE link. All the network nodes can obtain whole network TE link resource information to make a control plane adequately compatible with a great variety of protection rearranging technique of a transferring plane.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a method for processing link resource information of traffic engineering. Background technique [0002] With the development of GMPLS (General Multi-Protocol Label Switch, General Multi-Protocol Label Switch) or MPLS (Multi-Protocol Label Switch, Multi-Protocol Label Switch) technology defined by IETF (Internet Engineering Task Force, Internet Engineering Task Force) standard organization , by adding a control plane to the transport network based on PSC (Packet Switch Capability, packet switching) or based on TDM (Time Division Multiplex, circuit switching), the end-to-end automatic routing function for customer services can be implemented. [0003] The control plane uses the routing protocol to publish the TE (Traffic Engineering, traffic engineering) link status information obtained by the node in the network, and receives the real-time TE link status information sent by ot...

Claims

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Application Information

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IPC IPC(8): H04L12/24
CPCH04L45/12H04L45/50H04L41/0663H04L45/28H04L45/22
Inventor 高建华
Owner HUAWEI TECH CO LTD
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