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IP (Internet Protocol) traffic engineering (TE) management method and device

A technology of traffic engineering and management method, which is applied in the field of IP traffic engineering management method and device, and can solve problems such as unable to manage IP traffic TE

Active Publication Date: 2014-11-19
NEW H3C TECH CO LTD
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  • Summary
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, it is impossible to combine IP traffic for TE management

Method used

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  • IP (Internet Protocol) traffic engineering (TE) management method and device
  • IP (Internet Protocol) traffic engineering (TE) management method and device
  • IP (Internet Protocol) traffic engineering (TE) management method and device

Examples

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Embodiment Construction

[0024] In the prior art, TE can only establish MPLS TE (Multi-Protocol Label Switching Traffic Engineering) tunnels in combination with MPLS (Multi-Protocol Label Switching, Multi-Protocol Label Switching) technology to realize MPLS-based TE management . It requests path calculation from the PCE (Path Computation Element) device through the ingress node of the MPLS TE tunnel, and the PCE sends the calculated path information to the ingress node, and the ingress node then initiates an MPLS TE tunnel label request to complete the label During the distribution process, a TE tunnel forwarding table is generated on each device in the tunnel, so that network traffic bypasses congested nodes and achieves the purpose of balancing network traffic. However, since IP does not have a processing flow related to label allocation of MPLS, it is difficult to perform TE management on IP traffic in the prior art.

[0025] Therefore, the present invention provides an IP traffic engineering mana...

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Abstract

The invention provides an IP (Internet Protocol) traffic engineering (TE) management method and device, which are applied to a path computation element (PCE) server. The method comprises the following steps: collecting link information of TE node equipment in an IP network; maintaining the link state information of the TE node equipment according to the link information; when a path deployment request is received, computing a preferred IP forwarding path according to the path deployment request and TE link state information; and forwarding information about the preferred IP forwarding path to all TE node equipment passed by the preferred IP forwarding path in order to finish TE management of IP traffic.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to an IP traffic engineering management method and device. Background technique [0002] TE (Traffic Engineering, traffic engineering) management can be used to solve the congestion problem caused by load imbalance. TE management can monitor network traffic and network unit loads in real time, dynamically adjust traffic management parameters, routing parameters, and resource constraint parameters, etc., so that the network operation status can be migrated to an ideal state, optimize the use of network resources, and avoid load imbalance. congestion. However, TE management cannot be performed in combination with IP traffic in the prior art. Contents of the invention [0003] In view of this, the present invention provides an IP traffic engineering management method and device to solve the above problems. [0004] The present invention provides an IP traffic engine...

Claims

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Application Information

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IPC IPC(8): H04L12/725H04L12/24
Inventor 叶金荣
Owner NEW H3C TECH CO LTD
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