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Method, system and device for adjusting bandwidth of MPLS TE tunnel

A tunnel and bandwidth technology, applied in the field of communication, can solve problems such as traffic cannot be transmitted well, transmission traffic is affected, traffic is affected, etc.

Inactive Publication Date: 2010-06-02
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the existing technology has a lag in traffic adjustment and is not timely enough. It always takes a considerable period of time before the traffic bandwidth can be adjusted. The traffic within this time period is affected, so that the actual traffic cannot be well adjusted. transmission
For example, after multiple sampling in the above 24, the maximum value of the average bandwidth in multiple sampling periods is obtained as the new bandwidth, and a new LSP tunnel is established, then the transmission bandwidth in the 24 remains unchanged, so that the actual transmission traffic is affected

Method used

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  • Method, system and device for adjusting bandwidth of MPLS TE tunnel
  • Method, system and device for adjusting bandwidth of MPLS TE tunnel
  • Method, system and device for adjusting bandwidth of MPLS TE tunnel

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Embodiment Construction

[0049]The history of the core idea of ​​the present invention: by using the detection message to obtain data such as the delay and jitter of the actual traffic message passing through the MPLS TE tunnel, thereby realizing automatic and timely upward adjustment of the bandwidth of the MPLS TE tunnel, ensuring the bandwidth of the MPLS TE tunnel Adjust to better meet the needs of actual traffic.

[0050] The invention discloses a bandwidth adjustment method of MPLS TE tunnel for multi-protocol label switching traffic engineering, which is applied to a system including a source end and a destination end. The source end and the destination end are connected through an MPLS TE tunnel. The method is as follows: figure 2 shown, including the following steps:

[0051] Step 201, the source end performs unidirectional detection on the traffic delay arriving at the destination end through the MPLS TE tunnel;

[0052] Step 202, the source end adjusts the bandwidth of the MPLS TE tunnel ...

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Abstract

The invention discloses a method for adjusting the bandwidth of a multi-protocol label switching traffic engineering (MPLS TE) tunnel. The method comprises the following steps that: a source terminal carries out one-way detection on traffic delay arrived at a destination terminal through the MPLS TE tunnel; and the source terminal adjusts the bandwidth of the MPLS TE tunnel according to the traffic delay. In the method, the timely adjustment of the bandwidth of the MPLS TE tunnel is implemented, and the adjustment of the bandwidth meets the requirement of actual traffic transmission better.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a bandwidth adjustment method, system and device of an MPLS TE tunnel. Background technique [0002] In the existing enterprise and government networks, it is often necessary to ensure the intercommunication between two sites that are relatively far apart, and to ensure the bandwidth of the intercommunication. For example, in the government affairs network, the traffic priority of some departments or some businesses is relatively high, and sufficient bandwidth must be guaranteed. The technology often used is MPLS (Multi-Protocol Label, Multi-Protocol Label Switching) TE (Traffic Engineering, traffic engineering )technology. Such as figure 1 As shown, an MPLS TE tunnel is established between Site 1 and Site 3, and the bandwidth of the MPLS TE tunnel is guaranteed. [0003] When configuring an MPLS TE tunnel, the bandwidth needs to be fixed. However, in fact, the ...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/46H04L47/56
Inventor 王守唐
Owner NEW H3C TECH CO LTD
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