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Routing method and device

A routing and reconfiguration technology, applied in the field of communication, can solve problems such as performance limitations of general-purpose processors and insufficient practicability, and achieve the effects of occupying less hardware resources, reducing loss, and avoiding resource occupation

Active Publication Date: 2012-10-17
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a routing method and device, which can effectively solve the problems of insufficient practicability in the prior art and the performance limitation of using a general-purpose processor for routing calculation

Method used

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Embodiment Construction

[0017] The embodiment of the present invention provides a routing method and device, which can effectively solve the problems of insufficient practicability and performance limitation of using a general-purpose processor for routing calculation in the prior art.

[0018] Such as figure 1 As shown, the embodiment of the present invention provides a routing method,

[0019] Step 101, configuring the next hop address and routing update flag of the received message;

[0020] Step 102, judging whether a routing update has been performed according to the routing update flag:

[0021] Step 103, when it is determined that the route update has been performed, perform a route lookup, reconfigure the next hop address for the message, update and save the route update flag of the message, and the reconfigured next hop address and The flow type mapping relationship of the message;

[0022] Step 104, sending the message according to the reconfigured next-hop address of the message;

[00...

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PUM

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Abstract

The invention discloses routing method and device, belonging to communication field. The method comprises the following steps of: judging whether routing update is performed or not according to a routing update symbol through configuring the next hop address of a received message and the routing update symbol; carrying out routing lookup when the routing update is determined; reconfiguring the next hop address for the message; updating and storing the routing update symbol of the message and a stream type mapping relation of the reconfigured next hop address and the message; and sending the message according to the reconfigured next hop address of the message. According to the invention, loss of the routing lookup can be reduced and less hardware resources are occupied.

Description

technical field [0001] The present invention relates to communication technology, in particular to a routing method and device. Background technique [0002] Traffic classification is a technology widely used in network forwarding devices such as routers. Its basic process is: according to certain pre-configured rules, classify received packets into different streams, and then perform pre-specified processing for each stream, which can improve the performance of data forwarding and increase flexibility. sex. Routing lookup refers to the process of finding the next hop address by looking up the forwarding table according to the target address. In the IP environment, since the forwarding table is generally large, even if a more optimized algorithm is used, multiple I / O operations are required. relatively large impact on performance. [0003] In the prior art, the method for routing the received message is as follows: first, the flow classification module is used to perform ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/12H04L45/74
Inventor 徐晓煜
Owner HUAWEI TECH CO LTD