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Method for Realizing Data Packet Accelerated Forwarding in Home Gateway

A home gateway and accelerated forwarding technology, applied in the field of data communication, can solve problems such as high CPU usage rate and affecting data forwarding speed

Active Publication Date: 2016-05-04
SHENZHEN GONGJIN ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is a way to accelerate by software, but the problem of occupying cpu resources cannot be solved. If the cpu occupancy rate is too high, it will affect the speed of data forwarding

Method used

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  • Method for Realizing Data Packet Accelerated Forwarding in Home Gateway

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Experimental program
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Embodiment Construction

[0011] see figure 1 , the method for realizing the accelerated forwarding of data packets in the home gateway is realized in the process of matching the routing rules of the data packets with the help of the cpu in the home gateway. The key is: adding data packet input and output interfaces and routing in the switch module of the home gateway Rule storage, on this basis, the following steps are performed:

[0012] a. When the home gateway receives a data packet sent from the network, the data packet is delivered to the switch module through the data packet input interface;

[0013] b. The switch module identifies the identification code in the data packet encoding, and determines the serial number of the data packet, and searches the routing rule for forwarding the data packet stored in the routing rule memory according to the coded serial number. After the matching is completed, the output interface of the switch module directly Skip to step d after the output, if the corres...

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Abstract

The method for realizing the accelerated forwarding of data packets in the home gateway is realized in the process of matching the routing rules of the data packets with the help of the cpu in the home gateway. The key is: adding data packet input and output interfaces and routing rules in the switch module of the home gateway Memory, after the data packet comes in, it will be matched with the rules stored in the routing rule memory in the switch module. If the match is successful, it will be forwarded directly from the switch module. If the match is unsuccessful, it will enter the linux protocol stack and pass the linux protocol. The stack forwards, and records the matching rule into the rule table of the routing rule memory, and next time a similar data packet passes, it can be forwarded directly through the switch module. In this way, the purpose of hardware acceleration is achieved, and the CPU resources are not occupied during the acceleration process, which greatly improves the forwarding speed of data packets.

Description

technical field [0001] The invention belongs to the technical field of data communication, and relates to a method for accelerated forwarding of data packets in a home gateway device. Background technique [0002] With the rapid development of network technology, there are more and more types of home gateway devices, and people have higher and higher performance requirements for home gateway products. In traditional home gateways, data packets are forwarded through the cpu of the home gateway and enter the linux protocol stack for forwarding. When data packets pass through the gateway, they have to go through many paths and match related rules, which will consume a lot of resources. Time, especially some data packets of the same type need to be forwarded multiple times in a short period of time, which seriously affects the frequency of data packet forwarding and the performance of the gateway. If a method for quickly forwarding these same types of data packets can be though...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/721H04L12/66H04L45/74
Inventor 胡一报胡祖敏汪澜王志波
Owner SHENZHEN GONGJIN ELECTRONICS CO LTD