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Method and equipment for transmitting data flow

A technology of data flow and equipment, applied in the field of network communication, can solve the problem of low performance of forwarding data flow, achieve the effect of reducing index length and improving forwarding performance

Inactive Publication Date: 2007-10-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0054] In order to alleviate the problem of low performance of forwarding data streams in the prior art, embodiments of the present invention provide a method and device for forwarding data streams

Method used

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  • Method and equipment for transmitting data flow
  • Method and equipment for transmitting data flow

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Embodiment Construction

[0072] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.

[0073] In the embodiment of the present invention, a part of the keyword of the data stream is used as an index of the tree table to search the tree table, and another part of the keyword is used as the index of the dynamic linked list to search the dynamic linked list, so as to improve the speed of searching the outgoing interface, and further improve the speed of forwarding data. Stream performance.

[0074] There are many forms of keywords for data streams that need to be forwarded. Different data streams correspond to different keywords. For example, some use the form of five-tuples as keywords, and some use the combination of destination address and source address as the key. Words, these keywords have a common feature - relatively long. The forwarding table in this em...

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Abstract

This invention provides a method and equipment for transmitting data flows, in which, the method includes: using a part of key words of the data flow as the index to look for corresponding items in a tree list to look for corresponding dynamic chain list according to the content in the corresponding list, taking the rest part of the key words as the index to look for corresponding nodes in the dynamic list and getting outlet-interface information in the nodes to transmit said data flow. This invention also discloses equipment including: a management module, a tree list looking up module and a dynamic link looking up module and a transmission module.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a method and equipment for forwarding data flow. Background technique [0002] IPTV (Interactive Persionality Television) refers to TV broadcasting services based on the IP protocol. Under the trend of IP in the entire network, the multimedia data of such video programs is mainly carried by IP packets and transmitted to users through the Internet. These multimedia data mainly flow from the video program provider's server to the majority of home users, which is a typical point-to-multipoint transmission mode. This message transmission method is especially suitable for data stream forwarding technology. [0003] The typical data stream forwarding technology is multicast technology, among which, multicast is also called "multicast", which is a transmission method of IP packets. According to the multicast group address, IP packets can be transmitted from point to multipoint tra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L12/18G06F17/30H04L45/74
Inventor 陈驱
Owner HUAWEI TECH CO LTD
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