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Method and device for implementing sharing IP message load

A technology of load sharing and IP packets, applied in the field of communication, can solve problems such as unbalanced sharing, waste of storage resources, impact on forwarding performance, etc., to achieve the effect of reducing waste and implementing simple algorithms

Inactive Publication Date: 2007-02-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0020] The purpose of the present invention is to provide a method and device for implementing IP message load sharing, which solves the unbalanced sharing problem of the load sharing algorithm based on data flow and the serious waste of storage resources of the message-based load sharing algorithm and affects the forwarding performance question

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  • Method and device for implementing sharing IP message load
  • Method and device for implementing sharing IP message load
  • Method and device for implementing sharing IP message load

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Embodiment Construction

[0048] The core idea of ​​the present invention is to provide a method and device for implementing IP message load sharing, which integrates data flow-based and message-based load sharing algorithms, and introduces a data packet uniquely identified in the IP message header when performing hash calculation. The 16-bit identification information, for the case of multiple data streams or a single data stream, can make the message evenly distributed to all sharing links.

[0049] The IP datagram format and each field in the header are as follows Figure 4 As shown, each field is described as follows:

[0050] Version: Indicates the version of the IP protocol, usually 4 and 6, Figure 4 It is the IPV4 packet format.

[0051]Header length: Indicates the number of 32-bit words occupied by the IP header, including possible options.

[0052] Service type: including a 3bit priority subfield, 4bit TOS (service type) subfield and 1bit unused bit, but must be set to 0. 4bit TOS respecti...

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Abstract

This invention relates to a method and a device for realizing sharing of IP message load, in which, the method includes: utilizing the IP address of a message source, target IP address and an exclusive identified field identifying a part of a message as the key of the load sharing hash algorithm based on the data flow to get the result of digit corresponding to the load sharing path number, taking the result as an index to look for the corresponding load sharing path to transmit the IP message, which integrates the advantages of the load sharing algorithms based on data flow and messages to share messages to all of the sharing paths both multiple data flows and a single data flow.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for implementing IP message load sharing. Background technique [0002] With the increasing popularity of network applications and the increasing scale of the network, the amount of information that needs to be transmitted on the Internet has greatly increased. For routers, they need to provide routing and forwarding functions for a large number of packets. At this time, the load capacity and performance of routers become a practical problem that must be faced: in the case of increased network traffic, or even interface failures How can the router still provide reliable and high-quality services? One of the feasible methods is load sharing. The so-called load sharing is a technology that allows the use of multiple paths to a given destination address. These paths may come from static routes or dynamic routing protocols, a load sharing network...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/56H04L29/06H04Q3/00H04L12/803
Inventor 俞致伟
Owner HUAWEI TECH CO LTD
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