Method for implementing long connection changeover of network

A long-term connection and network technology, which is applied in the field of network long-connection switchover, can solve the problem of traffic reconnection to the server that returns to normal state, and cannot be used, so as to achieve the effect of ensuring load and ensuring safety

Inactive Publication Date: 2005-09-07
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current load balancing equipment only realizes the traffic sharing. When the server changes between available -> unavailable -> available, it can reconnect part of the traffic to the server that returns to the normal state to ensure that all The server load is balanced, but it is impossible to reconnect the original traffic to the server that returns to normal state. In this way, after a server with load fails, all the load is transferred to other servers. When the failed server works again Afterwards, since no new long connections are generated (because they are all long connections), the server will always be in a state of no load, just like a dummy
This makes it impossible to use in some application areas

Method used

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  • Method for implementing long connection changeover of network
  • Method for implementing long connection changeover of network
  • Method for implementing long connection changeover of network

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Embodiment Construction

[0042] In order to enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0043] refer to figure 1 , figure 2 and image 3 , the realization idea of ​​the method of the present invention is: under normal circumstances, use predetermined algorithm to select real server, client computer Client1 is connected to server Server2, and client computer Client2 and Client3 are connected to server Server1, as figure 1 As shown; when the server Server2 is unavailable for some reason, the connection between the client Client1 and the server Server2 will be disconnected, and then the client Client1 will re-initiate the connection and connect to the server Server1 because the server Server2 is unavailable, such as figure 2 As shown; when the server Server2 resumes normal operation, the network load balancing device will actively disconnect ...

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Abstract

The invention discloses a method for implementing the switching of long network connection, comprising: establishing at least a virtual server corresponding to a server group with the same servicing function, composed of at least a real server; setting an identification word for the virtual server to identify the state change of the real server in the server group; according to the identification word, judging if the state of the real server changes: if the state is normal, establishing the connection between a client and the real server; otherwise, implementing the switching of long connection according to the identification word. The invention can still evenly allocate the whole flow to different servers as the state of the real server changes and assure the implementation of the switching of long connection by network load balancing equipment after the state of the real server is normal.

Description

technical field [0001] The invention relates to the technical field of network connection, in particular to a method for realizing network long connection switching. Background technique [0002] With the development of network technology, network construction and application are advancing by leaps and bounds, network users continue to increase, and network load balancing equipment is also increasingly used in networks of all walks of life. Sharing, that is, using multiple algorithms to evenly distribute the total access traffic to different servers. And there is also a corresponding health detection mechanism. If a real server is unavailable, the traffic connected to this device will be shared to other servers. When this server can run normally again, the load balancing device will Redistribute network traffic to the server, but not traffic that was connected to the server before the server became unavailable. In some special fields (such as banking, securities, etc.), th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28
Inventor 龚华钱剑兰冰
Owner HUAWEI TECH CO LTD
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