Method for performing session migration among plurality of servers

A session migration and multi-server technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as inability to transfer sessions, achieve better network experience, improve efficiency, and reduce costs

Active Publication Date: 2015-05-27
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
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  • Claims
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Problems solved by technology

[0013] Taking a step back, even if the existing mobility management protocol can correct the direction of the data flow, since the CDN mirror #2 does not initially establish a TCP session with the user, and the establishment of the session at the transport layer requires a three-way handshake process, so the existing protocol and method Migration of this type of session is not possible

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  • Method for performing session migration among plurality of servers
  • Method for performing session migration among plurality of servers
  • Method for performing session migration among plurality of servers

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Embodiment Construction

[0046] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0047] In addition, the steps shown in the flow diagrams of the figures may be performed in a computer system, such as a set of computer-executable instructions, and, although a logical order is shown in the flow diagrams, in some cases, the sequence may be different. The steps shown or described are performed in the order herein.

[0048] Specifically, the technical problem to be solved by the present inven...

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Abstract

The invention discloses a method for performing session migration among a plurality of servers. The method comprises the following steps that: a second mirror server receives a client data packet transmitted by second address translation equipment, wherein in a client, a data service is performed currently by a first mirror server through first address translation equipment; when session migration is required, the second mirror server transmits a connection migration request packet to the client through the second address translation equipment; a judgment on whether or not a confirmation packet responding to the connection migration request packet and returned by the client is received is made; and after the confirmation packet returned by the client is received, the second mirror server instructs a management node to close the connection between the client and the first mirror server, and establishes connection with the client to provide subsequent data services. Through adoption of the method, smooth session migration among the plurality of servers can be realized without interrupting a data service between the client and a current mirror server, and a user can obtain better network experience without any sense of interruption.

Description

technical field [0001] The invention relates to a method for session migration between multiple servers, specifically a TCP session migration method, which belongs to the field of multimedia communication. Background technique [0002] With the rapid development of the Internet, the number of network applications is increasing day by day, and the network load is increasing day by day. The performance, stability and reliability of the server are facing severe tests. Although the P2P network service model is on the rise, the dominant service model on the Internet is still C / S or B / S. In response to this situation, people have adopted technologies such as load balancing and dual-machine backup to provide more stable services. . In order to provide users with better services and reduce network load, methods based on TCP connection migration gradually began to appear. [0003] TCP is an end-to-end transport layer protocol between the application layer and the network layer. Be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08H04L12/741H04L45/74
CPCH04L67/148
Inventor 黄小红赵钦闫屾马严牟亿王振华张晓冬高志腾
Owner BEIJING UNIV OF POSTS & TELECOMM
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