A Method for Session Migration Between Multiple Servers

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

Active Publication Date: 2019-03-01
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • A Method for Session Migration Between Multiple Servers
  • A Method for Session Migration Between Multiple Servers
  • A Method for Session Migration Between Multiple 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 session migration between multiple servers, comprising: the second mirror server receives the client data packet transmitted from the second address conversion device, wherein the client is currently controlled by the first mirror The server performs data service through the first address translation device; when a session migration is required, the second mirror server sends a connection migration request packet to the client through the second address translation device; judges whether the response returned by the client is received An acknowledgment packet of the connection migration request packet; wherein, after receiving the acknowledgment packet returned by the client, the second mirror server notifies the management node to close the connection between the client and the first mirror server, and communicates with the The above client establishes a connection to provide subsequent data services. The method can realize smooth migration of sessions between multiple servers without interrupting the data service between the client and the current mirror server, and the user can obtain a better network experience without feeling at all.

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 current 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 la...

Claims

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Application Information

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Patent Type & Authority Patents(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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