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Cross-process service method and system and proxy server

A proxy server and service method technology, which is applied in the field of cross-process service methods and systems and proxy servers, can solve problems such as low efficiency, and achieve the effects of improving efficiency and saving costs

Inactive Publication Date: 2016-08-24
LETV CLOUD COMPUTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method for providing cross-process services and a proxy server, which are used to solve the problem that in the prior art, when the client accesses the cache server through the proxy server, the data in the cache server needs to go from the kernel state to the user state, and then from the user state to the kernel state. The technical problem of inefficiency caused by the repeated copying of the data, and the resulting overhead of the application state cache space

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Embodiment approach

[0047] In order to make the technical solution of the present invention clearer, an embodiment of the present invention is described below in conjunction with the client, proxy server, and cache server as follows:

[0048] Step1: The client initiates a connection request to the cache server. A typical connection request begins with a Syn request message (the initial sequence of the Syn request message sent by the client is CSEQ), and the Syn connection request arrives at the client port of the proxy server.

[0049] Step2: The built-in network input stream processing routine of the proxy server intercepts and parses the SYN request message sent by the client, and forwards it to the connection management module after parsing.

[0050] Step3: The proxy server responds with a response data ACK (the response data ACK corresponds to the initial sequence of the Syn request message, and the response sequence of the response data ACK is CSEQ+1) to the client monitoring port of the prox...

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Abstract

The invention provides a cross-process service method. The method comprises the following steps: receiving a connecting request message sent by a client, establishing a first connection between the proxy server and the client; according to a data request message sent by the client, determining a visited cache server and establishing a second connection between the proxy server and the cache server; and according to the first connection and the second connection, determining a data transmission path from the cache server to the client for allowing the cache server to return data to the client. The invention also provides a cross-process service system and the proxy server. The cross-process service providing method solves the technical problems of reduction of service efficiency and overhead of buffer memory space of a user layer due to repeated data copy between a kernel mode and an application mode in the prior art.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a cross-process service method and system and a proxy server. Background technique [0002] Application layer proxy (ie, proxy server) is widely used in fields such as HTTP proxy and HTTP cache, and plays an important role in network services. The general application layer proxy uses the application layer connection glue proxy (split-connection). The proxy server is located between the client and the accessed server (cache server). The proxy server transparently converts the user request and the server response in two directions. To assist both parties to complete the whole process of communication. When the user submits a request through the client, the proxy server forwards the request to the cache server. For the cache server, the proxy server acts as the client; when the cache server responds to the request, the proxy server returns the corresponding data to the client....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L67/56H04L67/568
Inventor 李洪福
Owner LETV CLOUD COMPUTING CO LTD
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