Method for inserting and unloading transmission control protocol (TCP) proxy and service gateway equipment
A service gateway and device technology, applied in the communication field, can solve problems such as performance degradation, and achieve the effects of avoiding performance degradation, realizing system performance, and flexible agency
Active Publication Date: 2015-04-29
HUAWEI TECH CO LTD
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[0005] The embodiment of the present invention provides a method for inserting and unloading a TCP agent and a service gateway device, which are used to solve the problem of performance degradation caused by always performing a TCP agent in the prior art to a certain extent, thereby improving system performance
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[0047] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0048] In order to realize the dynamic insertion and unloading of the TCP proxy, the embodiment of the present invention provides a service gateway device, figure 1 It is a schematic structural diagram of Embodiment 1 of the service gateway device of the present invention, including: a communication interface module 11, a proxy policy determinatio...
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The present invention provides a TCP proxy insertion and uninstall method, and a service gateway device. The method includes: during establishment of a TCP connection, forwarding a TCP connection establishing packet between a TCP client and a TCP server through an L3, and recording option information and sequence number information of the TCP connection establishing packet; performing determination on a received packet according to a proxy policy after the TCP connection is established; forwarding the received packet if it is determined that no proxy process is required for the received packet according to the proxy policy, and updating the recorded sequence number information according to sequence number information of the received packet; and generating a client pseudo socket and a server pseudo socket according to the recorded option information and the sequence number information if it is determined that a proxy process is required for the received packet according to the proxy policy, terminating the received packet by adopting the client pseudo socket and the server pseudo socket, processing the terminated packet through an L7 and forwarding the processed packet. With the embodiments of the present invention, system performance can be improved.
Description
technical field [0001] The embodiments of the present invention relate to the field of communication technologies, and in particular to a transmission control protocol (Transmission Control Protocol, TCP for short) proxy insertion and unloading method and a service gateway device. Background technique [0002] In order to solve the challenges faced by Mobile Broadband (MBB) operations, service gateway devices are usually deployed at the gateway connecting mobile terminals to the mobile Internet to achieve refined data service control and management. In order to achieve fine-grained data service control and management, usually the service gateway device needs to analyze the content of layer 7 (L7 layer) data packets, and perform related processing according to its content and related attributes, such as content adaptation, content enhancement, anti-virus, network acceleration . Since basically all network services are based on TCP, in order to realize the above-mentioned rel...
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IPC IPC(8): H04L29/06H04L29/08H04L12/66
CPCH04L67/14H04L69/163H04L69/162H04L69/326H04L69/32H04L47/193H04L47/34
Inventor 谢华国周通汪明霞吴杰
Owner HUAWEI TECH CO LTD