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Multichannel processing method in TCP/IP unloading engine

A processing method and technology of offloading engine, applied in the field of multi-channel processing, can solve problems such as congestion and connection interruption, and achieve the effect of reliable data transmission

Active Publication Date: 2017-05-31
NO 32 RES INST OF CHINA ELECTRONICS TECH GRP
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  • Application Information

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Problems solved by technology

[0004] For the defects in the prior art, the purpose of the present invention is to provide a multi-channel processing method in a TCP / IP offload engine, which can solve the problems of data congestion and connection interruption by adding multi-channel processing technology in TOE Improve the working efficiency of TOE, realize the function of multi-port TCP connection and data transmission, realize the high-level protocol of hardware processing TCP / IP protocol, and provide reliable guarantee for data transmission in high-speed network environment

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0022] Such as Figure 1 to Figure 4 As shown, the present invention provides a kind of multi-channel processing method in the TCP / IP unloading engine, and it comprises the following steps:

[0023] Step 1, experiment and debug through field programmable gate array FPGA to realize multi-channel processing technology in TOE;

[0024] Step 2, integrate the multi-channel processing technology in TOE into the ASIC chip of TOE for network protocol processing;

[0025] In the selection of the channel ...

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Abstract

The invention provides a multichannel processing method in a TCP / IP unloading engine. The method comprises the following steps: step 1, performing experiments and debugging through a field programmable gate array FPGA to realize the multichannel processing technology in TOE; step 2, fusing the multichannel processing technology in TOE in an ASIC chip of the TOE to perform network protocol processing; step 3, customizing a software interface, and selecting different channels through a port; step 4, in a TCP processing module, improving and defining an option part of a TCP header; and step 5, in handshake phase established by a TCP connection, during first time handshake, adding a source channel number of an active requester, and setting a target channel as zero as the same is not allocated at the moment. By adoption of the multichannel processing method provided by the invention, the working efficiency of the TOE is greatly improved while the problems of data congestion and connection interruption are solved, a parallel data transmission function of a multi-port TCP connection is realized, a high level protocol of hardware processing TCP / IP is realized, and reliable guarantee is provided for data transmission in a high-speed network environment.

Description

technical field [0001] The invention relates to the field of computer networks, in particular to a multi-channel processing method in a TCP / IP unloading engine. Background technique [0002] With the increasing development of Internet technology, the TCP / IP protocol family has become a standard network communication protocol. However, in a high-speed network environment, the traditional TCP / IP software protocol stack will consume too much CPU performance due to the characteristics of context switching overhead and redundant data replication. Reliable data shows that the current mainstream processors will not be able to meet the protocol when the network speed reaches 10Gbps. Processing performance requirements. Therefore, the TOE (TCP Offload Engine, TCP Offload Engine) technology of the hardware device processing protocol is usually used in the server or high-speed network environment. The TCP / IP protocol is divided into four layers from top to bottom: application layer, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/803H04L29/06G06F13/38
CPCG06F13/38H04L47/125H04L69/12H04L69/161H04L69/22
Inventor 夏寅星阎燕山郑燕
Owner NO 32 RES INST OF CHINA ELECTRONICS TECH GRP
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