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A method to reduce the transmission delay of receiving channel in toe

A technology of transmission delay and receiving channel, which is applied in the field of data transmission and can solve problems such as transmission delay of application layer data fields

Active Publication Date: 2022-04-22
山东产研集成电路产业研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] After the TCP connection is successfully established, the application layer data field carried by the TCP segment has a transmission delay in the TOE receiving channel.

Method used

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  • A method to reduce the transmission delay of receiving channel in toe
  • A method to reduce the transmission delay of receiving channel in toe

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Experimental program
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Embodiment

[0022] FPGA has the characteristics of high speed, parallelism, precise timing, and flexible functions, and is especially suitable for implementing TOE. The method of this embodiment can give full play to these characteristics of the FPGA technology, and consider the link layer as a component of the TOE, so as to reduce the transmission delay of the application layer data of the receiving channel. Therefore, in this embodiment, FPGA is preferably used to realize TOE.

[0023] Such as figure 2 Shown is an Ethernet frame carrying IP datagrams, TCP segments and application layer data fields transmitted on the network after the TCP connection is established. The throttling form is sequentially sent from left to right to the input port of the TOE receiving channel.

[0024] In this example, if figure 1 As shown, the TOE includes an Ethernet protocol function module at the link layer, an IP protocol function module at the network layer, and a TCP protocol function module at the ...

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PUM

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Abstract

The present invention relates to a method for reducing the transmission delay of a receiving channel in TOE. In the process of receiving and analyzing the original N-byte stream and performing verification at all levels, the receiving channel of TOE, when the verification has not been completed, While receiving the original N-byte stream from the byte analysis module, locate and analyze the IP datagrams and TCP message segments therein, and directly forward the IP message segments obtained by positioning to the IP protocol function module for processing, Directly forward the TCP message segment obtained by positioning to the TCP protocol function module for processing, so as to realize the parallel work of the link layer, network layer, and transport layer. After that, once the functional field processing and verification algorithm of each layer are executed, Then the application layer data field carried by the TCP segment can be sent to the application layer. The invention can greatly reduce the transmission delay of the application layer data field in the TOE receiving channel under the premise of ensuring that the analysis and verification of the application layer data field are correct.

Description

technical field [0001] The invention relates to a method for reducing transmission delay of a receiving channel in TOE, and belongs to the technical field of data transmission. Background technique [0002] The TCP / IP protocol is the mainstream communication protocol of the Internet system and is adopted in many application scenarios. Implementing the TCP / IP protocol is a must for many devices running on the Internet. The traditional way to implement the TCP / IP protocol is to use the CPU to run software, but running the software requires a lot of system resources, and the software that implements the TCP / IP protocol usually runs in parallel with the software that processes the application data carried by the protocol. Therefore, in many cases , especially in the case of higher and higher network speeds and increasingly heavy data processing tasks in recent years, the resource competition between the two has led to limited system performance. [0003] At the same time, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L69/163H04L69/16H04L47/193
CPCH04L69/163H04L69/161H04L47/193
Inventor 林伟温士魁王彬滕达曹山刘晓峰
Owner 山东产研集成电路产业研究院有限公司
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