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Method for reducing transmission delay of receiving channel in TOE

A technology of transmission delay and reception channel, applied in the field of data transmission, can solve problems such as transmission delay of application layer data field, and achieve the effect of reducing the amount of transmission delay

Active Publication Date: 2020-12-11
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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  • Method for reducing transmission delay of receiving channel in TOE
  • Method for reducing transmission delay of receiving channel in TOE

Examples

Experimental program
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Effect test

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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Abstract

The invention relates to a method for reducing the transmission delay amount of a receiving channel in TOE, which comprises the following steps of: in the process of receiving and analyzing an original N byte stream and executing each level of verification by the receiving channel of TOE, positioning and analyzing IP datagram and TCP message segments in the original N byte stream while receiving the original N byte stream from a byte analysis module under the condition that the verification is not finished; and directly forwarding the IP message segment obtained through positioning to an IP protocol function module to be processed, and directly forwarding the TCP message segment obtained through positioning to a TCP protocol function module to be processed, so that parallel work of a linklayer, a network layer and a transport layer is realized, and then, once function field processing of each layer is finished, a check algorithm is executed, so that the application layer data field carried by the TCP message segment can be sent to the application layer. According to the method, the transmission delay of the application layer data field in the TOE receiving channel can be greatly reduced on the premise of ensuring that the analysis and verification of the application layer data field are errorless.

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 Applications(China)
IPC IPC(8): H04L29/06H04L12/801
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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