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Data transmission method and device

A data transmission method and a data packet technology, which are applied in the field of data transmission methods and devices, and can solve the problems that data cannot be sent out, and multiple IPs cannot be dynamically supported.

Active Publication Date: 2021-07-30
YUSUR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this solution is that it cannot dynamically support multiple IPs, that is, every time to send data to a host corresponding to a new IP, the host needs to actively apply for a link relationship with the corresponding new IP, otherwise the data will never be sent

Method used

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  • Data transmission method and device
  • Data transmission method and device

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Embodiment Construction

[0026] 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.

[0027] Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the structures and / or processing steps closely related to the solution according to the present invention are shown in the drawings, and the related Other details are not relevant to the invention.

[0028] It should be em...

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PUM

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Abstract

The invention discloses a data transmission method and device, wherein the method includes: in response to receiving a data packet transmission request containing target address information and data storage information, judging according to the current link information whether the link with the target address has been Establish; in response to the judgment result that the link is not established, perform a link establishment operation with the target address; in response to the judgment result that the link is established, generate an initial packet header including at least the initial TCP checksum according to the target address information, And obtain the data to be sent according to the data storage information; send the initial data packet header and the data to be sent to the preset sending module according to the predetermined transmission rule, and generate the final TCP checksum according to the initial data packet header and the data to be sent based on the checksum generation rule Checksum; generate the final data packet according to the final TCP checksum, the initial data packet header and the data to be sent, and send the final data packet to the target address through the super 10 Gigabit optical transceiver unit.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data transmission method and device. Background technique [0002] As an important Internet (network) protocol, the TCP / IP (Transmission Control Protocol / Internet Protocol, Transmission Control Protocol / Internet Protocol) protocol has always been in the basic position of network communication. At present, the network transmission bandwidth is increasing rapidly. Because the traditional TCP / IP network card relies on the CPU (central processing unit, central processing unit) to perform a series of operations such as encoding and parsing data packets, the network transmission under high bandwidth has a huge pressure on the CPU load. . In addition, due to the limitation of CPU performance, it also forms a bottleneck for further improving network bandwidth. [0003] Therefore, TOE (TCP Offload Engine, TCP Offload Engine), also known as TCP offload engine technology, emerged as th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L67/141H04L69/16H04L69/161
Inventor 鄢贵海石阳王天豪肖凡
Owner YUSUR TECH CO LTD