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Achieving method of light-weight real-time TCP/IP protocol stack

A technology of IP protocol and implementation method, applied in the field of computer network and data communication, can solve the problems of complex implementation of the protocol stack, and achieve the effects of improving real-time performance, reducing the number of copies, and reducing system overhead.

Inactive Publication Date: 2014-08-20
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] However, these solutions are only to ensure real-time communication, and the shortcomings of the complex implementation of the protocol stack have not been resolved. Therefore, it is of great significance to propose a lightweight real-time implementation method for the TCP / IP protocol stack.

Method used

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  • Achieving method of light-weight real-time TCP/IP protocol stack
  • Achieving method of light-weight real-time TCP/IP protocol stack

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Embodiment Construction

[0031] Describe the present invention below in conjunction with specific embodiment:

[0032] The implementation method of the real-time TCP / IP protocol stack of the present invention improves the standard TCP / IP protocol stack, enhances the scalability of the system, improves the real-time performance of the system, and reduces system overhead and communication delay.

[0033] In this embodiment, at first the real-time TCP / IP protocol stack of the present invention includes IP protocol, TCP protocol, UDP protocol, ICMP protocol and ARP protocol; secondly, in order to enhance real-time performance, a media access control module is added; finally, in order to enhance Scalability and compatibility of application programs, the socket interface module and network card driver abstraction layer have been added; the media access control module is to meet the real-time requirements of network communication; the socket interface module is to meet the general network socket programming i...

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Abstract

The invention provides an achieving method of a light-weight real-time TCP / IP protocol stack. A standard TCP / IP protocol stack is improved through protocol stack initialization, a socket interface module processing state, a transmission layer processing stage, a network layer processing stage, a media access control layer processing stage and a network card abstraction layer processing stage, system expandability is enhanced, system real-time performance is improved, and system overhead and communication delay are lowered.

Description

technical field [0001] The invention belongs to the technical field of computer network and data communication, and specifically relates to a realization method of a lightweight real-time TCP / IP protocol stack. Background technique [0002] The implementation of the current standard TCP / IP protocol stack is complex and cannot meet the real-time requirements of specific applications. To ensure real-time communication solutions, most of the solutions are to modify and expand the data link layer, such as the following three solutions: [0003] 1. The Ethernet Powerlink proposed by B&R Austria introduced the SCNM (Time Slot Communication Network Management) algorithm to ensure the determinism of real-time Ethernet communication. [0004] 2. EtherCAT (Ethernet for Control Automation Technology) proposed by Beckhoff, Germany, adopts the precise clock synchronization mechanism defined in the IEEE1588 standard, and introduces the seat extension of the timestamp data type. [0005] ...

Claims

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Application Information

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IPC IPC(8): H04L29/06
Inventor 蒋泽军杜承烈陈进朝黄云婷侯亮
Owner NORTHWESTERN POLYTECHNICAL UNIV
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