Design method of data transmission link dynamic self-healing mechanisms

A data transmission and transmission link technology, applied in digital transmission systems, transmission systems, data exchange networks, etc., can solve problems such as increasing the difficulty of high-speed signal design, and achieve the effect of making up for defects, improving usability, and broad development prospects

Active Publication Date: 2012-08-22
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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Problems solved by technology

High-bandwidth design requirements, on the one hand, increase the difficulty of high-speed signal design, and need to implement an efficient transmission mechanism to ensure internal data transmission in the system; on the other hand, it also makes the system hardware design fall into the dilemma of multi-channel high-speed signal design. The transmission rate above 10GT / s poses a very high challenge for hardware design

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  • Design method of data transmission link dynamic self-healing mechanisms
  • Design method of data transmission link dynamic self-healing mechanisms
  • Design method of data transmission link dynamic self-healing mechanisms

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Embodiment Construction

[0013] Referring to the accompanying drawings, the content of the present invention is described by simulating link transmission failure and adopting link dynamic self-healing mechanism to repair the implementation process of this structure.

[0014] As described in the summary of the invention, the repair method for the dynamic self-healing of the data transmission link in the present invention mainly includes: 1) the method of link multi-channel transmission degradation; 2) the dynamic reconstruction method of the physical link; 3) fault judgment with the reset initiated method, where:

[0015] 1) The method of link multi-channel transmission degradation; when a link fails, the physical transmission link can discard the failed link and reconstruct the multi-channel transmission link to 1 / 2, 1 / 2 of the original transmission width 4, 1 / 8, etc., confirm the existence of the faulty link through the fault judgment logic, initiate system scene protection and transmission physical ...

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Abstract

The invention provides a design method of data transmission link dynamic self-healing mechanisms. The characteristics of data transmission link fault self-healing mainly include that degradation usage of physical link transmission width based on the link actual state is achieved through interior design of chips, and faulted physical link is abandoned; dynamic reconfiguration characteristics of the physical link mainly comprise that during the system operation process, when the physical link breaks down, dynamic launches a reset mechanism, protects the current scene of the system, and starts link degradation, so that the system operation is not affected; and the characteristics of fault judgment and reset launching mainly include that data transmission correctness is verified through data verification; and when error data achieve a certain scale, link fault is judged, fault judgment is achieved and transmission link synchronization is guaranteed by launching reset to own physical layer and simultaneously launching in-band reset to the physical layer of a sender.

Description

technical field [0001] The invention relates to the field of integrated circuit design, in particular to a design method for a dynamic self-healing mechanism of a data transmission link. Background technique [0002] With the rapid development of integrated circuit technology, high-performance computer systems have increasingly become a basic feature of industry development, which puts forward requirements for the bandwidth inside the computer system. High-bandwidth design requirements, on the one hand, increase the difficulty of high-speed signal design, and need to implement an efficient transmission mechanism to ensure internal data transmission in the system; on the other hand, it also makes the system hardware design fall into the dilemma of multi-channel high-speed signal design. The transmission rate above 10GT / s poses a very high challenge for hardware design. Therefore, adopting a highly reliable data link transmission mechanism is one of the key technologies to en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/56
Inventor 王恩东胡雷均李仁刚
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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