Message transmission method and device and interconnection interface

A message transmission and message technology, applied in the field of communication, can solve problems such as the inability to guarantee the reliability of the interconnection system, system hangup, etc.

Active Publication Date: 2014-07-30
HUAWEI TECH CO LTD
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Problems solved by technology

[0004] However, the above-mentioned retransmission buffer retransmission technology can only guarantee the occasional recoverable failure scenario of the link, and for the unrecoverable link failure scenario, the message in the retransmission buffer has not

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  • Message transmission method and device and interconnection interface
  • Message transmission method and device and interconnection interface
  • Message transmission method and device and interconnection interface

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[0083] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0084] Generally speaking, there are multiple nodes in the interconnection system, such as computing nodes, storage nodes, etc., and each node is connected through interconnection interfaces. The interconnection interface may be, for example, a parallel converter (Serializer / Deserializer, SerDes) interface or source synchronization. T...

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Abstract

The embodiment of the invention provides a message transmission method and device and an interconnection interface. The message transmission method comprises the steps that a sending node judges whether a main link has an unrecoverable fault or not, if the main link has the unrecoverable fault, at least one backup link, except the main link, is selected from a plurality of communication links to send a message to a receiving node, and the receiving node sends the message to the receiving end of the main link. According to the method, for two nodes which have communication through multiple Links in an interconnection system, when it is determined that part of the Links have the unrecoverable faults, the messages in retransmission Buffer of the sending end of the Links with the unrecoverable faults are sent to the backup links, the backup links send the messages to the receiving ends of the Links with the unrecoverable faults, the capacity of the interconnection system for resisting accident abnormal conditions is greatly improved, and high reliability of the interconnection system is ensured.

Description

technical field [0001] The invention relates to communication technology, in particular to a message transmission method, device and interconnection interface. Background technique [0002] As the performance requirements of the computing system become more and more intense in the market, the scale of the computing system becomes larger and larger, and various types of interconnection interfaces are usually used to interconnect computing nodes in the computing system. The interconnection interface used for the computing system, in order to adapt to the importance of the business carried by the computing system and the complexity of the interconnection protocol, etc., in addition to meeting the performance of high bandwidth and low delay, it also needs to have high reliability. [0003] The existing technology usually adopts the retransmission buffer (Buffer) retransmission technology to ensure the high reliability of the interconnection interface. figure 1 It is a schematic...

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Application Information

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IPC IPC(8): H04L12/707H04L12/24H04L45/24H04L45/28H04L45/74
CPCH04L45/28H04L45/22H04L1/22H04L1/189H04L1/1874H04L45/74H04L1/18
Inventor 于东浩贺成洪刘勇
Owner HUAWEI TECH CO LTD
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