Message transmission method, device and interconnection interface

A technology of message transmission and message, applied in the field of communication, can solve the problems of system hang, unable to guarantee the reliability of interconnected system, etc.

CN103957155BActive Publication Date: 2018-01-23HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2018-01-23

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Abstract

Embodiments of the present invention provide a message transmission method, device, and interconnection interface. The method includes: the sending node judges whether an unrecoverable fault occurs on the active link, and if an unrecoverable fault occurs on the active link, the At least one backup link other than the active link is selected in the path to send the message to the receiving node, so that the receiving node sends the message to the receiving end of the active link. In this method, for two nodes communicating through multiple Links in the interconnection system, when it is determined that some of the Links have an unrecoverable failure, the message in the cache buffer of the sender in the unrecoverable link is retransmitted Send to the backup link, so that the backup link sends these messages to the receiving end of the unrecoverable link, which greatly improves the ability of the interconnection system to resist unexpected abnormal situations and ensures the high reliability of the interconnection system.
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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...

Examples

Embodiment Construction

[0083] 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 making creative efforts belong to 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 the nodes are connected through an interconnection interface, where the interconnection interface can be, for example, a parallel converter (Serializer / Deserializer, SerDes) interface, source synchronous Interfac...