High-availability industrial Ethernet redundancy method
A high-availability, Ethernet technology, applied in the direction of data exchange network, using the return channel for error prevention/detection, data exchange through path configuration, etc., can solve the problems that cannot meet the needs of high-availability industrial Ethernet fault recovery time, etc. , to achieve the effect of simple transformation, compatibility and high availability
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[0057] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0058] In the network redundancy method based on the high-availability industrial Ethernet of the present invention, the high-availability is high-performance fault tolerance, that is, in the case of a link failure, the industrial control network continues to maintain an available state; the high-availability industrial An Ethernet network consists of several dual-connected nodes communicating with each other via communication links; the method consists of the following:
[0059] The inventive method comprises the following steps:
[0060] Add a link redundancy entity on the original data link layer of Ethernet to manage the sending and receiving of Ethernet data frames;
[0061] Set up two network adapter drivers relative to the original protocol stack for managing two network adapter interfaces;
[0062] Connect the dual-connected node including the link ...
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