A Novel Method for Eliminating Duplicated Frames in Ethernet Standard (IEEE 802.3) Networks

摘要

If assumed that each Ethernet standard (IEEE 802.3) node has more than one port connected to the network and the node duplicates each sent frame, then an active or a seamless redundancy will be established because the destination node will receive at least two frame copies with zero recovery time. In this paper, we present a novel method for eliminating the duplicated frames in any Ethernet network type. This will ensure that the destination node will only consume one frame copy from each sent frame and eliminate the other copies. The proposed method will set a counter on each receiving port in the destination node. The destination node will consume the copy that arrives through the fastest path, or in other words, through the port that has the fastest counter value. The proposed method does not need to disable ports as required by rapid spanning tree protocol (RSTP) or the media redundancy protocol (MRP), to avoid looping issues; instead, it activates all ports to provide a type of better traffic distribution among the network links.