Method of creating address forwarding table in ethernet ring network
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United States of America Patent
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Issued Date -
Dec 25, 2008
app pub date -
Jan 22, 2008
filing date -
Jun 22, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a method of creating an address forwarding table in an Ethernet ring network. The method includes the steps of: broadcasting, at each Ethernet node, a ring learning frame having information for measuring cost in the frame's payload in both directions; and receiving, at each Ethernet node, two ring learning frames transferred from different Ethernet nodes and recording a ring learning frame containing information having the minimum cost in the Ethernet node's address forwarding table. Accordingly, by creating an intelligent address forwarding table, it is possible to efficiently prevent a loop without conventionally using a closed loop, and to rapidly transfer a frame through an optimal path.
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