Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Junnosuke Wakai0
Shiro Ohtani0
Kazumi Hakuta0
Tomohiro Baba0
Taketoshi Kawashima0
Hirofumi Masukawa0
Hisanori Kimoto0
Date of Patent
December 29, 2009
0Patent Application Number
113491640
Date Filed
February 8, 2006
0Patent Primary Examiner
Patent abstract
When any communication port receives a packet from a network, it transmits the packet to a relay processing section. The relay processing section identifies a relay processing section of a transfer destination according to destination information included in the packet to transmit the packet to a packet switch section. When the relay processing section of the transfer destination is a working relay processing section, the packet switch section transfers the packet to the working relay processing section and a protection relay processing section.
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