Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2011-08-30
2011-08-30
Shah, Chirag G (Department: 2477)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
Reexamination Certificate
active
08009683
ABSTRACT:
There is provided an IP network system. The IP network system includes: a plurality of relays making up a ring network; a source host for transmitting a packet and connected to the ring network; and a destination host which conducts a packet communication with the source host through the ring network. Each of the relays is operable to transfer received packets containing a transfer direction information to the destination host through a right-handed route of the ring network and through a left-handed route of the ring network, based on the transfer direction information.
REFERENCES:
patent: 6222848 (2001-04-01), Hayward et al.
patent: 2003/0227919 (2003-12-01), Zelig et al.
patent: 2005-218112 (2005-08-01), None
patent: 2005-218112 (2005-08-01), None
Akisada Yukiyo
Endo Hiroki
Endo Masahito
Hosoya Kensuke
Miyata Hiroshi
Shah Chirag G
Sughrue & Mion, PLLC
Thompson, Jr. Otis L
Yokogawa Electric Corporation
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