Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2006-06-06
2006-06-06
Ton, Dang T. (Department: 2666)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S400000
Reexamination Certificate
active
07058062
ABSTRACT:
A packet switching system including at least one switching node or local unit each including a label conversion unit for accommodating a plurality of packet circuits and performing conversion into output port information of a switch based on a logic channel on a packet circuit, a self-routing switch for performing switching based on the output port information, and a control unit for terminating a control packet and performing the call processing function. A switching node or tandem unit is provided including at least one self-routing switch for interconnecting the local units. A device is provided for setting, between the tandem unit and a destination-side local unit, the same logic channel as that between an originating-side local unit operative for information transfer and the tandem unit in respect of a call destined for a local unit other than this local unit and a device.
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Amada Eiichi
Gohara Shinobu
Kato Takao
Kuwahara Hiroshi
Ohtsuki Kenichi
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Ton Dang T.
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