Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2007-12-14
2011-10-11
Ton, Dang (Department: 2475)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S352000, C370S395100, C370S395420
Reexamination Certificate
active
08036237
ABSTRACT:
A transparent routing device disposed within an access network configured in accordance with one or more lower-layer protocols is disclosed herein. The device includes a set of subscriber-side ports. Each of the subscriber-side ports is associated with a plurality of virtual subscriber-side interfaces disposed to effectively terminate a corresponding plurality of subscriber-side connections with subscriber host devices served by the access network. The device further includes at least one network-side port through which communication occurs with an external network in accordance with a higher-layer protocol. A routing table is configured to establish a correspondence between network addresses of the subscriber host devices and the plurality of virtual subscriber-side interfaces. During operation of the device, packets received through the at least one network-side port are forwarded to corresponding ones of the virtual subscriber-side interfaces based upon network addresses of the packets.
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Kolli Raja
Mead Garrett
Reister John
Shaver Christopher J.
Sun Wendell
Kamara Mohamed
Ton Dang
Tut Systems, Inc.
Wiener Stewart M.
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