Communication system, multicast-capable router, transmitter...

Details Communication system, multicast-capable router, transmitter... Communication system, multicast-capable router, transmitter...

2004-07-07

2009-11-17

Shah, Chirag G (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S432000

Reexamination Certificate

active

07620045

ABSTRACT:
A communication system (1) is provided with URs (20ato20h) and a source terminal (10). The URs (20ato20h) include: entry holders (21ato21h) for holding forwarding addresses; message processors (25) for registering the addresses of other URs, the addresses being associated with a source terminal address and a multicast group address, in the entry holders (21ato21h) as the forwarding addresses; message providers (26) for providing the source terminal address with join request messages which request the addition of the addresses of the URs to sending addresses. The source terminal (10) includes: an entry holder (11) for holding a sending address; and a message processor14for registering the addresses of the URs (20ato20h) in the entry holder11as sending addresses based on the join request messages.

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