Device and system for multicast communication

Details Device and system for multicast communication Device and system for multicast communication

2003-02-10

2008-10-28

Chan, Wing F. (Department: 2619)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S401000

Reexamination Certificate

active

07443851

ABSTRACT:
A multicast communication device receives data packets multicast for receiving terminals which terminals do not support multicast communication and that are requesting multicast data packets. The multicast communication device then forwards the data packets to the receiving terminals. Communication from the receiving terminal accessing the sending terminal sending data packets to obtain information is monitored. Based on the access contents, a join group request is issued for the group address used by the multicast delivery. The multicast communication device stores service information such as the address of the sending terminal and the destination address of data packets sent by the sending terminal. If the service to be accessed by the receiving terminal is present, multicast delivery of data packets is requested. The multicast communication device forwards received multicast data packets to the receiving terminal.

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patent: 6259701 (2001-07-01), Shur et al.
patent: 7079495 (2006-07-01), Pearce et al.
patent: 2004/0037279 (2004-02-01), Zelig et al.
patent: 2006/0039388 (2006-02-01), Shur et al.
patent: 10-242962 (1998-09-01), None

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