Multicast network unit, multicast network system, and...

Details Multicast network unit, multicast network system, and... Multicast network unit, multicast network system, and...

2004-09-24

2009-08-04

Shah, Chirag G (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

Reexamination Certificate

active

07570635

ABSTRACT:
A multicast network system is provided with a multicast network unit that delivers data between independent multicast network domains. The multicast network unit includes an extraction part for extracting a multicast delivery destination address from received data, a holder part for holding conversion data where the multicast delivery destination address corresponds to a delivery source address, and a judgment part for judging whether the multicast delivery destination address is held and outputting the result of a judgment. The multicast network unit also includes a filtering part which, when the result of the judgment is holding, converts the multicast delivery source address to an arbitrary delivery destination address and, when it is non-holding, discards the received data. The multicast network unit further includes a transmitter part for transmitting data containing the converted multicast address to the domain.

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Notice of Ground of Rejection mailed Nov. 18, 2008, from the corresponding Japanese Application.

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