Information relay device and method with multicast protocol conversion function and information network system using the same
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United States of America Patent
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Feb 8, 2005
Grant Date -
N/A
app pub date -
Oct 20, 1999
filing date -
Oct 21, 1998
priority date (Note) -
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Abstract
An information relay device connected between a plurality of logical or physical networks for performing an operation for relay of information between the networks is provided with a transmit/receive processing unit for receiving a general purpose multicast message from one of the plurality of networks and transmitting a multicast message to at least one of the plurality of networks, and a protocol conversion processing unit for converting, in the case where the general purpose multicast message received by the transmit/receive processing unit is a multicast protocol message of a certain level layer, the multicast protocol message of the certain level layer into a multicast protocol message of another level layer.
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