Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2006-09-12
2006-09-12
Ferris, Derrick (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S401000
Reexamination Certificate
active
07106735
ABSTRACT:
A multicast packet transfer system includes a first packet transfer apparatus and a second packet transfer apparatus. The first packet transfer apparatus transmits transfer packet data relating to an IP header and a UDP header of a multicast packet when the multicast packet is received, rewrites a header section of the multicast packet to produce a unicast packet, and transmits the unicast packet. The second packet transfer apparatus receives the transfer packet data and the unicast packet, and reproduces the multicast packet based on the received unicast packet and the received transfer packet data.
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Iwata Atsushi
Jibiki Masahiro
Yagyu Tomohiko
Ferris Derrick
NEC Corporation
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