Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2006-10-31
2006-10-31
Ngo, Ricky Q. (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S466000, C370S467000
Reexamination Certificate
active
07130307
ABSTRACT:
A plurality of relay apparatuses are provided within an IP network of an ISP, and these relay apparatuses are connected to each other by logical tunnels. Each relay apparatus determines the type of a destination address at the Layer 2 level from the data loaded from a host device. When the type is for broadcast, the relay apparatus identifies a tunnel as a relay destination from the data contents set in correlation with destination addresses at the Layer 3 level, and transmits the data only to the relevant relay destination tunnel.
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Murai Tomoki
Nakamura Makoto
Fox Jamal A.
Ngo Ricky Q.
The Furukawa Electric Co. Ltd.
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