Data relay method, its apparatus, and data relay system...

Details Data relay method, its apparatus, and data relay system... Data relay method, its apparatus, and data relay system...

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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