Match signals in data switching systems including multiple...

Details Match signals in data switching systems including multiple... Match signals in data switching systems including multiple...

2005-11-08

2005-11-08

Sam, Phirin (Department: 2661)

Multiplex communications

Pathfinding or routing

Through a circuit switch

C370S389000, C370S522000, C370S465000

Reexamination Certificate

active

06963562

ABSTRACT:
A novel method of data packet switching in a data packet switching system having multiple switching devices. The method includes comparing destination address information of a received data packet with current address information maintained in an address table of one of the switching devices, and supplying a match signal to other switching devices when the destination address information matches the current address information. As a result, all other switching devices in the system are informed that the host with the destination address that caused the match signal is not connected to one of their own media ports. The match signal sent to other switching devices in the system is unambiguously associated with the destination address that caused the match. Also, the match signal may uniquely identify the switching device that generates this signal. In response to the match signal, the current address information of the other switching devices in the system may be updated in accordance with the destination address information that caused the match signal to forward traffic with that destination address to the appropriate switching device.

REFERENCES:
patent: 6128294 (2000-10-01), Oura et al.
patent: 6243394 (2001-06-01), Deng
patent: 6459700 (2002-10-01), Hoang
patent: 6643286 (2003-11-01), Kapadia et al.

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