Fault isolation and handling in a packet switching network

Details Fault isolation and handling in a packet switching network Fault isolation and handling in a packet switching network

2006-03-31

2010-10-26

Ngo, Ricky (Department: 2464)

Multiplex communications

Fault recovery

Bypass an inoperative switch or inoperative element of a...

C370S225000, C370S395310, C714S746000

Reexamination Certificate

active

07821922

ABSTRACT:
A packet switching network having a plurality of nodes and a network having: a plurality of switches couples to the nodes and links interconnecting ports of the plurality of switches. Each one of the switches has a normal routing table for routing packets from a source one of the nodes to a destination one of the nodes through the network in according to the normal routing table and, for, upon such upon such source one of the nodes detecting a fault in transmission of such packet, routing such to a predetermined designated fault one of the ports of such switch.

REFERENCES:
patent: 6487208 (2002-11-01), Chirashnya et al.
patent: 6981174 (2005-12-01), Hanning
patent: 7434088 (2008-10-01), Gale et al.
patent: 2003/0231633 (2003-12-01), Aramizu et al.
patent: 2007/0025328 (2007-02-01), Cohen et al.
patent: 2007/0053283 (2007-03-01), Bidwell et al.

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