System and method for calculating protection routes in a...

Details System and method for calculating protection routes in a... System and method for calculating protection routes in a...

2005-02-22

2005-02-22

Nguyen, Chau (Department: 2663)

Multiplex communications

Fault recovery

Bypass an inoperative station

C370S228000, C370S539000

Reexamination Certificate

active

06859431

ABSTRACT:
A system and method for automatically generating a protection route as an alternative to a working route through a network of switches prior to network failure. A switch selects the proposed protection route so that the protection route is disjoint from the working route. Next, a switch or switches determines whether bandwidth is available for the proposed protection route. If so, the protection route is set-up for activation when needed.

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patent: 6222820 (2001-04-01), Hamami
patent: 6636529 (2003-10-01), Goodman et al.

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