Method and device for selecting a communication path

Details Method and device for selecting a communication path Method and device for selecting a communication path

2005-07-05

2005-07-05

Cuchlinski, Jr., William A. (Department: 2144)

Electrical computers and digital processing systems: multicomput

Computer-to-computer data routing

Alternate path routing

C370S228000, C714S004110

Reexamination Certificate

active

06915350

ABSTRACT:
A method of allocating a protection path in a communication network according to a maximum risk level allowed for affecting both main and protection paths by a single damaging event, is disclosed. The method is directed to ensure that for a required level of protection, derived from a maximum risk level allowed, no segments in the protection path, when taken together with any segment of the main path, presents a risk higher than the maximum risk level allowed.

REFERENCES:
patent: 6848062 (2005-01-01), Desai et al.
patent: 2003/0063613 (2003-04-01), Carpini et al.
Angela Chiu et al.; “Impairments and Other Constraints on Optical Layer Routing”; May 2001; http://search.ietf.org/internet-drafts/draft-ietf-ipo-impairments-02.txt.

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