Method for traffic protection in WDM fiber optic transport...

Details Method for traffic protection in WDM fiber optic transport... Method for traffic protection in WDM fiber optic transport...

2006-05-30

2006-05-30

Phan, Hanh (Department: 2638)

Optical communications

Multiplex

Optical local area network

C398S079000, C398S003000, C398S005000, C398S007000, C398S013000, C398S014000, C398S017000, C398S010000, C398S045000, C370S224000, C370S244000, C370S249000, C370S222000, C370S235000

Reexamination Certificate

active

07054558

ABSTRACT:
A method for the protection of fiber optic ring-shaped transport networks, the networks including network elements connected by spans, optical paths being installed between the network elements, the method including the steps of providing each network element with information concerning the network architecture; providing each network element with information concerning configuration data of the network elements; providing each network element with information concerning criteria for triggering the mechanism; establishing an information exchange protocol comprising a set of messages and of rules; establishing a traffic rerouting method, wherein the configuration data include the ring map, the traffic map, the wavelength and the bit rate concerning every path.

REFERENCES:
patent: 6205158 (2001-03-01), Martin et al.
patent: 6246667 (2001-06-01), Ballintine et al.
patent: 6643041 (2003-11-01), Ikeda et al.
patent: 6735171 (2004-05-01), Takeguchi
ITU-T G.872 Telecommunications Standardization Sector, Feb. 1999.
ITU-T G.841 International Telecommunication Union, Oct. 1998.

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