System and method for protection of WDM/SONET networks

Details System and method for protection of WDM/SONET networks System and method for protection of WDM/SONET networks

1997-12-04

2000-04-04

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359110, 359124, H04B 1020

Patent

active

060468327

ABSTRACT:
An architecture for mixed SONET/WDM networks using one dedicated protection ring for protection of several WDM links deployed along the same SONET ring by providing optical switching equipment for switching telecommunication traffic from working optical fibers of failed WDM links to protection optical fibers of the dedicated SONET ring selected for that purpose from the plurality of SONET rings of the mixed SONET/WDM network.

REFERENCES:
patent: 5442623 (1995-08-01), Wu
patent: 5647035 (1997-07-01), Cadeddu et al.
patent: 5757768 (1998-05-01), Goto et al.
patent: 5982517 (1999-11-01), Fishman

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