Abstract

Wavelength-switched optical networks, such as MONET, potentially offer high capacity networking at lower cost than current electronically switched networks. The erbium-doped fiber amplifiers (EDFA’s) in the nodes and repeaters of such networks will each be traversed by multiple signal channels following diverse routes. The number of channels traversing an amplifier may change either because of network reconfigurations or faults which interrupt some channels. In order to maintain the quality of service found in current networks, the service on surviving channels, those which share an amplifier with the channels directly affected by the fault or reconfiguration, must not be compromised by any such failure or reconfiguration of the other channels.

© 1996 Optical Society of America

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