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Self-healing WDM ring networks with all-optical protection path

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Network survivability is necessary for high-speed optical fiber networks, and investigating cost-effective survivable network architectures continues to be important. The ring architecture has been considered as a cost-effective survivable network architecture due to bandwidth sharing and improved survivability.1,2 A self-healing ring is a network architecture that connects a set of offices in a physical ring topology with bandwidth sharing and a self-healing capability to mitigate network component failures. Several self-healing ring architectures using electronic (SONET) add-drop multi-plexers(ADMs) have been proposed3 for telecommunications use.

© 1992 Optical Society of America

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