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Reliable optical network design

Emerging optical networks will provide very high bandwidth connections to users. However, improving provisioning times and restoration capabilities after a network failure are important issues in evolving the optical networks. critical problems faced by optical network providers. The application of IP-based protocols to the optical network control plane has opened up new opportunities and challenges for network designers. Although much work has been done on standardization of the relevant protocols, the reliability of optical networks and their control plane needs further investigation. Based on our experience prototyping an IP based control plane, this paper discusses some general requirements and proposed solutions for reliable optical network design from a service and operational perspective. Our experiments suggest that a reliable IP based control plane for fast provisioning and restoration in optical network is feasible with careful design.