Operating mesh-survivable WDM transport networks

Murari Sridharan; Murti V. Salapaka; Arun K. Somani

doi:10.1117/12.402535

5 October 2000 Operating mesh-survivable WDM transport networks

Murari Sridharan, Murti V. Salapaka, Arun K. Somani

Proceedings Volume 4213, Terabit Optical Networking: Architecture, Control, and Management Issues; (2000) https://doi.org/10.1117/12.402535
Event: Information Technologies 2000, 2000, Boston, MA, United States

Abstract

All-optical networks with wavelength-division multiplexing (WDM) are considered to be a promising technology for next generation transport networks, as they can satisfy the growing bandwidth demand caused primarily due to an explosive growth of web-related services over the Internet. As the traffic demand increases, survivability becomes an indispensable requirement in WDM transport networks. This motivates the need for addressing failure restoration as an integral part of optical network design and operation. To date, the design problems have considered a static traffic demand aimed at optimizing the network capacity and cost, assuming various cost and survivability models. In this paper, we formulate three operational phases viz., initial call setup, medium-term reconfiguration when connections are blocked, and long-term reconfiguration to optimize resource utilization for the existing traffic, as a single Integer Linear Programming (ILP) optimization problem. This integrated framework is an attractive formulation that captures both capacity optimization and service disruption aspect in the problem formulation.

Citation Download Citation

Murari Sridharan, Murti V. Salapaka, and Arun K. Somani "Operating mesh-survivable WDM transport networks", Proc. SPIE 4213, Terabit Optical Networking: Architecture, Control, and Management Issues, (5 October 2000); https://doi.org/10.1117/12.402535

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