A practical perspective in designing mesh networks based on 1 : N self-healing wavelength division multiplexing rings

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A practical perspective in designing mesh networks based on 1 : N self-healing wavelength division multiplexing rings

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Title: A practical perspective in designing mesh networks based on 1 : N self-healing wavelength division multiplexing rings
Author(s):
Fumagalli, Andrea;
Tacca, Marco, 1973-;
Cerutti, Isabella, 1973-;
Masetti-Placci, Francesco;
Jagannathan, Rajesh Shanmugavel, 1971-
Sponsors: Eric Jonsson School of Engineering and Computer Science. Department of Electrical Engineering.
US Army Space and Strategic Defense Command
Date Created: 1999-05
Format: Text
Item Type: Technical report
Keywords: Wavelength division multiplexing
Network performance (Telecommunication)
Mesh networks
Description: "Part of this work is supported by contract # DASG60-97-C-0050 from US Army Space and Strategic Defense Command."
Abstract: A fundamental task of the optical layer in modern telecommunication systems consists of providing a fast protection mechanism against possible faults in the network. A particularly attractive protection technique in the optical layer is the so called shared line protection, in which network lines are protected using shared resources. A previous work of the authors formally describes the problem of minimizing the total wavelength mileage necessary in a Wavelength Routing mesh network to provide shared line protection. However, two practical issues remain to be addressed: the solution feasibility in presence of design constraints and the problem complexity in large size networks. This paper presents an approach to addressing the above two issues based on: 1) an algorithm that identifies a feasible solution with the minimal, possibly null, violation of the design constraints, 2) an intelligent pruning technique of the search space that reduces the complexity of the optimization problem. Using the proposed approach, a study on the total wavelength mileage is carried out for the European network (19 nodes) and the Pan American network (79 nodes) to assess the influence that some design constraints have on this cost function.
Series Title: Technical Report (University of Texas at Dallas. Department of Electrical Engineering.)
Series Number: EE1999-03
Publisher: The University of Texas at Dallas
Persistent Link: http://hdl.handle.net/10735.1/2679
Bibliographic Citation: Fumagalli, A., M. Tacca, I. Cerutti, F. Masetti-Placci and R. S. Jagannathan "A Practical Perspective in Designing Mesh Networks Based on 1 : N Self-Healing Wavelength Division Multiplexing Rings." The University of Texas at Dallas.
Terms of Use: CC BY 3.0 (Attribution)

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CC BY 3.0 (Attribution) Except where otherwise noted, this item's license is described as CC BY 3.0 (Attribution)