Waveband routing on logical topologies constructed over a ring network

Aggregation of individual wavelengths into wavebands for their subsequent switching and routing as a single group is an attractive way for scalable and cost-efficient routing in optical networks. Our objective is to minimize the switching cost by employing a waveband hierarchy subject to physical co...

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Vydáno v:HPSR 2004 : 2004 Workshop on High Performance Switching and Routing : Phoenix, Arizona, U.S.A., April 19-21, 2004 s. 126 - 133
Hlavní autoři: Ganguly, S., Varsou, A.C., Izmailov, R.
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: New York, NY IEEE 2004
Témata:
Applied sciences
Costs
Exact sciences and technology
National electric code
Network topology
Optical fiber networks
Optical network units
Optical switches
Passive optical networks
Scalability
Stimulated emission
Switching and signalling
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Wavelength routing
Performance evaluation
Heuristic method
Network routing
Telecommunication network
Linear programming
Topology
Ring network
ISBN:9780780383753, 0780383753
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Popis
Shrnutí:Aggregation of individual wavelengths into wavebands for their subsequent switching and routing as a single group is an attractive way for scalable and cost-efficient routing in optical networks. Our objective is to minimize the switching cost by employing a waveband hierarchy subject to physical constraints. To that extent, we establish the equivalence between the waveband routing/assignment problem and the logical topology design problem. We provide a general model for logical topology design using an integer linear programming formulation. We propose a heuristic-based algorithm for the case of ring networks and use extensive simulation results to describe the performance of this algorithm towards our general goal of minimizing the switching cost.
ISBN:9780780383753
0780383753
DOI:10.1109/HPSR.2004.1303447