Design of a Packet-Switched WDM Network with Multi-Wavelength Selectivity

Design of a Packet-Switched WDM Network with Multi-Wavelength Selectivity The use of low-speed tunable devices in packet-switched WDM star networks may lead to throughput and delay penalties. We propose (i) a new receiver architecture using multi-wavelength selectivity to eliminate the penalties, and (ii) a corresponding optimal scheduling algorithm for uniform all-to-all transmission. This architecture results in significant cost reduction in comparison with existing pipeline technique. When using a two-wavelength simultaneous selection, our numerical results show that (i) the throughput can increase by 40% in comparison with using a tunable filter alone; (ii) the throughput degradation is 2% in comparison with using two tunable filters in systems using a pipeline technique. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photonic Network Communications Springer Journals

Design of a Packet-Switched WDM Network with Multi-Wavelength Selectivity

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 2001 by Kluwer Academic Publishers
Subject
Computer Science; Computer Communication Networks; Electrical Engineering; Characterization and Evaluation of Materials
ISSN
1387-974X
eISSN
1572-8188
D.O.I.
10.1023/A:1011448014529
Publisher site
See Article on Publisher Site

Abstract

The use of low-speed tunable devices in packet-switched WDM star networks may lead to throughput and delay penalties. We propose (i) a new receiver architecture using multi-wavelength selectivity to eliminate the penalties, and (ii) a corresponding optimal scheduling algorithm for uniform all-to-all transmission. This architecture results in significant cost reduction in comparison with existing pipeline technique. When using a two-wavelength simultaneous selection, our numerical results show that (i) the throughput can increase by 40% in comparison with using a tunable filter alone; (ii) the throughput degradation is 2% in comparison with using two tunable filters in systems using a pipeline technique.

Journal

Photonic Network CommunicationsSpringer Journals

Published: Oct 9, 2004

References

  • Protocols to eliminate tuning penalties for packet-switched WDM star networks with large tuning latency
    Wu, J.-C.; Willner, A. E.; Silvester, J. A.

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