A novel partition-plane impairment aware routing and spectrum assignment algorithm in mixed line rates elastic optical networks

A novel partition-plane impairment aware routing and spectrum assignment algorithm in mixed line... In mixed line rates elastic optical networks, different line rate signals can coexist on the same fiber. As different line rates coexist in the same fiber, the impairments, especially the cross-phase modulation (XPM), become more and more serious affecting the quality of transmission of signals. Moreover, the spectrum constraints limit the efficient allocation of spectrum resources. In this paper, we propose a novel spectrum Partition-topology Plane impairments aware routing and spectrum assignment algorithm to set up lightpaths for connection requests, therefore decreasing the XPM impairments and increasing spectrum utilization. The proposed algorithm can satisfy the spectrum constraints restriction and avoid the XPM impairment together. The simulation results show that the proposed algorithm can significantly improve the performance of networks in blocking probability and the spectrum efficiency. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photonic Network Communications Springer Journals

A novel partition-plane impairment aware routing and spectrum assignment algorithm in mixed line rates elastic optical networks

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Publisher
Springer US
Copyright
Copyright © 2016 by Springer Science+Business Media New York
Subject
Computer Science; Computer Communication Networks; Electrical Engineering; Characterization and Evaluation of Materials
ISSN
1387-974X
eISSN
1572-8188
D.O.I.
10.1007/s11107-015-0601-4
Publisher site
See Article on Publisher Site

Abstract

In mixed line rates elastic optical networks, different line rate signals can coexist on the same fiber. As different line rates coexist in the same fiber, the impairments, especially the cross-phase modulation (XPM), become more and more serious affecting the quality of transmission of signals. Moreover, the spectrum constraints limit the efficient allocation of spectrum resources. In this paper, we propose a novel spectrum Partition-topology Plane impairments aware routing and spectrum assignment algorithm to set up lightpaths for connection requests, therefore decreasing the XPM impairments and increasing spectrum utilization. The proposed algorithm can satisfy the spectrum constraints restriction and avoid the XPM impairment together. The simulation results show that the proposed algorithm can significantly improve the performance of networks in blocking probability and the spectrum efficiency.

Journal

Photonic Network CommunicationsSpringer Journals

Published: Jan 13, 2016

References

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