Spectrum expansion/contraction problem for multipath routing with time-varying traffic on elastic optical networks

Der Rong Din, Yi Fen Wu, Bo Jun Guo, Ching Chen, Pei Jung Wu

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

The spectrum allocated to an end-to-end connection between the source and destination nodes varies dynamically with time (denoted as time-varying traffic). For serving time-varying traffic in an elastic optical network (EON), the spectrum allocated for the connection can be expanded or contracted to meet the traffic requirement. Moreover, using multipath routing scheme can more flexibly utilize spectrum resources than using single-path routing in a dynamic scenario, since it splits a traffic request into multiple small size connections and individually transmitting them through several optical paths. In this paper, the Spectrum Expansion/Contraction Problem (SECP) for multipath routing on EONs with time-varying traffic is studied. The path selecting policy (PSP), expansion and contraction algorithms are proposed and examined through simulations. Simulations show that the proposed algorithms can achieve good results.

原文English
頁(從 - 到)1543-1559
頁數17
期刊Journal of Information Science and Engineering
34
發行號6
DOIs
出版狀態Published - 2018 一月 1

All Science Journal Classification (ASJC) codes

  • Software
  • Human-Computer Interaction
  • Hardware and Architecture
  • Library and Information Sciences
  • Computational Theory and Mathematics

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