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SCIENTIA SINICA Informationis, Volume 48 , Issue 8 : 1065-1075(2018) https://doi.org/10.1360/N112017-00129

Holding-time-aware energy-efficient routing algorithm in elastic optical networks

More info
  • ReceivedJun 9, 2017
  • AcceptedDec 27, 2017
  • PublishedFeb 12, 2018

Abstract


Funded by

国家自然科学基金(61275077,61571072)

重庆市科委自然基金(2015jcyjA40024)


References

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  • Figure 1

    Examples of spectrum utilization, (a) without holding times information; (b) with holding times information

  • Figure 2

    (Color online) Spectrum coherence degree calculation. (a) Physical topology; (b) spectrum allocation

  • Figure 3

    Network topologies for verifying algorithms' performance. (a) NSFNET; (b) USNET

  • Figure 4

    (Color online) Comparison of bandwidth blocking rates in different network topologies. (a) NSFNET;protect łinebreak (b) USNET

  • Figure 5

    (Color online) Comparison of bandwidth utilization rates in different network topologies. (a) NSFNET;protect łinebreak (b) USNET

  • Figure 6

    (Color online) Comparison of energy efficiency in different network topologies. (a) NSFNET; (b) USNET

  • Table 1   Services routing information
    Serve Request FSs Route paths
    $R1$ 2 FSs L1, L2
    $R2$ 2 FSs L1, L2, L3
    $R3$ 1 FSs L2, L3
    $R4$ 2 FSs L3
    $R5$ 1 FSs L1, L2
  • Table 2   Transmission rate and power consumption of a transponder for different modulation formats
    Modulation format Modulation level Transmission rate (Gb/s) Power consumption (W)
    BPSK 1 12.5 112.374
    QPSK 2 25 133.416
    8QAM 3 37.5 154.457
    16QAM 4 50 175.498