Core Arrangement Based Spectrum-Efficient Path Selection in Core-Continuity Constrained SS-FONs
Core Arrangement Based Spectrum-Efficient Path Selection in Core-Continuity Constrained SS-FONs
复制标题
核心连续性受限 SS-FON 中基于核心排列的频谱有效路径选择
DOI：
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发表时间：
2019
期刊：
影响因子：
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通讯作者：
S. Prakash
中科院分区：
文献类型：
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作者：
A. Agrawal;V. Bhatia;S. Prakash
在这项工作中，我们利用光谱空间灵活的光网络（SS-FONs）的空间维度进行路径选择。现有的SS-FONs中的路径选择方案主要使用k-最短路径（KSP）方法。然而，在这项工作中，我们表明，在SS-FONs，考虑核心选择沿着与源和目的地节点之间的链路选择可以显着提高频谱利用效率。我们提出了一种基于k芯排列的路径（KCAP）方案，该方案根据不同多芯光纤（MCF）结构中的芯排列、阈值串扰（XT）值、距离自适应调制（DAM）和MCF链路数进行路径计算和优先级排序。建议的KCAP实现了更好的频谱利用率比现有的XT感知和预定义的核心优先级方案。
In this work, we exploit the spatial dimension of spectrally-spatially flexible optical networks (SS-FONs) to perform path selection. The existing path selection schemes in SS-FONs predominantly use k-shortest paths (KSP) method. However, in this work, we demonstrate that in SS-FONs, consideration of core selection along with link selection between source and destination nodes can significantly increase the spectrum utilization efficiency. We propose a k-core arrangement based paths (KCAP) scheme that performs path calculation and prioritization on the basis of core arrangement in different multicore fiber (MCF) structures, threshold crosstalk (XT) values, distance adaptive modulation (DAM), and the number of MCF links. The proposed KCAP achieves better spectrum utilization than the existing XT-aware and predefined core-prioritization schemes.