Design of a novel XT-aware energy and spectrum efficient RSCA scheme in offline SDM-EON

被引：8

作者：

Halder, Joy ^{[1
]}

Paira, Smita ^{[1
]}

Acharya, Tamaghna ^{[1
]}

Bhattacharya, Uma ^{[1
]}

机构：

[1] Indian Inst Engn Sci & Technol, Sibpur 711103, Howrah, India

来源：

OPTICAL FIBER TECHNOLOGY | 2021年 / 63卷

关键词：

SDM-EON; Crosstalk; Power consumption; Spectrum utilization; MILP; Genetic algorithm; ELASTIC OPTICAL NETWORKS; RESOURCE-ALLOCATION; CROSSTALK-AWARE; ASSIGNMENT;

D O I：

10.1016/j.yofte.2021.102502

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes a methodology E-S-RSCA to integrate energy efficiency with spectrum efficient design of crosstalk aware routing, spectrum and core assignment (RSCA) schemes for offline traffic in space division multiplexed elastic optical network (SDM-EON) while allocating traffic in selected multiple cores in SDM-EON. Mixed Integer Linear Programming (MILP) model has been formulated for the scheme. The offline RSCA being an NP-hard problem is intractable in nature and a heuristic algorithm with polynomial run time complexity is developed. Simulation study of E-S-RSCA vis-`a-vis MILP establishes near optimal performance of the heuristic. We also propose a spectrum efficient scheme S-RSCA in order to validate energy efficiency of E-S-RSCA. The scheme E-S-RSCA is compared with S-RSCA and also an existing work ex-S-RSCA (which allocates spectrum in selected single core of SDM-EON). It is observed that (i) E-S-RSCA consumes least energy due to its energy awareness and (ii) both the heuristics E-S-RSCA and S-RSCA (due to their multi-core allocation based approach) outperform ex-S-RSCA in terms of spectrum efficiency.

引用

页数：13

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