Flexible Bandwidth Allocation in Filterless Optical Networks

被引：18

作者：

Xu, Zhenyu ^{[1
]}

Tremblay, Christine ^{[1
]}

Archambault, Emile ^{[2
]}

Furdek, Marija ^{[3
]}

Chen, Jiajia ^{[3
]}

Wosinska, Lena ^{[3
]}

Belanger, Michel P. ^{[4
]}

Littlewood, Paul ^{[4
]}

机构：

[1] Ecole Technol Super, Dept Elect Engn, Montreal, PQ H3C 1K3, Canada

[2] Cegep Reg Lanaudiere, Joliette, PQ J6E 4T1, Canada

[3] KTH Royal Inst Technol, S-16440 Kista, Sweden

[4] Ciena Corp, Ottawa, ON K2H 8E9, Canada

来源：

IEEE COMMUNICATIONS LETTERS | 2015年 / 19卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Elastic optical networking; filterless networks; flexible grid; routing and spectrum assignment (RSA); WDM; LAYER;

D O I：

10.1109/LCOMM.2015.2394401

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

We introduce the new concept of an elastic filterless optical network and propose an efficient heuristic algorithm for solving the static routing and spectrum assignment problem. Our simulation results obtained for different network topologies under multi-period traffic show increasing bandwidth savings with the growth of traffic load compared to a fixed-grid scenario. We also show the benefits of periodical spectrum defragmentation.

引用

页码：565 / 568

页数：4

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