Energy-aware virtual network embedding in flexi-grid optical networks

被引：0
|
作者：
Lin, Rongpin [1 ]
Luo, Shan [2 ]
Wang, Haoran [1 ]
Wang, Sheng [1 ]
Chen, Bin [3 ]
机构：
[1] UESTC, Educ Minist China, Key Lab Opt Fiber Sensing & Commun, Chengdu, Sichuan, Peoples R China
[2] UESTC, Sch Astron & Aeronaut, Chengdu, Sichuan, Peoples R China
[3] Shenzhen Univ, Coll Informat Engn, Shenzhen, Peoples R China
来源：
OPTOELECTRONIC DEVICES AND OPTICAL SIGNAL PROCESSING | 2017年 / 10617卷
基金：
中国国家自然科学基金;
关键词：
virtual network embedding; flexi-grid optical network; energy;
D O I：
10.1117/12.2295158
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Virtual network embedding (VNE) problem is to map multiple heterogeneous virtual networks (VN) on a shared substrate network, which mitigate the ossification of the substrate network. Meanwhile, energy efficiency has been widely considered in the network design. In this paper, we aim to solve the energy-aware VNE problem in flexi-grid optical networks. We provide an integer linear programming (ILP) formulation to minimize the power increment of each arriving VN request. We also propose a polynomial-time heuristic algorithm where virtual links are embedded sequentially to keep a reasonable acceptance ratio and maintain a low energy consumption. Numerical results show the functionality of the heuristic algorithm in a 24-node network.
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收藏
页数：8
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