Cost-Efficient Virtual Optical Network Embedding for Manageable Inter-Data-Center Connectivity

被引:2
作者
Perello, Jordi [1 ]
Pavon-Marino, Pablo [2 ]
Spadaro, Salvatore [3 ]
机构
[1] Univ Politecn Cataluna, Comp Architecture Dept, Barcelona, Spain
[2] Univ Politecn Cartagena, Dept Informat Technol & Commun, Cartagena, Spain
[3] Univ Politecn Cataluna, Signal Theory & Commun Dept, Barcelona, Spain
关键词
VON embedding; cost-efficiency; MILP;
D O I
10.4218/etrij.13.0212.0271
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
Network virtualization opens the door to novel infrastructure services offering connectivity and node manageability. In this letter; we focus on the cost-efficient embedding of on-demand virtual optical network requests for interconnecting geographically distributed data centers. We present a mixed integer linear programming formulation that introduces flexibility in the virtual-physical node mapping to optimize the usage of the underlying physical resources. Illustrative results show that flexibility in the node mapping can reduce the number of add-drop ports required to serve the offered demands by 40%.
引用
收藏
页码:142 / 145
页数:4
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