Design Cost and Spectrum Efficiency Comparison of Fixed-Grid and Flex-Grid Optical Networks with Grooming

被引：0
|
作者：
de Sousa, Amaro [1 ]
Lopes, Carlos Borges [2 ]
Monteiro, Paulo [1 ]
机构：
[1] Univ Aveiro, Inst Telecomunicacoes, P-3800 Aveiro, Portugal
[2] Inst Telecomunicacoes, Aveiro, Portugal
来源：
2014 16TH INTERNATIONAL TELECOMMUNICATIONS NETWORK STRATEGY AND PLANNING SYMPOSIUM (NETWORKS) | 2014年
关键词：
fixed-grid; flex-grid; optical network design; optimization;
D O I：
暂无
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 deals with the design of optical networks aiming to minimize the design cost and the spectrum usage. We present an optimization method that is able to find the optimal solutions of relevant sized instances. We apply the method to realistic case studies. With the obtained solutions, we make a cost and spectrum efficiency comparison analysis between fixed-grid and flex-grid optical networks. The results show that flex-grid gains are significant over the fixed-grid alternatives only after the introduction of 400 Gbps line rates and marginal gains are obtained without this line rate.
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页数：4
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