Performance analysis of a limited number of wavelength converters in an optical switching node

被引：10
|
作者：
Li, HL [1 ]
Thng, ILJ [1 ]
机构：
[1] Natl Univ Singapore, Elect Comp Engn Dept, Singapore 119260, Singapore
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 05期
关键词：
optical burst switching (OBS); optical packet switching (OPS); optical switching (OS); share-per-fiber (SPF); wavelength conversion; wavelength routed networks;
D O I：
10.1109/LPT.2005.845663
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：
In this letter, we present studies of an optical switching (OS) node utilizing a limited number of wavelength converters (WCs). The study stems from practical observation that WCs are expensive. Consequently, each output wavelength may not necessarily have its own WC and has to share a limited pool of WCs with other output wavelengths. In order to improve the utilization of the limited number of WCs, a share-per-fiber (SPF) mode is proposed for the OS node. Subsequently, a two-dimensional Markov chain model of SPF is presented to evaluate its performance. Numerical results are presented to verify the accuracy of the analytical model.
引用
收藏
页码：1130 / 1132
页数：3
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