A New Enhanced Differentiated Services Protection Algorithm in WDM Optical Networks

被引：0
|
作者：
Zheng, Xiaobing [1 ]
Guo, Lei [1 ]
Wang, Xingwei [1 ]
Zhang, Yu [1 ]
Wang, Xuekui [1 ]
机构：
[1] Northeastern Univ, Coll Informat Sci & Engn, Shenyang 110004, Liaoning, Peoples R China
来源：
2008 ISECS INTERNATIONAL COLLOQUIUM ON COMPUTING, COMMUNICATION, CONTROL, AND MANAGEMENT, VOL 1, PROCEEDINGS | 2008年
关键词：
D O I：
10.1109/CCCM.2008.326
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we propose a new algorithm, Enhanced Differentiated Services Protection (EDSP), to satisfy the multiple services grades under multi-link failures in WDM optical networks. We consider three services grades, i.e., Diamond grade, Golden grade and Economy grade. For demand with Economy grade, EDSP only computes a primary path and does not consider protection. For demand with Golden grade, EDSP performs the shared protection policy. For demand with Diamond grade, EDSP uses the enhanced shared protection policy. Compared to conventional algorithm, EDSP has better resource utilization ratio, lower blocking probability and higher protection ability. Simulation results are shown to be promising.
引用
收藏
页码：240 / 244
页数：5
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