New results for path-based shared protection and link-based Hamiltonian cycle protection in survivable WDM networks

被引：5

作者：

Guo, Lei ^{[1
,2
]}

Wang, Xingwei ^{[1
]}

Zheng, Xiaobing ^{[1
]}

Zhang, Yu ^{[1
]}

Wang, Xuekui ^{[1
]}

机构：

[1] Northeastern Univ, Coll Informat Sci & Engn, Shenyang 110004, Peoples R China

[2] Univ Elect Sci & Technol China, Key Lab Broadband Opt Fiber Transmiss & Commun Ne, Chengdu 610054, Peoples R China

来源：

PHOTONIC NETWORK COMMUNICATIONS | 2008年 / 16卷 / 03期

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

survivability; path protection; link protection; Hamiltonian cycle; resources utilization ratio; recovery time;

D O I：

10.1007/s11107-008-0136-z

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 study the path-based shared protection (PBSP) and the link-based Hamiltonian cycle protection (LBHCP) schemes for tolerating single-link failures in survivable wavelength-division-multiplexing networks. Although previous work indicated that PBSP can perform better than link-based shared protection including the case of LBHCP, from theoretical analysis and simulation results in this paper, we can clearly see that this indication of previous work is not suitable for LBHCP since it can have a better resource utilization ratio and a faster recovery time than PBSP. Therefore, the new result of this paper is a modification for the previous inaccurate idea and it also can well guide future work of researchers.

引用

页码：245 / 252

页数：8

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