Survivable embedding of logical topologies in WDM ring networks

被引：10
|
作者：
Lee, HJ [1 ]
Choi, H
Subramaniam, S
Choi, HA
机构：
[1] George Washington Univ, Dept Comp Sci, Washington, DC 20012 USA
[2] George Washington Univ, Dept Comp Sci, Washington, DC 20052 USA
[3] Hallym Univ, Div Informat & Commun Engn, Chunchon, South Korea
[4] George Washington Univ, Dept Elect & Comp Engn, Washington, DC 20052 USA
来源：
INFORMATION SCIENCES | 2003年 / 149卷 / 1-3期
关键词：
D O I：
10.1016/S0020-0255(02)00252-9
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We consider the design of survivable logical topologies over physical WDM ring networks. The logical topology consists of the same set of nodes as the physical topology, and the links of the logical topology are lightpaths in the physical topology. The logical topology is said to be survivable if the failure of any single physical link does not disconnect the logical topology. In this paper, we consider the following problem. Given a logical topology with lightpath end-nodes, route the lightpaths to make the logical topology survivable if possible. Otherwise, determine and embed the minimum number of additional lightpaths to achieve survivability. (C) 2002 Elsevier Science Inc. All rights reserved.
引用
收藏
页码：151 / 160
页数：10
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