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This paper studies the protection problem of pre-configuration cycles (p-cycles) in survivable mesh networks. A new algorithm called local-map-based finding p-cycles algorithm (LFCA) is proposed to find the candidate p-cycles. The major difference between the previous algorithms of finding cycles and LFCA is that LFCA can find node-encircling p-cycles and some special link p-cycles which must contain...
Telecommunication networks spanning large areas are subject to various failures. A survivable network provisioning scheme addressing multiple levels of network failures, especially disaster failures which may take out many network components, is desirable in the future Internet. In this study, we propose and investigate the characteristics of a multistate multipath provisioning scheme for telecom...
The high capacity of fibers used in optical networks, can be divided into many channels, using the WDM technology. Any damage to a fiber causes all the channels routed through this link to be broken, which may result in a serious amount of data loss. As a solution to this problem, the virtual layer can be mapped onto the physical topology, such that, a failure on any physical link does not disconnect...
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