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This paper addresses the problem of reducing congestion during logical topology design in de Bruijn WDM networks that can withstand the failure of a single physical link. Survivable routing of a logical topology ensures that the lightpaths are routed in a way that a single link failure does not disconnect the network. Survivable routing of the logical topology demands setting up of additional lightpaths...
We study the problem of reliably provisioning traffic using multipath routing in a mesh network. Traditional approaches handled reliability requirements using full-protection schemes. Although full-protection approaches offer high assurance, this assurance can be costly. We take a less expensive approach to maintain reliability by offering partial-protection. Specifically, our approach guarantees...
In this paper, we propose a new heuristic algorithm, protection based on survivable integrated auxiliary graph (PSIAG), to tolerate the single-link failure in waveband switching optical networks. The survivable integrated auxiliary graph (SIAG) contains single virtual topology layer and multiple waveband-plane layers, and it can well solve the routing and waveband assignment. In PSIAG, we can well...
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