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This paper presents an efficient strategy for the optical network redesign with a biconnectivity-oriented topology (both two-connected edge and vertex). Based on the graph theory and previous approaches, it is developed to retain essential network links, improve their utilization, and ensure network reliability and survivability. A new cost-effective network structure is found subject to several important...
Hybrid fibre-VDSL (Very high speed Digital Subscriber Line) access network is one of the most efficient strategies to transfer broadband services to end users. However, the planning of hybrid access networks is a NP-hard problem. During the planning and optimisation approach, the network costs, time delay and reliability have to be taken into account. This paper presents a novel planning tool for...
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