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A large variety of resilience mechanisms are known today. However, often the used resilience mechanisms are not adapted to the network operator’s and customer’s needs. For this, a detailed analysis and a comparison of resilience mechanisms and capacity requirements is needed. In this paper we analyze the capacity requirements of three widely used shared path protection mechanisms with each other:...
Presents a 130-slide tutorial on Carrier Ethernet Transport (CET). CET is not a single technology but a multilayer network architecture. It enables predictable packet transport networks and combines flexible electronic packet layer with cost-efficient optical layer. CET provides efficient multilayer traffic engineering (IP, Ethernet, NG-SDH/SONET, OTH/WDM)along with eEfficient end-to-end Quality of...
Multi-topology routing is a new strategy to provide traffic-engineering and resilience in IP networks. In case of network failures, affected traffic demands are routed in intact sub-topologies for which the routing information is predetermined. This paper investigates an optimal design of the topologies with respect to a shortest path protection routing. We formulate mathematical programs for global...
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