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Cloud computing has been widely used to provide services such as search, social networks, and distributed storage systems. Data centers are built to support the requests of cloud applications which generally adopt multi-layer partition/aggregation workflow pattern. In this multi-hop environment with dual-homed topology, the aggregator needs to wait for all responses from the works to generate final...
In this paper, we propose a new algorithm, Waveband Routing with Layered Auxiliary Graph (WRLAG), to perform the inter-domain and intra-domain routing in multi-domain optical networks. We present the Layered Auxiliary Graph (LAG) that includes one virtual topology layer and multiple waveband-plane layers to compute a single-hop, or multi-hop or hybrid waveband route for each request based on the sub-path...
This paper proposes two protection algorithms, Segment-Based Protection (SBP) and Path-Based Protection (PBP), in fault-tolerant multi-domain optical networks to support waveband grouping with the layered auxiliary graph concept. To the best of our knowledge, this paper is the first study to achieve the fault-tolerance and waveband switching in multi-domain optical networks. Simulation results show...
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