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— This paper addresses the problem of traffic grooming in WDM rings in which all traffic emanates from a single node and all other nodes are destination nodes. This " one-to-many " scenario arises in metropolitan access networks in which one node serves as a " hub " connecting the ring to a larger network as well as in video-on-demand and other multimedia(More)
Microprocessor core counts are on a trajectory such that for many applications the microprocessor will soon be over-provisioned for computation with respect to off-chip communication and memory system capabilities. In the absence of strategies to exploit intra-chip communication, performance of even simple benchmarks is noticeably impacted by co-scheduling(More)
This paper presents the basis of PDIL, a language designed for specifying protocols and services and allowing automatic implementation. The main objectives of the language are unambiguous description, simulation and automatic implementation. The first part presents the objects that PDIL allows to manipulate : machines, channels, contexts, automata,(More)
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