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A new deadlock-free dynamic routing algorithm is proposed for wormhole-switched network-on-chip. Introducing the concept of multilevel congestion-aware mechanism which conveys more accurate feedback information about network congestion status than the DyAD routing, the proposed algorithm adopt proper routing algorithm to forward packets according to the current congestion level. Simulation results...
The reliability of networks-on-chip can be increased by developing routing algorithms that provide fault tolerance. Distributed routing algorithms are a class of algorithms where the routing decisions are made without knowledge of the global state of the network. The paper presents a distributed routing algorithm, which targets to maximal fault tolerance. Total of 11 different algorithms are analyzed...
Previous methods of making wormhole-routed meshes fault tolerant have been based on adding virtual channels to the networks. This paper proposes an alternative method, one based on the turn model for designing wormhole routing algorithms. The turn model produces routing algorithms that are deadlock free, very adaptive, minimal or nonminimal, and livelock free for direct networks--whether or not they...
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