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In this paper, we focus on the design of the fault-tolerant routing algorithm for the (n,k)-star graph. We apply the idea of collecting the limited global information used for routing on the n-star graph to the (n,k)-star graph. First, we build the probabilistic safety vector (PSV) with modified cycle patterns. Then, our routing algorithm decides the fault-free routing path with the help of PSV. The...
The recursive dual-net is a newly proposed interconnection network for of massive parallel computers. The recursive dual-net is based on a recursive dual-construction of a base network. A k-level dual-construction for k > 0 creates a network containing (2n0)2k nodes with node-degree d0 + k, where no and do are the number of nodes and the node-degree of the base network, respectively. The recursive...
Fault tolerance is one of the most dominant issues facing the design of interconnection networks for large-scale multiprocessor architectures. This paper proposes a new fault tolerant routing approach for wormhole torus network. The proposed algorithm provides enough adaptability so that it is always connected as long as fault regions do not disconnect the network. In spite of the variety of fault...
The Network-on-Chip (NoC) meshes are limited by the reliability constraint, which impels us to exploit the fault tolerant routing. Particularly, one of the main design issues is minimizing the loss of non-faulty routers at the presence of faults. To address that problem, we propose a new fault tolerant routing, which has the following two distinct advantages: First, it keeps a network deadlock-free...
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