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Cube connected Mobius ladders: an inherently deadlock-free fixed degree network

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2 Author(s)
Pritchard, D.J. ; Dept. of Comput., Liverpool Univ., UK ; Nicole, D.A.

The authors introduce a multiprocessor interconnection network, known as cube-connected Mobius ladders, which has an inherently deadlock-free routing strategy and hence has none of the buffering and computational overhead required by deadlock-avoidance message passing algorithms. The basic network has a diameter φ of 4n-1 for n2n+2 nodes and has a fixed node degree of 4. The network can be interval routed in two stages and can be represented as a Cayley graph. This is the only practical fixed degree topology of size O(2φ) which has an inherently deadlock-free routing strategy, making it ideally suited for medium and large sized transputer networks

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Parallel and Distributed Systems, IEEE Transactions on  (Volume:4 ,  Issue: 1 )