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Networks-on-Chip, International Symposium on (2007)
Princeton, New Jersey
May 7, 2007 to May 9, 2007
ISBN: 0-7695-2773-6
pp: 283-294
Daniel Greenfield , University of Cambridge, UK
Arnab Banerjee , University of Cambridge, UK
Jeong-Gun Lee , University of Cambridge, UK
Simon Moore , University of Cambridge, UK
Rent?s rule is a powerful tool for exploring VLSI design and technology scaling issues. This paper applies the principles of Rent?s rule to the analysis of Networks-on-chip (NoC). In particular, a bandwidth-version of Rent?s Rule is derived, and its implications for future NoC scaling examined. Hop-length distributions for Rent?s and other traffic models are then applied to analyse NoC router activity. For fault-tolerant design, a new type of router is proposed based on this analysis, and it is evaluated for routability and its impact on congestion by further use of the hop-length distributions. It is shown that the choice of traffic model has a significant impact on scaling behaviour, design and fault-tolerant analysis.

D. Greenfield, J. Lee, A. Banerjee and S. Moore, "Implications of Rent's Rule for NoC Design and Its Fault-Tolerance," 2007 International Symposium on Networks-on-Chip(NOCS), Princeton, NJ, 2007, pp. 283-294.
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