Routing direction determination in regular networks based on configurable circuits

The achieved flexibility is much higher than that of previously reported reconfigurable circuits for the same purpose such as interval routing [R.B. Tan, J. van Leeuwen, Compact routing methods: a survey, in: Proceedings of the Colloquium on Structural Information and Communication Complexity (SICC94), School of Computer Science, Carleton University, Ottawa, 1995, pp. 99-109] or bit-pattern-associative routing [D.H. Summerville, J.G. Delgado-Frias, S. Vassiliadis, A flexible bit-pattern-associative router for interconnection networks, IEEE Transactions on Parallel and Distributed Systems 7 (5) (1996) 477-485]. The proposed circuit extends the domain of application-specific reconfigurable circuits beyond the areas of signal processing and cryptography, where most work is currently done.