A programmable routing controller for flexible communications in point-to-point networks

Authors:
Stuart W. Daniel;Jennifer Rexford;James W. Dolter;Kang G. Shin
Affiliations:
-;-;-;-
Venue:
ICCD '95 Proceedings of the 1995 International Conference on Computer Design: VLSI in Computers and Processors
Year:
1995

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Abstract

Modern parallel and distributed applications have a wide range of communication characteristics and performance requirements. This paper presents programmable routing controller (PRC), a custom ASIC that supports flexible network policies to accommodate diverse application requirements. By dedicating a small programmable processor to each incoming link, the PRC can implement wormhole, virtual cut-through, and packet switching, as well as hybrid schemes, under a variety of unicast and multicast routing algorithms. The PRC can support several applications or traffic types simultaneously by implementing multiple routing-switching microcode routines.