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PWWFA: The Parallel Wrapped Wave Front Arbiter for Large Switches

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3 Author(s)
Wladek Olesinski ; Sun Microsystems Laboratories, 16 Network Circle, Menlo Park, CA 94025, USA; e-mail: wladek.olesinski@sun.com ; Hans Eberle ; Nils Gura

Large, fast switches require novel approaches for scheduling. Arbiters must be able to keep up with the high switching rates given by multi-gigabit-per-second link rates and short cells. In this paper, we propose the Parallel Wrapped Wave Front Arbiter (PWWFA). We analyze its performance, present simulation results, discuss its implementation, and show bow this scheme can be applied in a large switch with multi-terabit-per-second throughput and hundreds of ports.

Published in:

2007 Workshop on High Performance Switching and Routing

Date of Conference:

May 30 2007-June 1 2007