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Load-balancing in Clos-like packet switches with distributed cross-point queues

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3 Author(s)
Taebi, S. ; Centre for Res. in Photonics, Ottawa Univ., Ont., Canada ; Paredes, S.A. ; Hall, T.J.

Packet switches may be scaled by spreading the traffic across packet switch elements that effectively operate in parallel. This can introduce mis-sequencing of packets within a flow, which is undesirable and degrades network performance. Most solutions require impractical complex central schedulers. We have conceived an architecture and method for load-balancing without mis-sequencing that builds on earlier research of Clos-like packet switches that are suitable for implementation in hybrid electronic/photonic technology. The architecture involves no central schedulers and is implemented by distributing cross-point queues over all elements of the switch and deploying pollers to select the queues to be served.

Published in:

High Performance Switching and Routing, 2005. HPSR. 2005 Workshop on

Date of Conference:

12-14 May 2005