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Providing Input-Output Throughput Guarantees in a Buffered Crossbar Switch

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3 Author(s)
O'Neill, S. ; Queens University Belfast, UK ; Marshall, A. ; Woods, R.

Space division switching fabrics, like the buffered crossbar, are required to meet the forwarding capacity requirements of Gigabit and Terabit packet switches. These fabrics use fast-operating arbitration algorithms to achieve high utilization under heavy traffic loads. However, Next Generation Network (NGN) switches also need to provide throughput guarantees. A new scheduling system is proposed in this paper that can achieve both of these goals. Primarily, backlogged traffic is serviced in a manner that meets throughput guarantees, after which, the excess capacity is serviced in a manner that achieves high switch utilization.

Published in:

Computers and Communications, 2006. ISCC '06. Proceedings. 11th IEEE Symposium on

Date of Conference:

26-29 June 2006