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On the performance of a dual round-robin switch

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3 Author(s)
Yihan Li ; Dept. of Electr. Eng., Polytech. Univ., Brooklyn, NY, USA ; S. Panwar ; H. J. Chao

The dual round-robin matching (DRRM) switch has a scalable, low complexity architecture which allows for an aggregate bandwidth exceeding 1 Tb/s using current CMOS technology. In this paper we prove that the DRRM switch can achieve 100% throughput under i.i.d. and uniform traffic. The DRRM is the first practical matching scheme for which this property has been proved. The performance of the DRRM switch is then studied and compared with the iSLIP switch. The delay performance under uniform traffic and the hot-spot throughput of DRRM is better than that of iSLIP, while the throughput of iSLIP under some nonuniform traffic scenarios is slightly higher than that of DRRM. Since throughput drops below 100%, under nonuniform traffic, we also examine some variations of the DRRM matching scheme for nonuniform traffic

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INFOCOM 2001. Twentieth Annual Joint Conference of the IEEE Computer and Communications Societies. Proceedings. IEEE  (Volume:3 )

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