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Analysis of output queued cell switches with random arbitration and generic arrival processes

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1 Author(s)
Elhanany, I. ; Dept. of Electr. & Comput. Eng., Tennessee Univ., Knoxville, TN, USA

The paper presents an analysis of output queued cell switches which are introduced with generic non-uniformly distributed traffic. Random arbitration is employed whereby non-empty queues compete equally for service within each switching interval. In particular, we study the case of two-state Markov-modulated arrivals in which input ports generate bursty streams that are non-uniformly distributed. Under the assumption of a memoryless server, the probability generating function of the interarrival process is utilized to derive closed-form expressions for the queue size distribution. The methodology established forms a flexible tool in determining bounds on the behavior and expected performance of output queued switches under a range of traffic scenarios. The validity of the analytical inference is established through simulation results.

Published in:

Global Telecommunications Conference, 2003. GLOBECOM '03. IEEE  (Volume:7 )

Date of Conference:

1-5 Dec. 2003