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Performance Optimization of Mean Response Time in a Tandem Router Network with Batch Arrivals

Nalan Gulpinar, Peter G. Harrison, Berc Rustem, Louis-François Pau

Conference or Workshop Paper
10th IEEE/IFIP Network Operations and Management Symposium, 2006 (NOMS 2006)
March, 2006
DOI 10.1109/NOMS.2006.1687629

In this paper we consider an M/G/1 queue-based analytical model. The end-to-end performance of a tandem wireless router network with batch arrivals is optimized. The mean of the transmission delay (or 'response time') is minimized subject to an upper limit on the rate of losses and finite capacity queueing and recovery buffers. The optimal ratio of arrival-buffer size to recovery-buffer size is determined, which is a critical quantity, affecting both loss rate and transmission time. The impact of the retransmission probability is investigated: too high a value leads to congestion and so higher response times, too low and packets are lost forever, yielding a different penalty.

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