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A Scalable Feedback-Based UPC-Parameters Renegotiation Scheme

Safiullah Faizullah 1 and Arshad M. Shaikh 2
1. Hewlett-Packard, Piscataway, NJ, USA
2. Isra University, Hyderabad, Pakistan
Abstract—In QoS-enabled network, for example ATM, connections which exhibit rapidly changing traffic characteristics, renegotiating the bandwidth requirements becomes inevitable. The sender initiates renegotiation whenever bandwidth requirements change. If the newly requested bandwidth is not granted, the sender keeps on invoking the follow-up renegotiations with some frequency. Polling the network too often results in huge overhead traffic and a decrease in the throughput. While invoking follow-ups too infrequently results in the under-utilization of the network. Predicting an optimal follow-up rate is a hard problem. We have earlier proposed a Feedback Based UPC-Parameters Renegotiation Protocol for ATM networks which resolves this problem. In in this paper with simulation results we show that the proposed protocol is scalable and reliable.

Index Terms—scalable, QoS, UPC, UPC-parameters, renegotiation, feedback-based, ATM, VBR, reliable, advertisement

Cite: Safiullah Faizullah and Arshad M. Shaikh, "A Scalable Feedback-Based UPC-Parameters Renegotiation Scheme," International Journal of Signal Processing Systems, Vol. 1, No. 2, pp. 302-306, December 2013. doi: 10.12720/ijsps.1.2.302-306
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