Abstract
Four different algorithms are considered for the implementation of RRM ABR services within an ATM switch. The algorithms are inspired by standard techniques in control theory, and are designed aiming at simple implementation in low-cost ATM switches. The four algorithms rely on the periodic measurement of the buffer occupancy, which triggers the congestion detection. ABR feedback to sources can be based on buffer occupancy, on its derivative and integral. The performances of the four algorithms are first compared in a simple scenario, in which 5 greedy TCP connections share a bottleneck link with non-ABR background traffic, in order to obtain a first assessment of their effectiveness. Then a more complex topology, generally known in the literature as ‘parking lot’, is considered. Finally, we concentrate on the best of the four algorithms to study its ability to efficiently control network performances in different scenarios. The study is based on simulation, using the software tool named CLASS.
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© 1997 IFIP Published by Chapman & Hall
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Marsan, M.A., Bianco, A., Lo Cigno, R., Munafò, M. (1997). Four Standard Control Theory Approaches for the Implementation of RRM ABR Services. In: Kouvatsos, D. (eds) ATM Networks. ATM 1996. IFIP Advances in Information and Communication Technology. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35185-8_14
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DOI: https://doi.org/10.1007/978-0-387-35185-8_14
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