High-performance techniques for gigabit ATM switching and networking

Kai Y. Eng, Mark J. Karol

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

While ATM offers a potential for tremendous flexibility and new service capabilities for next-generation broadband networking, it also creates challenges in switching and networking not encountered in traditional circuit-switched networks. We address some of these challenges and described four specific high-performance techniques, all interrelated as step-by-step solutions expanding from switch to network designs. Starting with the ATM switch fabric as a key building block for most ATM network elements, we first show how the principle of a Growable Switch Architecture can be used to generate technology-independent designs yielding optimum performance. We then discuss a practical implementation technique called Hierarchical Multiplexing which uses a high-speed core fabric for versatile line interfaces. Expansion of the core fabric is conveniently supported by the Growable Switch Architecture. The third technique is memory sharing which allows an optimal shared use of buffer space in the ATM fabric to minimize cell loss due to fluctuations in traffic statistics. Similarly, the last technique is another resource-sharing approach called line or channel sharing for congestion control in an ATM backbone network. It takes advantage of spare channel capacities to temporarily increase the outputs of congested channels so that the per-channel buffer requirement can be reduced drastically. We present application scenarios for these techniques and demonstrate their high performance with numerical examples.

Original languageEnglish
Title of host publicationIEEE International Conference on Communications
PublisherPubl by IEEE
Pages1673-1678
Number of pages6
ISBN (Print)0780309510
StatePublished - 1993
EventProceedings of the IEEE International Conference on Communications '93 - Geneva, Switz
Duration: 23 May 199326 May 1993

Publication series

NameIEEE International Conference on Communications

Conference

ConferenceProceedings of the IEEE International Conference on Communications '93
CityGeneva, Switz
Period23/05/9326/05/93

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