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Multicast routing algorithms for 3-stage Clos ATM switching networks

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1 Author(s)
Liew, S.C. ; Bellcore, Morristown, NJ, USA

The author investigates the general problem of multicast routing in the three-stage Clos switching network, with point-to-point routing as a special case. An optimal and a heuristic algorithm have been designed and tested. The results show that the heuristic algorithm can find multicast routes that are close to optimal within a response time that is significantly lower than that of the optimal algorithm. Further analysis of the experimental data suggests a hybrid implementation in which the optimal and heuristic algorithms are run in parallel with a set time limit. The algorithms and the discussion provided also apply to other networks, including wide-area communication networks, with a two-hop structure

Published in:

Global Telecommunications Conference, 1991. GLOBECOM '91. 'Countdown to the New Millennium. Featuring a Mini-Theme on: Personal Communications Services

Date of Conference:

2-5 Dec 1991