Efficient tree construction for the multicast problem
Di Fatta, G. and Lo Re, G. (1999) Efficient tree construction for the multicast problem. Journal of the Brazilian Telecommunications : Revista da Sociedade Brasileira de Telecomunicações, 14 (1). pp. 22-29. ISSN 0102-986X
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Official URL: http://iecom.dee.ufcg.edu.br/~jcis/Junho%201999/in...
A new heuristic for the Steiner minimal tree problem is presented. The method described is based on the detection of particular sets of nodes in networks, the “hot spot” sets, which are used to obtain better approximations of the optimal solutions. An algorithm is also proposed which is capable of improving the solutions obtained by classical heuristics, by means of a stirring process of the nodes in solution trees. Classical heuristics and an enumerative method are used as comparison terms in the experimental analysis which demonstrates the capability of the heuristic discussed
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