Mapeamento de Redes Virtuais em Substratos de Rede

Gustavo P. AlkmimDaniel M. BatistaNelson L. S. da Fonseca

Network virtualization is a promising technique for building the FutureInternet since it allows the introduction of new functionalities at networkelements at low costs. To this aim, an open issue is the problem of efficient mappingof virtual network elements to those of the physical (real) network (alsocalled network substrate). Such type of problem is NP-hard and existing solutionsignore a series of real network characteristics in order to solve the problemin reasonable time frames. This paper introduces two algorithm for the problemof mapping virtual networks on network substrates considering a set of networkparameters which has not been considered before and which makes the solutionmore realistic.

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