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The branch and bound algorithm for a backup virtual path assignment in survivable atm networks
International Journal of Applied Mathematics and Computer Science, Tome 12 (2002) no. 2, pp. 257-267 Cet article a éte moissonné depuis la source Library of Science

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Issues of network survivability are important, since users of computer networks should be provided with some guarantees of data delivery. A large amount of data may be lost in high-speed Asynchronous Transfer Mode (ATM) due to a network failure and cause significant economic loses. This paper addresses problems of network survivability. The characteristics of virtual paths and their influence on network restoration are examined. A new problem of Backup Virtual Path Routing is presented for the local-destination rerouting strategy. The function of the flow lost due to a failure of a single link is chosen as the performance index. The problem of finding the optimal virtual path assignment is NP-complete. Therefore we develop an exact algorithm based on the branch and bound approach. Moreover, two heuristic algorithms are proposed. Numerical results are presented.
Keywords: survivable networks, ATM, branch and bound algorithm
Mots-clés : automatyka 
@article{IJAMCS_2002_12_2_a11,
     author = {Walkowiak, K.},
     title = {The branch and bound algorithm for a backup virtual path assignment in survivable atm networks},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {257--267},
     year = {2002},
     volume = {12},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2002_12_2_a11/}
}
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Walkowiak, K. The branch and bound algorithm for a backup virtual path assignment in survivable atm networks. International Journal of Applied Mathematics and Computer Science, Tome 12 (2002) no. 2, pp. 257-267. http://geodesic.mathdoc.fr/item/IJAMCS_2002_12_2_a11/