Kamil Koltys

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The multicommodity exchange for trading bandwidth commodities in undirected networks, in the form of the BUCBT bandwidth exchange model, is presented. The BUCBT model allows for the most efficient allocations of undirected resources. An associated allocation model is formulated as a multicommodity network flow problem with directed flows. The equivalence of(More)
We consider the resource allocation problem related to Virtual Private Networks (VPNs). VPN provides connections between geographically dispersed endpoints over a shared network. To realize VPN service, sufficient amount of bandwidth of network resources must be reserved for any traffic demand specified by a customer. We assume that there are many customers(More)
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