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Nowadays, virtualization is an important technique that offers illimited resources to network users. It allows users to share switch's resources in time and space. Sharing in time is done by scheduling algorithms determining at which moment each input queue is matched with an output queue. Regarding sharing in space, it takes place in the queues which are split into multiple virtual queues. Being...
In the Cloud Computing Context, a virtual Machine (VM) can be migrated from one physical host to a remote physical host while keeping it's address to avoid service discontinuity. The service application is so no more hosted on a particular physical machine but can move from one to other. We define therefore a new mobility context where the services provided by VMs move from one location to another...
The Next Generation Internet is intended to be an IP/WDM network which can be optimized using virtual topology based traffic engineering. In this paper we study the NP-hard Virtual Topology Design (VTD) problem for which we propose a MILP (Mixed Integer Linear Program) formulation with a tradeoff object between saving resources and minimum delay traffic handling. To solve it for large scale backbone...
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