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With the increasing popularity of cloud computing, the huge amount of energy consumed by data centers has gained much attention. Current proposals address the energy efficiency problem by two major methods: optimizing the allocation of physical servers and network elements (routers or switches). In order to improve resource utilization and minimize the energy consumption, the former method focuses...
The software defined networking is attracting significant attention from business and private end-users. With characteristic of virtualization and programmability, Service Providers (SPs) can pay for the resources in the term of virtual data centers (VDCs) to deploy their services without maintaining expertise. Despite advantages the new paradigm brings, offering VDCs as a service still faces a new...
It is a challenge to improve utilization of physical resources when allocating resources for virtual data centers (VDCs). In this work we proposed two reliability-aware VDC embedding methods NMP and NMPD. To reduce embedding cost, the proposals try to split VMs into clusters based on topological potential and modularity and assign each cluster to a server. Via simulations, we show that NMP can accept...
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