Abrupt development of resources and rising expenses of infrastructure are leading
institutions to take on cloud computing. Albeit, the cloud environment is vulnerable to various …

Virtualization is an essential step before a bare-metal data center being ready for
commercial usage, because it bridges the foreground interface for cloud tenants and the …

Cloud computing platform provides on-demand IT services to users and advanced the
technology. The purpose of virtualization is to improve the utilization of resources and …

With the rapid development of cloud computing, more and more complicated services are
deployed on the cloud. The frequent communication between services places a great …

Bandwidth guarantees and work conservation are the two most desirable properties for multi-
tenant datacenters, which are the key to providing predictable performance for tenants' …

To predict lower bounds on the performance of applications, the cloud should provide
guarantees on bandwidth that each virtual machine can obtain. By competing for spare …

This thesis covers two types of contributions: formulation of network optimization problems
and algorithms to solve these optimization problems. We propose resource assignment …

L'informatique en nuage est un nouveau paradigme qui fait référence à la mise en
disposition des ressources d'une infrastructure informatique permettant de présenter un …