In the context of virtual machines live migration, two strategies called “pre-copy” and “post-copy” have already been presented; but each of these strategies works well only in some circumstances. In this paper, we have a brief presentation of QAVNS and then introduce a new approach which is based on the concept of "informational object", assigning QAVNS-scheme-revision number, and observing th...

Cloud computing is an evolving paradigm which is becoming an adoptable technology for a variety of applications. However, cloud infrastructures must be able to fulfill application requirements before adopting cloud solutions. Cloud infrastructure providers communicate the characteristics of their services to their customers through Service Level Agreements (SLA). In order for a real-time applic...

With the rapid development of virtualization techniques, cloud data centers allow for cost-effective, flexible, and customizable deployments applications on virtualized infrastructure. Virtual machine (VM) placement aims to assign each virtual a server in environment. VM Placement is paramount importance design centers. Typically, involves complex relations multiple factors as well local polici...