Virtualized data centers enable sharing of resources among hosted applications. However, it
is difficult to satisfy service-level objectives (SLOs) of applications on shared infrastructure …

Recent advances in hardware and software virtualization offer unprecedented management
capabilities for the mapping of virtual resources to physical resources. It is highly desirable …

Despite the potential given by the combination of multi-tenancy and virtualization, resource
utilization in today's data centers is still low. We identify three key characteristics of cloud …

Large-scale data centers leverage virtualization technology to achieve excellent resource
utilization, scalability, and high availability. Ideally, the performance of an application …

In a shared virtual computing environment, dynamic load changes as well as different quality
requirements of applications in their lifetime give rise to dynamic and various capacity …

Data centers are often under-utilized due to over-provisioning as well as time-varying
resource demands of typical enterprise applications. One approach to increase resource …

Data centers, as resource providers, are expected to deliver on performance guarantees
while optimizing resource utilization to reduce cost. Virtualization techniques provide the …

Virtualization can provide significant benefits in data centers by enabling dynamic virtual
machine resizing and migration to eliminate hotspots. We present Sandpiper, a system that …

Recent advances in hardware and software virtualization offer unprecedented management
capabilities for the mapping of virtual resources to physical resources. It is highly desirable …

Efficient provisioning of resources is a challenging problem in cloud computing
environments due to its dynamic nature and the need for supporting heterogeneous …