IT infrastructures are rapidly growing due to the increased demand for computing power
used by applications. Furthermore, modern cloud data centers are hosting various advanced …

Cloud Computing is a novel paradigm which offers large-scale resources and services
through the Internet. These services are supported by huge data centers with thousands of …

Distributed computing workflow is an effective paradigm to express a range of applications
with cloud computing platforms for scientific research explorations. One of the most difficult …

Scientific and business application workflows modeled as directed acyclic graphs represent
the complex computational problems, which are to be executed in distributed computing …

Infrastructure as a service (IaaS) clouds offer huge opportunities to solve large-scale
scientific problems. Executing workflows in such environments can be expensive in time if …

When running workflows in the cloud it is appealing to use spot instances that can be
acquired at a fraction of the cost of on-demand instances. Unfortunately, spot instances can …

Cloud computing is an emerging technology in a distributed environment with a collection of
large-scale heterogeneous systems. One of the challenging issues in the cloud data center …

Cloud-based workflow systems is a platform which can be embedded in a cloud computing
infrastructure. Virtual machine has the ability to run multi-tasks simultaneously and time …

The cloud computing paradigm is featured by its ability to offer elastic computational
resource provisioning patterns and deliver on-demand and versatile services. It's thus …

In recent years, due the advantages of on-demand resource provisioning and pay-as-you-go
billing model, IaaS clouds are becoming more and more popular for performing large-scale …