ion Levels — SaaS — PaaS — IaaS — Hardware Resources —— With virtualization technology —— Without virtualization technology Roles — Consumer — Provider — Intermediary SLAs — Internal — External

The High Performance Computing (HPC) field is witnessing a widespread adoption of Graphics Processing Units (GPUs) as co-processors for conventional homogeneous clusters. The adoption of prevalent SingleProgram Multiple-Data (SPMD) programming paradigm for GPU-based parallel processing brings in the challenge of resource underutilization, with the asymmetrical processor/co-processor distributio...

The continuous increase of computational power has made viable the implementation of more and more sophisticated virtualization techniques. The use of virtualization in cluster environments to build on-demand computing infrastructures is a recent trend with a great potential. Clusterbased network emulators are a specific class of clusterbased systems whose main purpose is to help researchers ev...

Corporate adoption of new server virtualization technologies offered by VMWare, Microsoft, the open source community (Xen) and others raises both new opportunities and new risks for system security. Security issues of virtualization have received some attention in trade periodicals and journals, but a comprehensive and authoritative understanding of virtualized system security under current mod...

; LO G I N : O c tO b e r 20 0 8 sO L A rI s v I rtuA LIz AtI O N O p tI O N s 7 t h e V i r t u a l i z at i o n o p t i o n s f o r Solaris have been expanding rapidly. In this article we discuss three types of virtualization systems available in OpenSolaris for x86: Solaris Containers, Solaris xVM, and Sun xVM VirtualBox. We include instructions on how to deploy each solution and a detailed ...

With the development of cloud computing and virtualization technologies, application virtualization becomes an innovative software usage model. However, the existing solutions show a very limited performance on 3D graphics applications. To solve the problems, we propose a new application virtualization mechanism using separated software execution system. The proposed system does not execute 3D ...

In this paper, the potential security issues brought by the virtualization of a Software Defined Networks (SDN) would be analyzed. The virtualization of SDN is achieved by FlowVisor (FV). With FV, a physical network is divided into multiple isolated logical networks while the underlying resources are still shared by different slices (isolated logical networks). However, along with the benefits ...

Virtualized environments can make forensics investigation more difficult. Technological advances in virtualization tools essentially make removable media a PC that can be carried around in a pocket or around a neck. Running operating systems and applications this way leaves very little trace on the host system. This paper will explore all the newest methods for virtualized environments and the ...

Home environments have a great potential of resource sharing and energy saving. More and more home computers are running on an always-on basis (e.g. media-centers or file-sharing clients). Such home environments have not been sufficiently analyzed regarding their energy-efficient operation, yet. This paper discusses network virtualization methods that are needed in future home environments to e...

Virtual machines offer a lot of advantage such as easy configuration and management and can simplify the development and the deployment of Grid infrastructures. Various virtualization implementations despite have similar functions often provide different management and access interfaces. The heterogeneous virtualization technologies bring challenges for employing virtual machine as computing re...