Xen and the art of virtualization
SOSP '03 Proceedings of the nineteenth ACM symposium on Operating systems principles
Introduction to Virtual Reality
Introduction to Virtual Reality
From Sandbox to Playground: Dynamic Virtual Environments in the Grid
GRID '04 Proceedings of the 5th IEEE/ACM International Workshop on Grid Computing
The Anatomy of the Grid: Enabling Scalable Virtual Organizations
International Journal of High Performance Computing Applications
Virtual Clusters for Grid Communities
CCGRID '06 Proceedings of the Sixth IEEE International Symposium on Cluster Computing and the Grid
A Multipolicy Authorization Framework for Grid Security
NCA '06 Proceedings of the Fifth IEEE International Symposium on Network Computing and Applications
Virtual workspaces: Achieving quality of service and quality of life in the Grid
Scientific Programming - Dynamic Grids and Worldwide Computing
Best practices of user account management with virtual organization based access to grid
PPAM'05 Proceedings of the 6th international conference on Parallel Processing and Applied Mathematics
Virtual workspaces in the grid
Euro-Par'05 Proceedings of the 11th international Euro-Par conference on Parallel Processing
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To assure secure access to any computer resources one must provide an adequate level of authentication, authorization job isolation and possibility of auditing user actions. In the grid environment that comprises a large number of users and resources in different administrative domains, these features are challenging. Grid economy and accounting related to it are becoming more and more important in an emerging aspect of grid commercialization. Also, the requirements of the users and administrators are becoming more and more sophisticated: checkpointing and migration of jobs, detailed software requirements, quality of service, collaborative work, and load balancing, to name a few. Virtualization techniques, nowadays more and more matured and advanced, seem to help solve the above-mentioned problems. In the present paper we discuss some of these techniques as well as existing solutions and then propose a framework for Virtual Environments. The framework focuses on resource access control, but the benefits of virtualization are wider.