Parallel programming with MPI
A security architecture for computational grids
CCS '98 Proceedings of the 5th ACM conference on Computer and communications security
Parallel programming in OpenMP
Parallel programming in OpenMP
From gridmap-file to VOMS: managing authorization in a Grid environment
Future Generation Computer Systems - Special issue: High-speed networks and services for data-intensive grids: The DataTAG project
GridBeans: Support e-Science and Grid Applications
E-SCIENCE '06 Proceedings of the Second IEEE International Conference on e-Science and Grid Computing
ISPDC '07 Proceedings of the Sixth International Symposium on Parallel and Distributed Computing
E-SCIENCE '07 Proceedings of the Third IEEE International Conference on e-Science and Grid Computing
Virtual Organization Management Across Middleware Boundaries
E-SCIENCE '07 Proceedings of the Third IEEE International Conference on e-Science and Grid Computing
GRID '07 Proceedings of the 8th IEEE/ACM International Conference on Grid Computing
AICT'11 Proceedings of the 2nd international conference on Applied informatics and computing theory
Spatial model steering, an exploratory approach to uncertainty awareness in land use allocation
Environmental Modelling & Software
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Especially within grid infrastructures driven by high-performance computing (HPC), collaborative online visualization and steering (COVS) has become an important technique to dynamically steer the parameters of a parallel simulation or to just share the outcome of simulations via visualizations with geographically dispersed collaborators. In earlier work, we have presented a COVS framework reference implementation based on the UNICORE grid middleware used within DEISA. This paper lists current limitations of the COVS framework design and implementation related to missing fine-grained authorization capabilities that are required during collaborative COVS sessions. Such capabilities use end-user information about roles, project membership, or participation in a dedicated virtual organization (VO). We outline solutions and present a design and implementation of our architecture extension that uses attribute authorities such as the recently developed virtual organization membership service (VOMS) based on the security assertion markup language (SAML).