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We briefly describe the authorization requirements, focusing on the framework of the DataGrid and DataTAG Projects and illustrate the architecture of a new service we have developed, the Virtual Organization Membership Service (VOMS), to manage authorization information in Virtual Organization scope.
Grids are potentially composed of several thousands of users from different institutions sharing their computing resources (or using resources provided by third parties). Controlling access to these resources is a difficult problem, as it depends on the policies of the organizations the users belong to and of the resource owners. Moreover, a simple… (More)
R. Alfieri, R. Cecchini, V. Ciaschini, L. dell’Agnello , A. Gianoli, F. Spataro INFN, Italy F. Bonnassieux CNRS, France P. Broadfoot, G. Lowe University of Oxford, United Kingdom L. Cornwall, J. Jensen, D. Kelsey CCLRC/Rutherford Appleton Laboratory, United Kingdom Á. Frohner CERN D.L. Groep, W. Som de Cerff, M. Steenbakkers, G. Venekamp NIKHEF, The… (More)
This article discusses the authentication and the authorization aspects of security in grid environments spanning multiple administrative domains. Achievements in these areas are presented using the EU DataGrid project as an example implementation. It also gives an outlook on future directions of development.