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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Integrating Legacy Authorization Systems into the Grid: A Case Study Leveraging AzMan and ADAM
verfasst von : Weide Zhang, David Del Vecchio, Glenn Wasson, Marty Humphrey
Erschienen in: Computational Science – ICCS 2006
Verlag: Springer Berlin Heidelberg
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While much of the Grid security community has focused on developing new authorization systems, the real challenge is often integrating legacy authorization systems with Grid software. The existing authorization system might not understand Grid authentication, might not scale to Grid-level usage, might not be able to understand the operations that are requested to be authorized, and might require an inordinate amount of "glue code" to integrate the native language of the legacy authorization system with the Grid software. In this paper, we discuss several challenges and the resulting successful mechanisms for integrating the Globus Toolkit and WSRF.NET with AzMan, a role-based authorization system that ships with Windows Server 2003. We leverage the OGSA GGF Authorization Interface and our own SAML implementation so that the enterprise can retain their existing AzMan mechanism while resulting in new, scalable mechanisms for Grid authorization.