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Overview:

One major reason for the lack of acceptance of Computational Grids in the industry is security concerns. Conventional Grid security architectures, such as GSI (Globus Toolkit), focus on the service provider's perspective and do not cover all concerns of the service user. For instance the management of user credentials is delegated to services which are not under full control of the user (e.g. MyProxy). This paper introduces the Yagsi Security Infrastructure, which uses fine-grained and role-based security mechanisms in combination with restricted delegation of privileges, in order to overcome the drawbacks of current implementations. The design of the new security architecture provides a simple and convenient integration of legacy web services without the need of modification.

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Format:PDFSize:140 KB
Date:Dec 2006
Pages:8

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