NDLI: Using SAML Callout to Realize Access Restriction for Geospatial Grid Services

Content Provider	IEEE Xplore Digital Library
Author	Jiayuan Lin Yu Fang Bin Chen
Copyright Year	2008
Description	Author affiliation: Inst. of Remote Sensing & GIS, Peking Univ., Beijing (Jiayuan Lin; Yu Fang; Bin Chen)
Abstract	It is currently one of the hottest research areas of geospatial informatics to integrate OGC specifications with Globus-based Grid technology to develop geospatial Grid. In Grid systems, the security of resources outsourced from multiple organizations is very critical. However, the authorization mechanisms provided in the Globus Toolkit cannot realize the fine-grained and geospatial access control requirements of geospatial Grid Services. In this paper, we employ the GeoXACML specification to define geospatial access control policies and rules. In addition, we take advantage of the SAML Callout mechanism in the Globus Toolkit to resort to the third-party authorization service to secure the access to geospatial Grid services. The outer authorization service makes access decisions against GeoXACML-formatted policies and rules, which are defined according to the specific access control requirements. The system reference framework is also proposed and its components and control flow are explained.
Starting Page	583
Ending Page	588
File Size	358920
Page Count	6
File Format	PDF
ISBN	9780769534497
DOI	10.1109/GCC.2008.39
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Access control Geographic Information Systems Data security Grid Control systems PERMIS Distributed computing Geospatial Semantics Remote sensing Authorization Authentication Grid computing Access Control Informatics GeoXACM SAML Callout
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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