Fermilab Computing Division

CS Document 2982-v4

VOMRS/VOMS Utilization Patterns And Convergence Plan

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Tanya Levshina
Updated by:
Tanya Levshina
Document Created:
11 Nov 2008, 15:16
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11 Nov 2008, 15:28
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11 Nov 2008, 15:28
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11 Nov 2008, 15:23
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The Grid community uses two well-established registration services, which allow users to be authenticated under the auspices of VirtualOrganizations (VOs).
The Virtual Organization Membership Service (VOMS),developed in the context of the Enabling Grid for E-sciencE (EGEE) project, is an Attribute Authority service that issues attributes expressing membership information of a subject within a VO. VOMS allows to partition users in groups, assign them roles and free-form attributes which are then used to drive authorization decisions. The VOMS administrative application, VOMS-Admin, manages and populates the VOMS database with membership information.

The Virtual Organization Management Registration Service (VOMRS),developed at Fermilab, extends the basic registration and management functionalities present in VOMS-Admin. It implements a registration workflow that requires VO usage policy acceptance and membership approval by administrators. VOMRS supports management of multiple grid certificates, and handling users' request for group and role assignments, and membership status. VOMRS is capable of interfacing to local systems with personnel information(e.g.the CERN Human Resource Database) and of pulling relevant member information from them. VOMRS synchronizes the relevant subset of information with VOMS.

The recent development of new features in VOMS raises the possibility of rationalizing the support and converging on a single solution by continuing and extending existing collaborations between EGGE and OSG. Such strategy is supported by WLCG, OSG, US CMS, US Atlas, and other stakeholders worldwide. In this paper, we will analyze features in use by major experiments and the use cases for registration addressed by the mature single solution.

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CHEP 2009 held from 21 Mar 2009 to 27 Mar 2009 in Prague, Czech Republic
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