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Pending

Permit. Pending. Deny. ! (Rule 1 or Rule 2). NA. Req Є R1 or Req R3 . Req Є R2 or Req Є R3 . Conflict and redundancy state. Conflicts. Pending. Redundancy. Conflict/redundancy checking. P1.dec state. P2.dec state. Permit. Permit. Pending. Deny. Pending. Deny. NA. NA.

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Pending

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  1. Permit Pending Deny ! (Rule 1 or Rule 2) NA ReqЄR1 or Req R3 ReqЄR2 or ReqЄR3

  2. Conflict and redundancy state Conflicts Pending Redundancy Conflict/redundancy checking P1.dec state P2.dec state Permit Permit Pending Deny Pending Deny NA NA Policy P1 Policy P2

  3. Permit Pending Deny NA ! (Rule 1 or Rule 2) ReqЄR1 or Req R3 ReqЄR2 or ReqЄR3

  4. Site A Site B VO 1 VO 1 Policies Resource Site Policies Site Policies Resource Resource VO 2 Resource VO2 Policies Resource VO 3 VO 3 Policies

  5. Job Priority Job Submission • Site Policies • ------------------------ • Selected VO policies • Policies specified by the site administrator Job Control Job Scheduling Job Monitor Job Monitor Job Monitor Job Monitor Job Control

  6. Site A Site A Policies Site B VO 4 VO 3 VO 2 VO 1 Resource Site B Policies VO2 Policies VO 3 Policies VO2 Policies VO 1 Policies Resource

  7. Site A Site A Policies Site B VO 2 VO 1 VO 4 VO 3 Resource Site B Policies VO 1 Policies VO2 Policies VO 3 Policies VO2 Policies Resource Roles Site Policies Access Authorization Resources Control VO 1 VO2 Policies

  8. Model Checking Test Request Generation Policy Creation Policies Properties Test Requests Policy Models XACML Policies Policy Implementation

  9. Site PrivilegePolicies Propagate VO PrivilegePolicies Verify Site Configurations Synthesize SVOPMEConcept Diagram ConfigurationRecommendations

  10. Property Verification Test Generation Policy Modeling Policies Properties Test Suites Policy Models XACML Policies Policy Implementation

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