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© 2002 Intelligent Software Agents Lab, CMU Katia O O O R O R R O O R Joe X R X X R X X R R X RETSINA Group O: Files created and owned by Katia. Joe cannot.

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Presentation on theme: "© 2002 Intelligent Software Agents Lab, CMU Katia O O O R O R R O O R Joe X R X X R X X R R X RETSINA Group O: Files created and owned by Katia. Joe cannot."— Presentation transcript:

1 © 2002 Intelligent Software Agents Lab, CMU Katia O O O R O R R O O R Joe X R X X R X X R R X RETSINA Group O: Files created and owned by Katia. Joe cannot see them. X: Files created and owned by Joe. Katia cannot see them. R: Files that can be seen by anyone in the RETSINA Group. Box: Shows creator / owner responsibilities. Only the owner of the box can decide group membership of a file. Trust Domains Are Analogous to Unix File Permissions

2 © 2002 Intelligent Software Agents Lab, CMU God’s View of Trusted Information Sharing Paths US Army US 82 nd Airborn Rangers US Navy USS Tarawa Marines Subsurface Warfare US Air Force US TransCom US Command UK Army 52 nd Lowland Brigade Intelligence UK Navy HMS Ark Royal UK 3 Commando Brigade Royal Air Force Squadron 1 Squadron 2 UK Command Intelligence Gao Observers Gao Army Palace Guard Gao Command US 82 nd Airborn USS Tarawa US Binni Gao Observers Gao Binni JTF Operation Binni UK 3 Commando Brigade HMS Ark Royal UK Binni

3 © 2002 Intelligent Software Agents Lab, CMU US View of Trusted Information Sharing Paths US Army US 82 nd Airborn Rangers US Navy USS Tarawa Marines Subsurface Warfare US Air Force US TransCom US Command US 82 nd Airborn USS Tarawa US Binni Gao Observers Gao Binni JTF Operation Binni UK 3 Commando Brigade HMS Ark Royal UK Binni

4 © 2002 Intelligent Software Agents Lab, CMU Gao View of Trusted Information Sharing Paths Intelligence Gao Observers Gao Army Palace Guard Gao Command US 82 nd Airborn USS Tarawa US Binni Gao Observers Gao Binni JTF Operation Binni UK 3 Commando Brigade HMS Ark Royal UK Binni

5 © 2002 Intelligent Software Agents Lab, CMU US’s View After Gao is Expelled from Coalition US Army US 82 nd Airborn Rangers US Navy USS Tarawa Marines Subsurface Warfare US Air Force US TransCom US Command US 82 nd Airborn USS Tarawa US Binni Gao Binni JTF Operation Binni UK 3 Commando Brigade HMS Ark Royal UK Binni

6 © 2002 Intelligent Software Agents Lab, CMU Gao’s View After Being Expelled from Coalition Intelligence Gao Observers Gao Army Palace Guard Gao Command


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