1. Reverse Protocol Pattern for WSDM -Igor.Sedukhin@ca.comIgor.Sedukhin@ca.com -Kirk.Wilson@ca.comKirk.Wilson@ca.com

2. © 2005 Computer Associates International, Inc. (CA). All trademarks, trade names, services marks and logos referenced herein belong to their respective companies. Direct Protocol Pattern Manager Resource AdvertisementDiscovery Interaction

3. © 2005 Computer Associates International, Inc. (CA). All trademarks, trade names, services marks and logos referenced herein belong to their respective companies. Problems -Firewalls -Resource may not have any visible endpoints -Location Transparency -Resource moves from one location to another -Manager needs to track that -Administrative -Manager’s owner/admin needs to make sure Resources are discovered and visible -Do that for every resource which comes alive -Access to the Manager may be required -Scalability -Manager may need to periodically “look” at all of the Resources it needs to know about

4. © 2005 Computer Associates International, Inc. (CA). All trademarks, trade names, services marks and logos referenced herein belong to their respective companies. Reverse Protocol Pattern Manager Resource AdvertisementDiscovery Interaction

5. © 2005 Computer Associates International, Inc. (CA). All trademarks, trade names, services marks and logos referenced herein belong to their respective companies. Solutions -Firewalls -Manager’s URL/EPR known -Manager’s endpoint is visible -Location Transparency -Irrespective of where the Resource is, it communicates to the same Manager -Administrative -The Resource deployer/owner or administrator is setting up the relationship with the Manager -Scalability -Resources are responsible of letting the Manager know of their situation

6. © 2005 Computer Associates International, Inc. (CA). All trademarks, trade names, services marks and logos referenced herein belong to their respective companies. How -Manager’s Interface: Operations invoked by the Resource: -Here I am. -What is my Configuration? -What do I have to Comply With? -What do I need To Do? -Document Markups: -WS-Configuration -WS-ManagementPolicy -WS-ManagementActivity

7. © 2005 Computer Associates International, Inc. (CA). All trademarks, trade names, services marks and logos referenced herein belong to their respective companies. Discussion -Is anybody interested? -Should this be part of WSDM? -Should these be separate specifications?