An overview of the LEAD Portal for the TeraGrid '07 Science Gateways tutorial.

1. The LEAD Portal: An OGCE based weather science gateway Marcus Christie and Suresh Marru Indiana University LEAD Project (www.leadproject.org)

2. The Weather Challenge (WxChallenge)

3. WxChallenge - LEAD Portal Beta Testers … and others

4. So, what’s the value to the participants?

5. So, what’s the value to the participants?

6. So, what’s the value to the participants?

7. So, what’s the value to the participants?

8. So, what’s the value to the participants?

9. So, what’s the value to the participants?

10. So, what’s the value to the participants?

14. TeraGrid Resources Big Red Data Capacitor NCSA’s Tungsten and Mercury SPRUCE at UC

15. Security: Registering for an account

16. Security:Verifying Email Address

17. Security: Email address confirmed

18. Security: Administrator Approving

19. Security: Administrator Approving

20. Security: User gets acceptance email

21. Security: User can now log in

22. Security: Verifying user account

24. LEAD Architecture + Auditing App Service LEAD Portal Notification Broker GPEL Workflow Engine App Service App Service Auditing Service GRAM Gatekeeper 1. Portal registers workflow 2. Portal submits workflow 3. WF engine invokes app services 4. Launch GRAM jobs 5. Audit notifs 6. Queries for charge