1. www.neresc.ac.uk WS-GAF Savas Parastatidis

2. www.neresc.ac.uk 2 WS-GAF Aug2003 “A Grid Application Framework based on Web Services specifications and practices” paper used emerging technologies Switched to stable ones but we are not discouraging an “experimentation track” Not middleware Design patterns/principles Use stable technologies

3. www.neresc.ac.uk 3 WS-GAF Application We need to build large-scale Grid applications using Web Services in order to find out what is actually required Aims Define the characteristics of a “typical” Grid application Demonstrate the applicability of the WS-GAF approach in building Grid applications Learn from the challenges of constructing a truly global, distributed, scalable, loosely-coupled application Working on a “typical”, global-scale Grid application with international partners We encourage everyone’s involvement

4. www.neresc.ac.uk 4 Applications White dwarfs Bob Mann Jim Gray Johns Hopkins Steven Newhouse

5. www.neresc.ac.uk 5 Searching for “White Dwarfs” Jim Gray’s SkyServer Combine info from other databases Utilise computational resources Visualise We are looking for these

6. www.neresc.ac.uk 6 Applications RFID-based Security GOLD Databases – continuous queries – large amount of information

7. www.neresc.ac.uk 7 WS-GAF Web Services Grid Application Framework (WS-GAF) http://www.neresc.ac.uk/ws-gaf Mailing list (>80 people from all over the world) ws-gaf@newcastle.ac.uk Join by sending a message to mailbase@newcastle.ac.uk including the following line in the body join ws-gaf YourFirstName YourLastName