1. AstroGrid Overview AG-SAG Cambridge IoA 19 th June 2003 Tony Linde AstroGrid Project Manager University of Leicester, Dept. Physics & Astronomy

2. 19.06.2003AG-SAG Project Involvement PPARC funded, £3.7m 7 partners + AVO Optical, Solar, X-Ray, Radio, STP, … 7 PIs, PL, PS, PM, TLd Researchers, developers (20+) GSC, AGOC monitoring AGSAG input & feedback

3. 19.06.2003AG-SAG Links FP5 AVO, FP6 Euro-VO (UK rep) US-NVO  IVOA Standards Joint demos (AG/Aus-VO, CDS/India-VO, Canada/German VOs) GGF, Globus, OGSA-DAI Other e-Science projects GridPP, myGrid, EGSO, …

4. 19.06.2003AG-SAG Project process Phase A: Sep’01 – Dec’02 Phase B: Jan’03 – Dec’04 Science-based (key ’10 problems’) Cross-discipline, cross-functionality, … Infrastructure focussed Iterative development: 3 months Science-driven Open: news, forums, wiki, … from http://www.astrogrid.orghttp://www.astrogrid.org

5. 19.06.2003AG-SAG Technology choices design : UML, TogetherSoft ControlCenter development language : Java SOAP web services, then OGSA DBMS : DB2 source control : CVS IDE/build : Eclipse/Ant Java libraries: Apache Portal : Apache Cocoon

6. 19.06.2003AG-SAG VO Structure Component-based can install any/all components Db-agnostic Decentralised no single product nor centre Service-based web services grid services

7. 19.06.2003AG-SAG Components

8. 19.06.2003AG-SAG Iteration 01: Jan-Mar 2003 Portal Initial front end Portlet: structure Registry query portlet Registry Schema & storage (xml) WS: satisfy simple query for datasets Grid Implement and test OGSA and OGSA-DAI

9. 19.06.2003AG-SAG Iteration 02: Apr-Jun 2003 Portal Cocoon base Workflow, MySpace Explorer and Data Viewer pages Registry Db-storage, storage & query schema Also Logging & Message Queue Data Centre / Dataset Access Single query to multiple datasets Also Job Control MySpace: Registry & Server Cache & permanent file storage Grid Implement and test OGSA and OGSA-DAI Grid-based demo with Aus-VO  Cube cutout and interactive visualisation

10. 19.06.2003AG-SAG SAG Involvement Iteration science focus Standards setting Beta testing

11. 19.06.2003AG-SAG SAG: Science focus Approach to iterations: Odd numbers: technical Even numbers: science delivery Science focus for Itn04 (Dec’03): Tools: cutout, ACE, simple viz, ??? Datasets: add Solar, STP

12. 19.06.2003AG-SAG SAG: Standards Join IVOA mailing lists Registry: Resource metadata  searchable fields …  descriptiveness of resources Others: VOQL: query language: functions available DM: data model: shape of VO

13. 19.06.2003AG-SAG SAG: Beta testing Available to development teams? Comment on design Feedback on astronomer-friendliness Test mid-iteration deployments Full/Partial deployment Test customisability Demo to colleagues