1. AstroGrid & VO Structure NeSC, Edinburgh 21-March-2003 UK Astronomical Data Centres

2. 21-March-2003 Data Centre Meeting Slide: 2 What is the VO? Misconceptions Organisation, but… Web site, but… Technically: Standards Conformant software

3. 21-March-2003 Data Centre Meeting Slide: 3 What is AstroGrid? Same misconceptions, but… Project: to create UK-VO infrastructure Opportunity UK: Lead world standards development Astronomers: New science Data centres: New role First working implementations Consortium and Beta testers

4. 21-March-2003 Data Centre Meeting Slide: 4 Component Model

5. 21-March-2003 Data Centre Meeting Slide: 5 Philosophy: 1 Independent & swap-able components Install the services you want to offer, eg:  Portal + MySpace + (n * Dataset)  Portal + Registry + Community  Data Centre + (n * Dataset) Write your own!  Replace AstroGrid components  Create new services Add services from other VO projects

6. 21-March-2003 Data Centre Meeting Slide: 6 Philosophy: 2 Configurable, eg: Use own dbms software (uses jdo) Customise portal (xml-/xsl- based) Open Source Uses OS software Built under OS licence

7. 21-March-2003 Data Centre Meeting Slide: 7 Key components Portal Resource registry Community registry & server MySpace registry & server Data centre / Dataset access

8. 21-March-2003 Data Centre Meeting Slide: 8 Backup services Workflow Job control & scheduling Tools Wrapped Rebuilt New

9. 21-March-2003 Data Centre Meeting Slide: 9 Sign up & Start playing!!