1. AstroGrid consortium meeting, December 2005 Slide 1 Architecture review Guy Rixon AstroGrid consortium meeting Jodrell Bank, December 2005

2. AstroGrid consortium meeting, December 2005 Slide 2 Current architecture: components RegistryCommunityFileManagerJESCL-CECHTTP-CECDSAFileStorePortalACR FileManagerFileStoreCEC/ADQL CEC Community (5 web services) JES (3 web services) Registry (2 web services) Workbench UI IVO ConeSIAP (New & changed features in red)

3. AstroGrid consortium meeting, December 2005 Slide 3 Current architecture: technology SOAP J2EE web tier (servlets etc.) XML-RPC (ACR) XML Flat-file storage (JES, FileManager) RDBMS storage (FileStore, DSA) XML DB storage (Registry)

4. AstroGrid consortium meeting, December 2005 Slide 4 Current architecture: deployments In our production system, for end users: 2 x reference registry Few x publishing registry 1 x community 1 x FileManager 1 x FileStore 1 x JES 1 x Portal Few x DSA Few x CL-CEC Few x HTTP-CEC

5. AstroGrid consortium meeting, December 2005 Slide 5 Change of direction for 2006 Current emphasis Few end-users Demo use Isolated operation AstroGrid standards Use programming through workflows New features in server components New emphasis: Many end-users Science use Interop. with NVO etc. IVOA standards User programming through ACR New features in ACR and/or workbench Emphasis may evolve in 2 nd half of 2006

6. AstroGrid consortium meeting, December 2005 Slide 6 What changes in 2006? Everything (see following slides)… New major interfaces Different deployment pattern Different components: One replaced Two merged One deprecated …and nothing Basic patterns & tech remains Compatible with older components Same skills for users & user-programmers Same skills, process etc. for A/G developers

7. AstroGrid consortium meeting, December 2005 Slide 7 Registry Add/complete IVOA-compliant web-service Registry A/G Registry (2 web services) IVOA Registry

8. AstroGrid consortium meeting, December 2005 Slide 8 Applications Add security Add VOSI (monitoring etc.) SSO CL-CECHTTP-CEC CEC SSOVOSI

9. AstroGrid consortium meeting, December 2005 Slide 9 DSA Add security Add IVOA/NVO standard interfaces DSA CECSIAPConeSSAPSkyNode SSO DSA CECSIAPConeSSAPSkyNodeSSO ADQL /UWS (later)

10. AstroGrid consortium meeting, December 2005 Slide 10 Community and FileManager Merge with FileManager Rebuild community entirely to IVOA standards Rebuild to use RDBMS CommunityFileManager Community (5 web services) CommunityManager Better name please! Community (5 web services) FileManagerVOSpaceMyProxy SSO, VOSI RDBMS >

11. AstroGrid consortium meeting, December 2005 Slide 11 FileStore Add VOStore interface Add VOSI FileStore VOStore SSO, VOSI

12. AstroGrid consortium meeting, December 2005 Slide 12 JES & ACR Add new client capability to ACR Add SSO Rebuild JES using ACR Extra interfaces for JES JES JES (3 web services) ACR SkyNode SSAP > Community MyProxy SSO, VOSI

13. AstroGrid consortium meeting, December 2005 Slide 13 Portal Deprecated; no enhancements; then… Away with it? Or… Rebuild with ACR Portal UI Portal2 UI ACR or Community MyProxy