1. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 1 Workflow on the GRIDs surface GRIDs ‘surface’ provides –Computational capabilities of GRID –Information presentation capabilities of WWW –Information management capabilities But not yet environment for workflow

2. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 2 The GRIDs Architecture Knowledge Layer Information LayerComputation / Data Layer Data to Knowledge Control

3. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 3 The GRIDs Architecture Data to Knowledge Control Particle Physics ApplicationGenomics Application Environmental ApplicationE-Business Application

4. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 4 A POSSIBLE ARCHITECTURE U:USER S:SOURCE R:RESOURCE Rm:Resource Metadata Ra:Resource Agent Ua:User Agent Um:User Metadata Sm:Source Metadata Sa:Source Agent brokers The GRIDs Environment

5. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 5 A Brief History of GRIDs 1G: custom-made architecture machines to user –Pioneering metacomputing 2G: proprietary standards and interfaces –I-WAY  GLOBUS, UNICORE, CONDOR, LEGION  AVAKI 2.5G: added in FTP, SRB, LDAP, AccessGRID 3G: adopted W3C concepts for open interfaces – OGSA / OGSI: note especially OGSA/DAI –But built on 2.G foundations e-Science Apps e-Science R&D

6. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 6 But….. This comes nowhere near the requirements as originally defined for GRIDs Too low-level (programmer not end-user level) –Insufficient representativity –Insufficient expressivity –Insufficient resilience –Insufficient dynamic flexibility

7. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 7 Services: Challenges 1  Description  Location  Requirements matching  Composing  Utilising  metadata Functional Program Code (to deliver the service) Service description (descriptive metadata) Input Parameter definitions Output Parameter definitions Restrictions on use of service (restrictive metadata)

8. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 8 Services: Challenges 2  Composition  End-to-end FR satisfaction  End-to-end NFRs satisfaction  Avoiding emergent properties  Conditions of use of services  Processes  wrapped with data  wrapped with processing, storage etc  wrapped with real estate  wrapped with staff Multiple Instances Parallel execution

9. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 9 e-,i-,k-infrastructure server detectors e- i- k- Deduction & induction – human or machine Physical Information Systems server

10. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 10 Middleware – and as SOKUs e- i- k- Lower middleware (hides physical heterogeneity) Upper middleware (hides syntactic heterogeneity) K- upper middleware (resolves semantic heterogeneity) K- lower middleware (presents declared semantics)

11. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 11 Workflow on the GRIDs Surface Nirvana is –GRIDs ‘surface’ Providing computation, information presentation and information management –Plus Self* resilience –Plus capabilities to support workflow

12. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 12 Overall : The Way Forward SCIENTIFIC DATASETS Data Information Knowledge PUBLICATIONS Data Information Knowledge CRIS Management of Research

13. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 13 PUBLICATIONS Data Information Knowledge Overall : The Way Forward Digital Curation Facility SCIENTIFIC DATASETS Data Information Knowledge CRIS Management of Research CDR (CERIF) Portal with knowledge-assisted user interface

14. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 14 Overall : The Way Forward Digital Curation Facility SCIENTIFIC DATASETS Data Information Knowledge PUBLICATIONS Data Information Knowledge metadata Portal with knowledge-assisted user interface

15. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 15 Overall : The Way Forward Digital Curation Facility SCIENTIFIC DATASETS Data Information Knowledge PUBLICATIONS Data Information Knowledge metadata publish validate Portal with knowledge-assisted user interface

16. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 16 Overall : The Way Forward Digital Curation Facility SCIENTIFIC DATASETS Data Information Knowledge PUBLICATIONS Data Information Knowledge metadata publish validate GRIDs Portal with knowledge-assisted user interface Ambient, Pervasive Access

17. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 17 Overall : The Way Forward Portal with knowledge-assisted user interface Digital Curation Facility SCIENTIFIC DATASETS Data Information Knowledge PUBLICATIONS Data Information Knowledge metadata publish validate GRIDs Ambient, Pervasive Access

18. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 18 Overall : The Way Forward Portal with knowledge-assisted user interface Digital Curation Facility SCIENTIFIC DATASETS Data Information Knowledge PUBLICATIONS Data Information Knowledge metadata publish validate GRIDs Ambient, Pervasive Access

19. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 19 Overall : The Way Forward Portal with knowledge-assisted user interface Digital Curation Facility SCIENTIFIC DATASETS Data Information Knowledge PUBLICATIONS Data Information Knowledge metadata publish validate GRIDs Ambient, Pervasive Access

20. ©euroCRIS/Keith G JefferyCRIS: Stakeholders, Benefits, History, Process, Architecture 20081009 20 Three Steps to Nirvana Complete Process ICT Support Metadata and Data Exchange Standards Workflow on the GRIDs Surface The Perfect CRIS