1. + Support multiple virtual environment for Grid computing Dr. Lizhe Wang

2. + Contents  Problem definition  A novel philosophy: virtual environment for Grid computing  A new virtualization middleware: Grid Virtualization Engine  Novel use methodologies and applications  Conclusion

3. + Grid computing: paradigm User Interface Access Control Grid resources Information Service Replica Catalog publish Data Information Resource Information Job Input & Broker Information Accounting Information Accounting Service Job Information Job Information Resource Broker Job Submission Job Output Job Output

4. + New requirements  Grid users:  customize and control Grid resources with advanced privileges  performance guarantee for applications  easy and convenient Grid interfaces  Resource providers:  configure various computing environments  complex resource management: job accounting, access control ……

5. Virtual environment for Grid computing: X X Application domain Application domain Users VDE: Virtual Distributed Environment

6. + System Model

7. Grid Virtualization Engine: a new middleware VDE: Virtual Distributed Environment

8. + Information service for VDE monitoring: Site Information Service Access point client http/https VM Host resource VMM Compute center VM: Virtual Machine VMM: Virtual Machine Monitor Information agent Information sensor socket

9. + Information service for VDE monitoring: VM VMware ESX server Host resource Compute center Access point VO information service client Web interface Index service Index service Information aggregation Pegasus agent Information provider VO= Virtual Organization http

10. + Virtualization service MID: Management Information Database

11. + Virtualization agent

12. Grid workflow in a virtual box:

13. Virtual e-Science infrastructure: methodology Client Front end service ReceiveAssign Job execution Reply Workflow engine Request VM Virtualization service job submission Service VM VM: Virtual Machine

14. Virtual computing center: NJS: Network Job Supervisor TSI: Target System Interface UNICORE Virtual processor farm Real computing center