© 2005 Global Grid Forum The information contained herein is subject to change without notice Leading the pervasive adoption of grid computing for research and industry RM workshop: scenario #2 (3 tier application) OGSA-WG and fellow WGs F2F meetings in SF Bay Area August 18, 2005

2 Outline 3-tier application scenario Usecase diagram Usecase description Sequence diagram

3 「仮想化」 Business Application Web Server DBMS AP Server Business Applications Provisioning Physical Resource Job Description Automatic Resource Allocation Automatic Resource Allocation Registration Logical Resource Pool Standard Resource Description 3-tier application senario 1.IT Resource registration 2.Store application-archive into ACS repository 3.Job submission & reservation –Brokering necessary IT resources and making reservation 4.Start Job –deployment and configuration of program and data –Start application 5.Stop Job 6.Un-deploy and release IT resources

4 Usecase Diagram GRID Administrator (& client app) IT business Activity manager (& client app) Timer IT resource Registration Store AA Into ACS Repository Job submission & reservation Start Job Stop Job Un-deploy & Release IT resources OGSA tm Grid Middleware

5 Usecase description (1) IT Resource registration Summary –Add IT resource (e.g. server, storage, or network device) to Grid Fabric which is managed by OGSA grid middleware Actors –Grid administrator Main flow 1.Actor adds new IT resource to GRID 2.GRID returns WS-name

6 Sequence diagram (1) IT Resource registration Input parameters Properties of –System –CPUArchitecture –NetworkBandwidth –DiskSpace Optional (may not defined at registration time, but provisioning) –OS –FileSystem Grid admin :Info system Server1:server Register() create() WS-name

7 Usecase description (2) Store application-archive into ACS repository Summary –Store an application-archive into AC repository Actors –IT business activity manager Main flow 1.Actor adds new application-archive to GRID 2.GRID returns WS-name

8 Usecase description (3) Job submission & reservation Summary –Submit job for future exection Actors –IT business activity manager Main flow 1.Actor submits new job to GRID 2.GRID returns WS-name of booked reservation

9 Usecase description (4) Start Job Summary –Start designated job and deploy and configure its application and related data & container in advance if necessary Actors –Timer, IT business activity manager Main flow 1.Actor asks GRID to start job 2.If necessary, GRID deploys and configures application and container 3.GRID returns result (success or fail)