1. AstroGrid Oversight Committee MRC, London 30 July, 2002

2. 30.07.2002AstroGrid Oversight Committee AstroGrid and the Unified Software Development Process

3. 30.07.2002AstroGrid Oversight Committee Options Work Package Traditional Grand design Integrate at end Unified Process ‘Agile’ process Iterative Multiple releases

4. 30.07.2002AstroGrid Oversight Committee Work Package approach: Pros Institute ‘ownership’ Component support Easier to focus on R&D

5. 30.07.2002AstroGrid Oversight Committee Work Package approach: Cons Development out of sequence Mid-term integration/release difficult User does not see whole product until end Development not risk-based Less knowledge spread Difficult to change direction Or to see the need for a change ~50% more resources needed

6. 30.07.2002AstroGrid Oversight Committee Unified Process Architecture-centric Use-case driven Iterative

7. 30.07.2002AstroGrid Oversight Committee Overview

8. 30.07.2002AstroGrid Oversight Committee Iterative ~3 month iterations Full life-cycle each iteration Inceptionplanning Elaborationdesign Constructioncode Transitionrelease Working product release each iteration

9. 30.07.2002AstroGrid Oversight Committee Unified Process: Pros Iterations  Multiple releases Knowledge spread Whole-project ‘ownership’ Easier to change direction Critical for leading-edge project ‘Right’ software built Right

10. 30.07.2002AstroGrid Oversight Committee Unified Process: Cons Where is support? More management effort owing to distributed project Difficult to set targets up front Targets reviewed each iteration

11. 30.07.2002AstroGrid Oversight Committee AstroGrid AGLI commitment to Unified Process Consortium buy-in Focus on delivery of VO

12. 30.07.2002AstroGrid Oversight Committee AstroGrid Personnel Technical Lead focus on delivery Project Manager focus on team building, R&D, interactions Developers flexible team deployment mixed development and R&D work