RUP Final ProjectInception

1
RUP Final Project--Inception

• CS4320Software Process
• Fall 2005

2
We want first to

• Define vision
• Make a business case
• Determine feasibility
• Make Buy/Build Decision
• Make estimate of project
• Make go/no go decision

3
Then

• Identify preliminary requirements
• Identify External Actors
• Identify Use Cases
• Identify Development teams
• Identify Candidate Architecture
• Prepare Plans

4
Vision
http//www.cc.gatech.edu/classes/AY2006/cs4320_fal
l/Project/vision.htm
5
Business Case
Feasibility Technical Can we do this at
all? Economic Does it make sense?
Cost-Benefit,
Break-Even, Market Characteristics
Operational Does it fit into customer business
model? Can it
be supported? Political Will it be
accepted? Does project have
sponsor?
6
Cost Benefit

• Should I buy an electric car (next 10 years)?
• Current
  Proposed
• Acquisition 0
  27000
• Register 1200
  4500
• Insure 5000
  9000
• Gas (5/gal) 50000
  16667
• Replace 15000
  0
• Total 71200 57167

7
Break Even

• Fixed Costs Cost for first unit
• Variable Costs Cost per unit
• Price per unit
• Expected sales volume

8
Should we build/buy?

• Option 1 Purchase Developer rights to WebCT
• Option 2 Greenfield entire program (with reuse
  of open source modules as available)
• Option 3 Extend Moodle Open Source
• Option 4 Extend Webwork
• How do we decide??

9
Houston Are we a go??
Course2000
10
External Actors
11
Use Cases (Primary)
12
External Actor and Use Case ID

• We id these items at a high level
• Divide up between team members
• Each person elaborates a use case as an Analyst
• Each person designs a realization as a Designer
• We roll them up and finalize architecture