2008 smef - scope management - sail the seas of change
DESCRIPTION
Scope management has a lot of parallels with Columbus journey to discover America. He did not know what he was going to find, but he went with all knowledge available.TRANSCRIPT
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Scope Management
Sail the Seas of Change!
Frank VogelezangSogeti Nederland B.V.
Software Measurement European Forum – May 28, 2008
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The vision : new opportunities
CHINA
the INDIES JAPAN
SPAIN
EQUATOR
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Preparing to set sail
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1492The journey
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Scope Management
The northernSCOPE approach
A. Initiating a project
B. Estimating cost & duration
C. Managing changes
D. Controlling progress
E. Closing development
Initiatingproject and
software
Managingchanges
Developingsoftware
Closingdevelopment
Estimatingcost andduration
Controllingprogress
A
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Scope Management
The northernSCOPE approach
A. Initiating project
B. Estimating cost & duration
C. Managing changes
D. Controlling progress
E. Closing development
Initiatingproject and
software
Managingchanges
Developingsoftware
Closingdevelopment
Estimatingcost andduration
Controllingprogress
B
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Scope Management
The northernSCOPE approach
A. Initiating project
B. Estimating cost & duration
C. Managing changes
D. Controlling progress
E. Closing development
Initiatingproject and
software
Managingchanges
Developingsoftware
Closingdevelopment
Estimatingcost andduration
Controllingprogress
C
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Scope Management
The northernSCOPE approach
A. Initiating project
B. Estimating cost & duration
C. Managing changes
D. Controlling progress
E. Closing development
Initiatingproject and
software
Managingchanges
Developingsoftware
Closingdevelopment
Estimatingcost andduration
Controllingprogress
D
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Scope Management
The northernSCOPE approach
A. Initiating project
B. Estimating cost & duration
C. Managing changes
D. Controlling progress
E. Closing development
Initiatingproject and
software
Managingchanges
Developingsoftware
Closingdevelopment
Estimatingcost andduration
Controllingprogress
E
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A journey acrossthe Seas of Change
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Preparing to set sail
Initiating a project• Engage scope manager• Divide into subprojects• Early size estimate• Determine all
requirements• Prepare a RfP• Engage a supplierInitiating
project andsoftware
Managingchanges
Developingsoftware
Closingdevelopment
Estimatingcost andduration
Controllingprogress
A
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50
100
150
Feasibilitystudy
Requirementsspecification
Software development
Pro
ject
clo
sure
Siz
e (
rela
tive %
of
feasib
ilit
y s
tud
y s
ize)
Time
30,000 FP
21,000 FP
24,000 FP
Early size estimate
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Determine all requirements
• Not only the functionality• The world around the project
>Time constraints>Personnel constraints
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Time (years)
# S
taff
50
40
30
20
10
1 2 3 4 5 6 7
Time constraint
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Time (years)
# S
taff
50
40
30
20
10
1 2 3 4 5 6 7
A realistic planning
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Sailing the Seas of Change
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50
100
150
Feasibilitystudy
Requirementsspecification
Software development
Pro
ject
clo
sure
Siz
e (
rela
tive %
of
feasib
ilit
y s
tud
y s
ize)
Time
2,200 FP
1,700 FP
1,900 FP
Estimate the real costs
• Complete requirements increment 1• Baseline
Initiatingproject and
software
Managingchanges
Developingsoftware
Closingdevelopment
Estimatingcost andduration
Controllingprogress
B
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50
100
150
Feasibilitystudy
Requirementsspecification
Software development
Pro
ject
clo
sure
Siz
e (
rela
tive %
of
feasib
ilit
y s
tud
y s
ize)
Time
1,900 FP
1,600 FP
1,700 FP
Measured change control
Initiatingproject and
software
Managingchanges
Developingsoftware
Closingdevelopment
Estimatingcost andduration
Controllingprogress
C
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The end of the journey
• Collected data must be stored in an experience repository
Initiatingproject and
software
Managingchanges
Developingsoftware
Closingdevelopment
Estimatingcost andduration
Controllingprogress
E
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The end of the journey
• Payment based on the functional size of the delivered software
Initiatingproject and
software
Managingchanges
Developingsoftware
Closingdevelopment
Estimatingcost andduration
Controllingprogress
E
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Sail the seas of change!