Learning software process with UPEDU
Slide 2
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1
2000
École Polytechnique de Montréal & Rational Software
Software Process and Software Life Cycle
Key words:
Software life
-
cycle
Phases
Development cycle and evolution cycle
Software process
Discipline, activities, roles, and artifacts
Iterations
Milestones
UPEDU
RUP, standards and models.
Learning software process with UPEDU
Slide 2
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2
2000
École Polytechnique de Montréal & Rational Software
Software Process and Software Life Cycle
Understanding the Development and Evolution of Software
Defining the Software Life Cycle and the Software Process
Defining Elements of the Software Process
Integrating the Software Life Cycle and the Software Process
Customizing the Software Process
Summary
Learning software process with UPEDU
Slide 2
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3
2000
École Polytechnique de Montréal & Rational Software
Process of Building a House
Different Process
Same life cycle
Learning software process with UPEDU
Slide 2
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4
2000
École Polytechnique de Montréal & Rational Software
Software Process and Software Life Cycle
Understanding the Development and Evolution of Software
Defining the Software Life Cycle and the Software Process
The Software lifecycle
The Software process
Defining Elements of the Software Process
Integrating the Software Life Cycle and the Software Process
Customizing the Software Process
Summary
Learning software process with UPEDU
Slide 2
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5
2000
École Polytechnique de Montréal & Rational Software
Phases of the Development Cycle
T I M E
Transition
Construction
Elaboration
Inception
Inception
-
Define the scope of project
Elaboration
-
Plan project, specify features, baseline system
Construction
-
Build the product
Transition
-
Transition the product into end user community
Learning software process with UPEDU
Slide 2
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6
2000
École Polytechnique de Montréal & Rational Software
Inception
Elaboration
Construction
Transition
Each Phase is Marked by Milestones
Development cycle
Objective
Milestone
Development cycle
Architecture
Milestone
Initial Operational
Capability
Milestone
Product
Release
time
Learning software process with UPEDU
Slide 2
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7
2000
École Polytechnique de Montréal & Rational Software
time
Cycles are not Strictly Sequential
An
evolution cycle
includes one execution of all four phases and produces a
software
generation
Most software systems require multiple cycles
An initial development cycle leading to the initial delivery
Subsequent evolution cycles to maintain and enhance the system
Cycles may be sequential, but more commonly overlap
Inception
Elaboration
Construction
Transition
Inception
Elaboration
Construction
Transition
Inception
Elab. . .
Learning software process with UPEDU
Slide 2
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8
2000
École Polytechnique de Montréal & Rational Software
New or changed
requirements
New or changed
system
Software
Process
Who is doing What, When, and How
Provides guidelines for efficient development of software
Reduces risk and increases predictability
Captures and presents best practices
Promotes common vision and culture
Learning software process with UPEDU
Slide 2
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9
2000
École Polytechnique de Montréal & Rational Software
Engineering and Management Disciplines
Requirements
Use
-
Case Model
Implementation Model
Implementation
Test Model
Test
Analysis & Design
Design Model
Configuration & Change Mngnt
Project Mngnt
Engineering
Management
Project
Repository
Learning software process with UPEDU
Slide 2
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10
2000
École Polytechnique de Montréal & Rational Software
Software Process and Software Life Cycle
Understanding the Development and Evolution of Software
Defining the Software Life Cycle and the Software Process
Defining Elements of the Software Process
UPEDU Conceptual Model
Roles, Activities, Artifacts
Disciplines
Integrating the Software Life Cycle and the Software Process
Customizing the Software Process
Summary
Learning software process with UPEDU
Slide 2
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11
2000
École Polytechnique de Montréal & Rational Software
Diagrams Represent Process Disciplines
Role
Activity
Artifact
Describe
a
Use Case
Use
-
Case
Package
Use Case
Use
-
Case
Specifier
A unit of work an
individual may be
asked to perform
A piece of information
that is produced,
modified, or used by a
process
A role that may be
played by an
individual or a team in
the development
organization
Learning software process with UPEDU
Slide 2
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12
2000
École Polytechnique de Montréal & Rational Software
Fundamental Conceptual Model
Role
Activity
0..*
1
0..*
1
Performs
Artifact
0..*
1
0..*
1
IsResponsibleFor
0..*
0..*
0..*
input
0..*
Consumes
0..*
0..*
0..*
0..*
Produces
Learning software process with UPEDU
Slide 2
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13
2000
École Polytechnique de Montréal & Rational Software
Dividing the Work by Activities
Find Actors
and Use Cases
Capture a
Common
Vocabulary
System
Analyst
Develop
Vision
Manage
Dependencies
UPEDU Guideline: Process Discriminant
Learning software process with UPEDU
Slide 2
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14
2000
École Polytechnique de Montréal & Rational Software
Software Process and Software Life Cycle
Understanding the Development and Evolution of Software
Defining the Software Life Cycle and the Software Process
Defining Elements of the Software Process
Integrating the Software Life cycle and the Software Process
Disciplines and Phases
Iterations
Opportunistic and Systematic Activities
Customizing the Software Process
Summary
Learning software process with UPEDU
Slide 2
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15
2000
École Polytechnique de Montréal & Rational Software
2D Model of Process and Life Cycle
Project Management
Implementation
Test
Analysis & Design
Life Cycle Phases
Engineering Disciplines
Supporting Disciplines
Configuration & Change Mgmt
Requirements
Elaboration
Transition
Inception
Construction
Learning software process with UPEDU
Slide 2
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16
2000
École Polytechnique de Montréal & Rational Software
Weight of Disciplines in Iteration Varies
Project Management
Implementation
Test
Analysis & Design
Life Cycle Phases
Engineering Workflows
Supporting Workflows
Configuration & Change Mgmt
Requirements
Elaboration
Transition
Inception
Construction
ITERATION A
ITERATION E
Learning software process with UPEDU
Slide 2
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17
2000
École Polytechnique de Montréal & Rational Software
Artifacts Evolve in the Development Cycle
Management artifacts
Requirements artifacts
Design artifacts
Implementation artifacts
M
R
D
I
:
:
:
:
Inception
R
D
I
M
Construction
R
D
I
M
Transition
R
D
I
M
Elaboration
R
D
I
M
An
iteration
is a distinct sequence of activities with an
established plan and evaluation criteria resulting in an
modified artifacts
Learning software process with UPEDU
Slide 2
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18
2000
École Polytechnique de Montréal & Rational Software
Systematic or Opportunistic Iterations
O
p
p
0
r
t
u
n
i
s
t
i
c
M
R
D
I
D
D
M
R
M
I
R
R
D
I
I
M
M
D
I
D
M
Possible opportunistic sequences
D
M R D I
Systematic sequences
Learning software process with UPEDU
Slide 2
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19
2000
École Polytechnique de Montréal & Rational Software
Software Process and Software Life Cycle
Understanding the Development and Evolution of Software
Defining the Software Life Cycle and the Software Process
Defining Elements of the Software Process
Integrating the Software Life cycle and the Software Process
Customizing the Software Process
Influential Factors in Customizing Software Process
Software Process Standards and Models
Summary
Learning software process with UPEDU
Slide 2
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20
2000
École Polytechnique de Montréal & Rational Software
Four Influential Factors
People and Organization
Product Life Cycle
Process
CMM
ISO 15504
UPEDU Concept: Tailoring the Process
Application Domain
Learning software process with UPEDU
Slide 2
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21
2000
École Polytechnique de Montréal & Rational Software
Software Process Standards and Models
IEEE std 1074
-
1995 processes
Project management
Pre
-
development
Development
Post
-
development
Integral
Models
Waterfall
Spiral
Incremential
Prototyping
UPEDU Concept: Effects of implementing a Process
Learning software process with UPEDU
Slide 2
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22
2000
École Polytechnique de Montréal & Rational Software
Software Process and Software Life Cycle
Understanding the Development and Evolution of Software
Defining the Software Life Cycle and the Software Process
Defining Elements of the Software Process
Integrating the Software Life cycle and the Software Process
Customizing the Software Process
Summary
Learning software process with UPEDU
Slide 2
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23
2000
École Polytechnique de Montréal & Rational Software
Wrap up
Software process versus Software life
-
cycle
The phases of a software life
-
cycle
The disciplines of a software process
The components of a discipline
Development cycle vs evolution cycle
Interaction between the disciplines and the phases
Iterations and software proceses
Various models and standard on software process and software life
-
cycle
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