lesson2 software process_contd2
TRANSCRIPT
1
SDLC (Software Development Life Cycle)
Logical Process)
Phase )
Planning Phase) Analysis Phase) Design Phase)
Implementation Phase )Steps )
2
SDLC
Waterfall
V-Shaped
Spiral
Increment
Agile
3
Waterfall model• SDLC Waterfall
•
•
4
Waterfall model
Waterfall Model
Waterfall Model
Product Product
5
……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
Waterfall
,
Milestones
Sets requirements stability
(plan, staff, track)
Waterfall
Module
Waterfall Model
User
User
platformplatform
Adapted Waterfall model
SDLC Adapted Wayerfall
waterfall
9
V-Shaped model
Model (verification)
(validation)
Software10
V-Shaped model
11
Project and Requirements Planning –
Product Requirements and Specification Analysis –
specSoftware
Architecture or High-Level Design –
Software
Detailed Design –
Production, operation and maintenance –
System and acceptance testing –
Software
Integration and Testing –
Module
Unit testing –module
Coding –Algorithm Software
V-Shaped model
Verification Validation
12
V-Shaped Model
Requirement
(Risk Management)
13
V-shaped Model (high
reliability) hospital patient control
applications
Requirement
14
Spiral model
15
Spiral model
spiral
16
Spiral model
17
Spiral model
18
Spiral model
19
Spiral model model
risk-driven
Prototype
product
product
20
Iterative and Incremental Model
Requirement1
SA
SD
Imp
Op
Iteration1
Built1
Requirement2
SA
SD
Imp
Op
Iteration2
Built1 Built2
Requirement3
SA
SD
Imp
Op
Iteration3
Built1 Built2 Built3
21
Iterative and Incremental Model
SDLC
()
()
22
Agile ProcessAgile
Agile Process
Agile
RAD
. . 1970
. . 1990 23
Agile ProcessAgile 4
[Agile Alliance 2001]
1.
2.
3.
4.
24
Agile ProcessAgile XP
ASD
Scrum
DSDM
Crystal
FDD
AM25
Extreme Programming (XP) Kent Beck
. . 1999
Iteration and Incremental
4 26
Extreme Programming (XP)
27
Planning)
Design)
Coding)Testing
)
ReleaseSoftware
Increment
User StoryIteration Plan
Simple DesignSpike Solution : Prototype
Unit TestContinuous integrationAcceptance Test
Pair ProgrammingUnit TestContinuous Integrations
Adaptive Software Development (ASD)
-Jim Highsmith
28
Adaptive Software Development (ASD)
29
Speculation
Collaboration
LearningRelease
Adaptive cycle planningMission
statementProject
constraintsBasic
requirementsTime-boxed release plan
Requirements gathering
JADMini-specs
Components implemented/tested
Focus groups for feedback
Formal technical reviews postmortems
Software increment adjustments for subsequent
cycles
Adaptive Software Development (ASD)
Speculation
Collaboration
30
Adaptive Software Development (ASD)
Collaboration
31
Adaptive Software Development (ASD)
Learning
3
Focus Groups /
Formal Technical Review)
Postmortems32
Scrum
Scrum Jeff Sutherland
1990
SchwaberBeedle
33
Scrum Scrum
34
Scrum Scrum
Sprint)
35
Dynamic System Development Method (DSDM)
DSDM
DSDM => 80% 20%
DSDM 80%
36
Dynamic System Development Method (DSDM)
DSDM
Feasibility Study
Business Study
Functional Model Iteration 37
Dynamic System Development Method (DSDM)
DSDM
Design and Build Iteration
Implementation)
38
Crystal Alistair Cockburn Jim
Highsmith
Crystal
Cockburn Highsmith39
Crystal
Crystal
Crystal Yellow, Crystal Orange
Crystal Family
40
Crystal
Crystal
o “Human-powered”o “Ultralight”o “Stretch-to-fit”
41
Feature Driven Development (FDD)
Peter Coad
Stephen Palmer John FelsingCoad
42
Feature Driven Development (FDD)
FDD
43
Agile Modeling (AM)
Scott Amble Agile
Agile
Agile 44
Agile Modeling (AM)
AM
Model with a purpose
Use multiple models
Travel light
Content is more important than representation
45
CMM ()
Process Improvement
Total Quality Management (TQM) Business Process Redesign (BPR) Continuous Process Improvement (CPI) Six Sigma CMM
46
CMM()
Capability
Maturity Model : CMM
SW-CMM (Software Capability Maturity
Model)
Software Engineering Institute : SEI
47
Capability
Maturity Model : CMM
48
5
Optimizing4
Managed3
Defined2
Repeatable
1
Initial
Capability
Maturity Model : CMM
1 The initial
Level
49
Capability
Maturity Model : CMM
2 The
Repeatable Level
50
Capability
Maturity Model : CMM
3 The
Defined Level
2
Documented and
Integrated Process
51
Capability
Maturity Model : CMM
4 The
Managed Level
Standard
52
Capability
Maturity Model : CMM
5 The
Optimizing Level
Learning
Organization
Technology
Knowledge Based53
Capability Maturity Model :
CMM
Key
Process Area (KPA)
KPA
54
CMM
55
CMMKPA
1 (Initial)
2 (Repeatable)
3 (Defined)
CMM
56
CMMKPA
4 (Managed)
5 (Optimizing)
Capability
Maturity Model : CMM
KPA CMM
57
Tool
Project Management Application ( Microsoft
Project)
Word Processor/Text Editor
Integrated Development Environment (IDE)
Drawing/Graphics Application ( Rational
Rose, Visible Analyst, Visual 58
CASE Tools
CASE (Computer-Aided Software
Engineering)
CASE Tool
Design Editor
Data Dictionary
Compiler
Debugger) 59
CASE Tools
CASE
CASE Repository
CASE
CASE
CASE 60
CASE
CASE Tool
CASE Tools
(Functional Perspective)
Process Perspective
CASE
Tools Integration 61
CASE
CASE Tools 8
1. Software
Requirement Tool
2. Software Design Tools
3. Software Construction
Tools
4. Software Testing Tools
5. Software Maintenance
Tools
6. Software Configuration
Management Tools
Software
62
CASE
1.
Software Requirement Tool
2
-
Requirement Modeling Tools
-
Requirement Traceability Tools
63
CASE
2. Software Design Tools
-
-
Rational Rose, EA
3. Software Construction
Tools
-
- Program Editor
- Compiler
- Interpreter
- Debugger
64
CASE
4. Software Testing
Tools
- Testing Generation
- Test Execution
Framework
- Test Evaluation
Tools
- Test Management
Tools65
CASE
5. Software
Maintenance Tools
2
1. Comprehension
Tools
2. Reengineering
Tools
6. Software 66
CASE
7. Software
Engineering Management Tools
- Project Planning
and Tracking
- Risk Management
- Measurement
8. Software Quality Tools)
- Inspection Tools
67
CASE Tools
Integrated CASE Environment
- CASE Tool
- CASE Tool
Meta Tools
- Editor
68
Methodologies
-
-
1. Structured Approach
2. Object – oriented
Approach
3. Heuristic Methodology
4. Formal Methodology69
1. Structured Approach)
Sub-System)
Structured System Analysis and Design: SSAD)” Yourdan
70
1. Structured Approach)
71
72
-
2. Object – Oriented Approach)
Grady Booch, James Rumbaugh Ivar Jacobson
Object-Oriented System
Analysis and Design)
Object)73
2. Object – Oriented Approach)
74
75
InvoiceIDNo.AddressA/C No.AmountComputer value of goodsComputer discountComputer Ad.ChargeComputer Invoice Amount
objectAttributes
Methods
3. Heuristic Methodology
- Informal Method
-
- Methodology
- Structured Methodology/Approach
- Object-oriented Methodology 76
4. Formal Methodology
-2
1. Formal Specification
2. Formal Verification
77
- Agile
- Extreme Programming (XP)
Agile
4
-
-78
-Adaptive Software Development (ASD)
-
-
- ASD
-
79
- Dynamic Systems Development Method
(DSDM)
-
-
-
- DSDM 80
- Scrum (
-
- Crystal (
-
Agile
-81
- Feature Driven Development (FDD)
- Agile
-
-
- FDD
- Agile Modeling (AM)
-
- 82
-
Process
-
Software Process Software
Development Process
-
- (Software
Engineering Process) 83
-
Process
Improvement
- SEI
Capability Maturity Model : CMM
84