| List of Figures
Foreword
Preface PART
I: The Overall Strategy 1 Overview 1.1 The
Birth of the Requirements Model
1.2 The Birth of the Architecture Model
1.3 Compatibility of the Models
1.4 Applicability of the Models
1.5 The
System Life Cycle 2 The Role of the Methods
2.1 Structured Methods: What They Are
2.2 System Requirements Model
2.3 System Architecture Model
2.4 System Specification Model
2.5 The Development
Life Cycle
2.6 Structured Methods: What They Are Not
2.7 Summary PART
II: The Requirements Model 3 Overview 3.1
The Structure of the Model 4 The Process Model
4.1 Data Context Methods
4.2 Data Flow Diagrams
4.3 Leveling and Balancing
4.4 The Numbering System
4.5 Data Flows
4.6 Data Stores
4.7 Process
Specifications
4.8 Interpreting the Process Model
4.9 Summary 5
The Control Model 5.1 Control Context Diagrams
5.2
Control Flow Diagrams
5.3 Control Flows
5.4 Data Conditions
5.5 Control
Stores
5.6 Control Specifications
5.7 Process Controls
5.8 Summary 6
Finite State Machines 6.1 Combinational Machines
6.2
Sequential Machines
6.3 Incorporating Finite State Machines into CSPEC's
6.4 Summary 7 Timing Requirements 7.1
Repetition Rate
7.2 Input-to-Output Response Time
7.3 Summary 8
Requirements Dictionary 8.1 Primitive Attributes
8.2
Group Structure
8.3 Dictionary Data Bases
8.4 Summary 9
Requirements Model Interpretation and Summary 9.1 The Requirements
Model Interpreted
9.2 Requirements Model Summary PART
III: Building the Requirements Model 10 Overview
10.1 Model Users and Builders
10.2 The Sources of Requirements
10.3
The Model Building Processes 11 Getting Started
11.1 User Requirements Statements
11.2 Separating Data and Control
11.3 Establishing the System Context
11.4 Partitioning the Top Levels
11.5 Summary 12 Developing the Model's Structure
12.1 Abstraction and Decomposition
12.2 The Seven-Plus-or-Minus-Two Principle
12.3 Grouping and Decomposing Processes
12.4 Grouping and Decomposing Flows
12.5 Naming Processes and Flows
12.6 Use of Stores
12.7 Functionally Identical
Processes
12.8 De-emphasizing the Control Model
12.9 Control Intensive
Systems
12.10 The Dilemma of Detail: Requirements Versus Design
12.11
The Final Product
12.12 Summary 13 Preparing Process
Specifications 13.1 The Role of Process Specifications
13.2 The Different Types of PSPEC's
13.3 Some Important Signal Conventions
13.4 Structured English
13.5 Annotating with Comments
13.6 Summary 14
Preparing Control Specifications 14.1 Avoiding Control
Specifications
14.2 Combinational Control
14.3 Sequential Control
14.4 Multi-Sheets CSPEC's
14.5 Fitting CSPEC's in
14.6 Summary 15
Defining Timing 15.1 Timing Overview
15.2 Response
Time Specification
15.3 Summary 16 Managing the Dictionary
16.1 Flow Types
16.2 Dictionary Symbols
16.3 Summary PART
IV: The Architecture Model 17 Overview 17.1
Requirements-to-Architecture Template
17.2 Architecture Model Symbols 18
Architecture Diagrams 18.1 Architecture Context Diagrams
18.2 Flows and Interconnects
18.3 Architecture Flow Diagrams
18.4 Architecture
Interconnect Diagrams
18.5 Summary 19 Architecture Dictionary
and Module Specifications 19.1 Architecture Module Specification
19.2 Architecture Interconnect Specification
19.3 Timing Requirements
19.4 Architecture Dictionary
19.5 Summary 20 Completing
the Architecture Model 20.1 Allocation to Hardware and
Software
20.2 The Hardware and Software Architectures
20.3 The Architecture
Model PART V: Building the Architecture Model 21
Overview 21.1 Architecture Development Process
21.2
Systems Come in Hierarchies 22 Enhancing the Requirements
Model 22.1 Input and Output Processing
22.2 User Interface
Processing
22.3 Maintenance and Self-Test Processing
22.4 The Complete
Enhanced Requirements Model
22.5 Technology-Independent Versus Technology-Nonspecific
22.6 Organizational Implications
22.7 Summary 23 Creating
the System Architecture Model 23.1 Architecture Context
Diagram
23.2 Architecture Flow and Interconnect Diagrams
23.3 Example
of AFD and AID Mapping
23.4 Model Consistency and Mapping
23.5 The Complete
Architecture Model
23.6 Summary 24 Creating the Hardware
and Software Architecture Models 24.1 Hardware and Software
Partitioning
24.2 Applying the Template to Software Requirements
24.3
Developing the Software Architecture
24.4 The Hardware and Software Architecture
Process
24.5 Summary 25 Architecture Development Summary
25.1 Partitioning and Modeling Process PART VI: Examples 26
Automobile Management System 26.1 Problem Statement
26.2 Requirements and Architecture Development
26.3 Requirements Model
26.4 Architecture Model 27 Home Heating System
27.1 Problem Statement
27.2 Requirements Model
27.3 Architecture Model 28
Vending Machine 28.1 Customer Dialogue
28.2 Requirements
Model
28.3 Architecture Model APPENDIX A: Standard Symbols
and Definitions A.1 Introduction
A.2 Standard Symbols
A.3 Requirements Model
A.4 Architecture Model APPENDIX
B: Making the Models into Documents B.1 Organizing the
Models
B.2 Military Standards References
Index
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