Software Architecture in Practice (SEI Series in Software Engineering)

About This eBook
Halftitle Page
Title Page
Copyright Page
Contents
Preface
Acknowledgments
Part I: Introduction
	1. What Is Software Architecture?
		1.1 What Software Architecture Is and What It Isn’t
		1.2 Architectural Structures and Views
		1.3 What Makes a “Good” Architecture?
		1.4 Summary
		1.5 For Further Reading
		1.6 Discussion Questions
	2. Why Is Software Architecture Important?
		2.1 Inhibiting or Enabling a System’s Quality Attributes
		2.2 Reasoning about and Managing Change
		2.3 Predicting System Qualities
		2.4 Communication among Stakeholders
		2.5 Early Design Decisions
		2.6 Constraints on Implementation
		2.7 Influences on Organizational Structure
		2.8 Enabling Incremental Development
		2.9 Cost and Schedule Estimates
		2.10 Transferable, Reusable Model
		2.11 Architecture Allows Incorporation of Independently Developed Elements
		2.12 Restricting the Vocabulary of Design Alternatives
		2.13 A Basis for Training
		2.14 Summary
		2.15 For Further Reading
		2.16 Discussion Questions
Part II: Quality Attributes
	3. Understanding Quality Attributes
		3.1 Functionality
		3.2 Quality Attribute Considerations
		3.3 Specifying Quality Attribute Requirements: Quality Attribute Scenarios
		3.4 Achieving Quality Attributes through Architectural Patterns and Tactics
		3.5 Designing with Tactics
		3.6 Analyzing Quality Attribute Design Decisions: Tactics-Based Questionnaires
		3.7 Summary
		3.8 For Further Reading
		3.9 Discussion Questions
	4. Availability
		4.1 Availability General Scenario
		4.2 Tactics for Availability
		4.3 Tactics-Based Questionnaire for Availability
		4.4 Patterns for Availability
		4.5 For Further Reading
		4.6 Discussion Questions
	5. Deployability
		5.1 Continuous Deployment
		5.2 Deployability
		5.3 Deployability General Scenario
		5.4 Tactics for Deployability
		5.5 Tactics-Based Questionnaire for Deployability
		5.6 Patterns for Deployability
		5.7 For Further Reading
		5.8 Discussion Questions
	6. Energy Efficiency
		6.1 Energy Efficiency General Scenario
		6.2 Tactics for Energy Efficiency
		6.3 Tactics-Based Questionnaire for Energy Efficiency
		6.4 Patterns
		6.5 For Further Reading
		6.6 Discussion Questions
	7. Integrability
		7.1 Evaluating the Integrability of an Architecture
		7.2 General Scenario for Integrability
		7.3 Integrability Tactics
		7.4 Tactics-Based Questionnaire for Integrability
		7.5 Patterns
		7.6 For Further Reading
		7.7 Discussion Questions
	8. Modifiability
		8.1 Modifiability General Scenario
		8.2 Tactics for Modifiability
		8.3 Tactics-Based Questionnaire for Modifiability
		8.4 Patterns
		8.5 For Further Reading
		8.6 Discussion Questions
	9. Performance
		9.1 Performance General Scenario
		9.2 Tactics for Performance
		9.3 Tactics-Based Questionnaire for Performance
		9.4 Patterns for Performance
		9.5 For Further Reading
		9.6 Discussion Questions
	10. Safety
		10.1 Safety General Scenario
		10.2 Tactics for Safety
		10.3 Tactics-Based Questionnaire for Safety
		10.4 Patterns for Safety
		10.5 For Further Reading
		10.6 Discussion Questions
	11. Security
		11.1 Security General Scenario
		11.2 Tactics for Security
		11.3 Tactics-Based Questionnaire for Security
		11.4 Patterns for Security
		11.5 For Further Reading
		11.6 Discussion Questions
	12. Testability
		12.1 Testability General Scenario
		12.2 Tactics for Testability
		12.3 Tactics-Based Questionnaire for Testability
		12.4 Patterns for Testability
		12.5 For Further Reading
		12.6 Discussion Questions
	13. Usability
		13.1 Usability General Scenario
		13.2 Tactics for Usability
		13.3 Tactics-Based Questionnaire for Usability
		13.4 Patterns for Usability
		13.5 For Further Reading
		13.6 Discussion Questions
	14. Working with Other Quality Attributes
		14.1 Other Kinds of Quality Attributes
		14.2 Using Standard Lists of Quality Attributes—Or Not
		14.3 Dealing with “X-Ability”: Bringing a New QA into the Fold
		14.4 For Further Reading
		14.5 Discussion Questions
Part III: Architectural Solutions
	15. Software Interfaces
		15.1 Interface Concepts
		15.2 Designing an Interface
		15.3 Documenting the Interface
		15.4 Summary
		15.5 For Further Reading
		15.6 Discussion Questions
	16. Virtualization
		16.1 Shared Resources
		16.2 Virtual Machines
		16.3 VM Images
		16.4 Containers
		16.5 Containers and VMs
		16.6 Container Portability
		16.7 Pods
		16.8 Serverless Architecture
		16.9 Summary
		16.10 For Further Reading
		16.11 Discussion Questions
	17. The Cloud and Distributed Computing
		17.1 Cloud Basics
		17.2 Failure in the Cloud
		17.3 Using Multiple Instances to Improve Performance and Availability
		17.4 Summary
		17.5 For Further Reading
		17.6 Discussion Questions
	18. Mobile Systems
		18.1 Energy
		18.2 Network Connectivity
		18.3 Sensors and Actuators
		18.4 Resources
		18.5 Life Cycle
		18.6 Summary
		18.7 For Further Reading
		18.8 Discussion Questions
Part IV: Scalable Architecture Practices
	19. Architecturally Significant Requirements
		19.1 Gathering ASRs from Requirements Documents
		19.2 Gathering ASRs by Interviewing Stakeholders
		19.3 Gathering ASRs by Understanding the Business Goals
		19.4 Capturing ASRs in a Utility Tree
		19.5 Change Happens
		19.6 Summary
		19.7 For Further Reading
		19.8 Discussion Questions
	20. Designing an Architecture
		20.1 Attribute-Driven Design
		20.2 The Steps of ADD
		20.3 More on ADD Step 4: Choose One or More Design Concepts
		20.4 More on ADD Step 5: Producing Structures
		20.5 More on ADD Step 6: Creating Preliminary Documentation during the Design
		20.6 More on ADD Step 7: Perform Analysis of the Current Design and Review the Iteration Goal and Achievement of the Design Purpose
		20.7 Summary
		20.8 For Further Reading
		20.9 Discussion Questions
	21. Evaluating an Architecture
		21.1 Evaluation as a Risk Reduction Activity
		21.2 What Are the Key Evaluation Activities?
		21.3 Who Can Perform the Evaluation?
		21.4 Contextual Factors
		21.5 The Architecture Tradeoff Analysis Method
		21.6 Lightweight Architecture Evaluation
		21.7 Summary
		21.8 For Further Reading
		21.9 Discussion Questions
	22. Documenting an Architecture
		22.1 Uses and Audiences for Architecture Documentation
		22.2 Notations
		22.3 Views
		22.4 Combining Views
		22.5 Documenting Behavior
		22.6 Beyond Views
		22.7 Documenting the Rationale
		22.8 Architecture Stakeholders
		22.9 Practical Considerations
		22.10 Summary
		22.11 For Further Reading
		22.12 Discussion Questions
	23. Managing Architecture Debt
		23.1 Determining Whether You Have an Architecture Debt Problem
		23.2 Discovering Hotspots
		23.3 Example
		23.4 Automation
		23.5 Summary
		23.6 For Further Reading
		23.7 Discussion Questions
Part V: Architecture and the Organization
	24. The Role of Architects in Projects
		24.1 The Architect and the Project Manager
		24.2 Incremental Architecture and Stakeholders
		24.3 Architecture and Agile Development
		24.4 Architecture and Distributed Development
		24.5 Summary
		24.6 For Further Reading
		24.7 Discussion Questions
	25. Architecture Competence
		25.1 Competence of Individuals: Duties, Skills, and Knowledge of Architects
		25.2 Competence of a Software Architecture Organization
		25.3 Become a Better Architect
		25.4 Summary
		25.5 For Further Reading
		25.6 Discussion Questions
Part VI: Conclusions
	26. A Glimpse of the Future: Quantum Computing
		26.1 Single Qubit
		26.2 Quantum Teleportation
		26.3 Quantum Computing and Encryption
		26.4 Other Algorithms
		26.5 Potential Applications
		26.6 Final Thoughts
		26.7 For Further Reading
References
About the Authors
Index