دانلود کتاب Righting Software

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Cover Title Page Copyright Page Contents Preface About the Author Chapter 1 The Method What Is The Method? Design Validation Time Crunch Eliminating Analysis-Paralysis Communication What The Method Is Not Part I: System Design Chapter 2 Decomposition Avoid Functional Decomposition Problems with Functional Decomposition Reflecting on Functional Decomposition Avoid Domain Decomposition Faulty Motivation Testability and Design Example: Functional Trading System Volatility-Based Decomposition Decomposition, Maintenance, and Development Universal Principle Volatility-Based Decomposition and Testing The Volatility Challenge Identifying Volatility Volatile versus Variable Axes of Volatility Solutions Masquerading as Requirements Volatilities List Example: Volatility-Based Trading System Resist the Siren Song Volatility and the Business Design for Your Competitors Volatility and Longevity The Importance of Practicing Chapter 3 Structure Use Cases and Requirements Required Behaviors Layered Approach Using Services Typical Layers The Client Layer The Business Logic Layer The ResourceAccess Layer The Resource Layer Utilities Bar Classification Guidelines What’s in a Name The Four Questions Managers-to-Engines Ratio Key Observations Subsystems and Services Incremental Construction About Microservices Open and Closed Architectures Open Architecture Closed Architecture Semi-Closed/Semi-Open Architecture Relaxing the Rules Design "Don’ts" Strive for Symmetry Chapter 4 Composition Requirements and Changes Resenting Change Design Prime Directive Composable Design Core Use Cases The Architect’s Mission There Is No Feature Handling Change Containing the Change Chapter 5 System Design Example System Overview Legacy System New System The Company Use Cases The Anti-Design Effort The Monolith Granular Building Blocks Domain Decomposition Business Alignment The Vision The Business Objectives Mission Statement The Architecture TradeMe Glossary TradeMe Areas of Volatility Static Architecture Operational Concepts Workflow Manager Design Validation Add Tradesman/Contractor Use Case Request Tradesman Use Case Match Tradesman Use Case Assign Tradesman Use Case Terminate Tradesman Use Case Pay Tradesman Use Case Create Project Use Case Close Project Use Case What’s Next? Part II: Project Design Chapter 6 Motivation Why Project Design? Project Design and Project Sanity Assembly Instructions Hierarchy of Needs Chapter 7 Project Design Overview Defining Success Reporting Success Project Initial Staffing Architect, Not Architects The Core Team Educated Decisions Plans, Not Plan Software Development Plan Review Services and Developers Design and Team Efficiency Task Continuity Effort Estimations Classic Mistakes Estimation Techniques Overall Project Estimation Activity Estimations Critical Path Analysis Project Network The Critical Path Assigning Resources Scheduling Activities Staffing Distribution Project Cost Project Efficiency Earned Value Planning Classic Mistakes The Shallow S Curve Roles and Responsibilities Chapter 8 Network and Float The Network Diagram The Node Diagram The Arrow Diagram Arrow versus Node Diagrams Floats Total Float Free Float Calculating Floats Visualizing Floats Floats-Based Scheduling Float and Risk Chapter 9 Time and Cost Accelerating Software Projects Schedule Compression Working with Better Resources Working in Parallel Parallel Work and Cost Time–Cost Curve Points on Time–Cost Curve Discrete Modeling Avoiding Classic Mistakes Project Feasibility Finding Normal Solutions Project Cost Elements Direct Cost Indirect Cost Accounting versus Value Total, Direct, and Indirect Costs Compression and Cost Elements Staffing and Cost Elements Fixed Cost Network Compression Compression Flow Chapter 10 Risk Choosing Options Time–Risk Curve Actual Time–Risk Curve Risk Modeling Normalizing Risk Risk and Floats Risk and Direct Cost Criticality Risk Fibonacci Risk Activity Risk Criticality versus Activity Risk Compression and Risk Execution Risk Risk Decompression How to Decompress Decompression Target Risk Metrics Chapter 11 Project Design in Action The Mission The Static Architecture The Call Chains List of Activities Network Diagram Planning Assumptions Finding the Normal Solution Unlimited Resources (Iteration 1) Network and Resource Problems Infrastructure First (Iteration 2) Limited Resources Going Subcritical (Iteration 7) Choosing the Normal Solution Network Compression Compression Using Better Resources Introducing Parallel Work End of Compression Iterations Throughput Analysis Efficiency Analysis Time–Cost Curve Time–Cost Correlation Models The Death Zone Planning and Risk Risk Decompression Rebuilding the Time–Cost Curve Modeling Risk Risk Inclusion and Exclusion SDP Review Presenting the Options Chapter 12 Advanced Techniques God Activities Handling God Activities Risk Crossover Point Deriving the Crossover Point Finding the Decompression Target Geometric Risk Geometric Criticality Risk Geometric Fibonacci Risk Geometric Activity Risk Geometric Risk Behavior Execution Complexity Cyclomatic Complexity Project Type and Complexity Compression and Complexity Very Large Projects Complex Systems and Fragility Network of Networks Designing a Network of Networks Small Projects Design by Layers Pros and Cons Layers and Construction Chapter 13 Project Design Example Estimations Individual Activity Estimations Overall Project Estimation Dependencies and Project Network Behavioral Dependencies Nonbehavioral Dependencies Overriding Some Dependencies Sanity Checks The Normal Solution Network Diagram Planned Progress Planned Staffing Distribution Cost and Efficiency Results Summary Compressed Solution Adding Enabling Activities Assigning Resources Planned Progress Planned Staffing Distribution Cost and Efficiency Results Summary Design by Layers Design by Layers and Risk Staffing Distribution Results Summary Subcritical Solution Duration, Planned Progress, and Risk Cost and Efficiency Results Summary Comparing the Options Planning and Risk Risk Decompression Recalculating Cost Preparing for the SDP Review Chapter 14 Concluding Thoughts When to Design a Project The Real Answer Getting Ahead in Life General Guidelines Architecture versus Estimations Design Stance Optionality Compression Planning and Risk Design of Project Design In Perspective Subsystems and the Timeline The Hand-Off Junior Hand-Off Senior Hand-Off Senior Developers as Junior Architects In Practice Debriefing Project Design About Quality Quality-Control Activities Quality-Assurance Activities Quality and Culture Appendix A: Project Tracking Activity Life Cycle and Status Phase Exit Criteria Phase Weight Activity Status Project Status Progress and Earned Value Accumulated Effort Accumulated Indirect Cost Tracking Progress and Effort Projections Projections and Corrective Actions All Is Well Underestimating Resource Leak Overestimating More on Projections The Essence of a Project Handling Scope Creep Building Trust Appendix B: Service Contract Design Is This a Good Design? Modularity and Cost Cost per Service Integration Cost Area of Minimum Cost Services and Contracts Contracts as Facets From Service Design to Contract Design Attributes of Good Contracts Factoring Contracts Design Example Factoring Down Factoring Sideways Factoring Up Contract Design Metrics Measuring Contracts Size Metrics Avoid Properties Limit the Number of Contracts Using Metrics The Contract Design Challenge Appendix C: Design Standard The Prime Directive Directives System Design Guidelines Project Design Guidelines Project Tracking Guidelines Service Contract Design Guidelines Index A B C D E F G H I J K L M N O P Q R S T U V W