Modernizing Legacy Systems: Software Technologies, Engineering Processes, and Business Practices
Modernizing Legacy Systems: Software Technologies, Engineering Processes, and Business Practices
ISBN: 0321118847
EAN: 2147483647
EAN: 2147483647
Year: 2003
Pages: 142
Pages: 142
- Main Page
- Table of content
- Copyright
- Preface
- Audience
- Organization and Content
- Acknowledgments
- Chapter 1. The Legacy Crisis
- 1.1 Modernization Challenges
- 1.2 How Did We Get Here?
- 1.3 The Legacy Crisis
- 1.4 Evolving Legacy Systems
- 1.5 Software Reengineering
- 1.6 Incremental Development and Deployment
- 1.7 Summary
- 1.8 For Further Reading
- Chapter 2. The Beast
- 2.1 The Retail Supply System
- 2.2 Recent History
- 2.3 Summary
- Chapter 3. Risk-Managed Modernization
- 3.1 Risk Management
- 3.2 Summary
- Chapter 4. Developing the Business Case
- 4.1 Where Are We?
- 4.2 Identify Stakeholders
- 4.3 Understand Requirements
- 4.4 RSS Requirements
- 4.5 Create a Business Case
- 4.6 The RSS Business Case
- 4.7 Summary
- 4.8 For Further Reading
- Chapter 5. Understanding the Legacy System
- 5.1 Where Are We?
- 5.2 The Context for Program Understanding: The Horseshoe Model
- 5.3 Reconstruction
- 5.4 Architecture Reconstruction
- 5.5 Issues
- 5.6 Summary
- 5.7 For Further Reading
- Chapter 6. Architecture Representation
- 6.1 Where Are We?
- 6.2 Purpose of Architecture Representation
- 6.3 Architecture Representation Requirements
- 6.4 Architectural Views
- 6.5 Additional Considerations
- 6.6 Summary
- 6.7 For Further Reading
- Chapter 7. Languages and Data Management
- 7.1 Where Are We?
- 7.2 COBOL
- 7.3 Java
- 7.4 Data Repositories
- 7.5 Data Representations for Information Exchange
- 7.6 Summary
- Chapter 8. Transaction Technology
- 8.1 Where Are We?
- 8.2 Distributed Communication
- 8.3 Transactions
- 8.4 Distributed Transactional Operations
- 8.5 Comparison of Transactional Models
- 8.6 Standards
- 8.7 Products
- 8.8 Summary
- Chapter 9. Software Infrfastructure
- 9.1 Where Are We?
- 9.2 Enterprise JavaBeans
- 9.3 Message-Oriented Middleware
- 9.4 Java 2 Enterprise Edition
- 9.5 XML Messaging
- 9.6 Summary
- Chapter 10. Maintaining Transactional Context
- 10.1 Where Are We?
- 10.2 Model Problem: Retail Supply System
- 10.3 Contingency Planning
- 10.4 Definition of the Model Problem
- 10.5 Solution of the Model Problem
- 10.6 Evaluation
- 10.7 Summary
- Chapter 11. Business Object Integration
- 11.1 Where Are We?
- 11.2 A Tale of Two Architectures
- 11.3 Quality Attributes
- 11.4 Summary
- Chapter 12. Target Architecture
- 12.1 Where Are We?
- 12.2 Forces Affecting the Architecture
- 12.3 Overview of the Architecture
- 12.4 Architectural Patterns
- 12.5 Summary
- Chapter 13. Architecture Transformation
- 13.1 Where Are We?
- 13.2 Data Adapters
- 13.3 Logic Adapters
- 13.4 Architecture Transformation Strategy
- 13.5 Componentization Trail Maps
- 13.6 Use of Adapters in RSS
- 13.7 Summary
- Chapter 14. System Preparation
- 14.1 Where Are We?
- 14.2 Analysis of Alternatives
- 14.3 Summary
- Chapter 15. Code and Data Migration
- 15.1 Where Are We?
- 15.2 Structural Analysis
- 15.3 Code Migration Plan
- 15.4 Data Migration Plan
- 15.5 Summary
- Chapter 16. Integrated Plan
- 16.1 Where Are We?
- 16.2 Reconciliation Objectives
- 16.3 Reconciliation Plan
- 16.4 Stakeholder Priorities
- 16.5 Stakeholder Ideal Profiles
- 16.6 Stakeholder Consensus Meetings
- 16.7 Code-Migration Prioritization Results
- 16.8 Summary
- Chapter 17. Resource Estimation
- 17.1 Where Are We?
- 17.2 Cost Estimation Overview
- 17.3 Costing an Increment
- 17.4 Estimation of Cost and Duration
- 17.5 Costing the Preparation Work
- 17.6 Costing the Final Database Migration
- 17.7 Data Collection
- 17.8 Summary
- 17.9 For Further Reading
- Chapter 18. Recommendations
- 18.1 Find a Better Way
- 18.2 Use Commercial Components
- 18.3 Manage Complexity
- 18.4 Develop and Deploy Incrementally
- 18.5 Software Engineering Skills
- 18.6 Component-Centric Approach
- 18.7 Architecture-Centric Approach
- 18.8 High Levels of Concurrent Development
- 18.9 Continuous Integration
- 18.10 Risk-Managed Development
- 18.11 Final Word
- References
- Acronyms
Modernizing Legacy Systems: Software Technologies, Engineering Processes, and Business Practices
ISBN: 0321118847
EAN: 2147483647
EAN: 2147483647
Year: 2003
Pages: 142
Pages: 142