CONTENIDO Chapter 1 Key Application Integration Technologies 1 Chapter 2 System Considerations 15 Chapter 3 A Sample Integrated Solution 21 Chapter 4 The Layers of an Integrated Solution 31 Chapter 5 Building Integrated Solutions - A Process Overview 35 Chapter 6 Modeling the User Interface Layer 41 Chapter 7 Designing the User Interface Layer 55 Chapter 8 Designing the Data Access Layer 87 Chapter 9 Enterprise-wide Data Access 101 Chapter 10 Designing the Data Source Layer 115 Chapter 11 Designing the Communications Layer 131 Chapter 12 A Glimpse at the Future 155