SOA Cookbook Table of Contents

Table of Contents

• Preface

• Chapter 1: SOA Survival Guide
• SOA from 184 Billion Feet
• The Model Stack
• The Secret They Couldn't Hide—SOA is Process-Oriented
• Summary

• Chapter 2: Drawing SOA Architecture
• The 4+1 Structure of an SOA Architecture Document
• Using ARIS Methodology to Organize the Logical View
• Example—Competitive Enrollment
• Data and Service Interfaces for Retailer Enrollment
• BPMN Processes for Retailer Enrollment
• Enrollment Process
• Drop Process
• Switch Process
• ESB Processes
• Traceability to Functional Requirements
• Summary of BPMN Processes
• Service Composition of Retailer Enrollment Using SCA
• On Modeling Tools
• Summary

• Chapter 3: Separating BPM and SOA Processes
• The Model Stack
• A Reference Architecture
• Vendor Offerings
• Where Does BPEL Fit?
• Design Tips on Separating BPM and SOA
• Example—Process for Handling Credit Card Disputes
• Disputes on the Model Stack
• BPM-Oriented Disputes with TIBCO
• Architecture
• iProcess Business Processes
• BusinessWorks Orchestration Processes
• ActiveMatrix ESB Processes
• SOA-Oriented Disputes with BEA
• Architecture
• Weblogic Integration Orchestration Process
• About the Examples
• Summary

• Chapter 4: Modeling Orchestration and Choreography
• Choreography versus Orchestration
• Examples—Energy Enrollment, Email Bank Transfer
• Modeling Choreography in BPMN
• The Invisible Hub in BPEL
• Choreography in WS-CDL with Pi4SOA
• Defining Roles and Relationships
• Building a Control Flow of Interactions
• Generating a BPEL Role Process
• Tips on Modeling Orchestration
• Dependable Routing
• About the Examples
• Summary

• Chapter 5: Short and Long-Running Processes
• Process Duration—the Long and Short of It
• Stateful and Stateless Processes in BEA's Weblogic Integration
• How to Keep Long-Running State
• State in Oracle's BPEL Process Manager
• State in BEA's Weblogic Integration
• Our Own State Model
• Combining Short-Running Processes with State in TIBCO's BusinessWorks
• Our Use Case—Sending Money by Email
• The Router Process
• The Request Process
• The Transfer Process
• The Cancellation Process
• The Expiration Process
• A Note on Implementation
• Fast Short-Running BPEL
• Uses of Short-Running Processes
• Architecture for Short-Running Processes
• Example of a Very Fast Process
• Running the Very Fast Process on the Optimized Engine
• Managing Inbound Events and Timeouts
• Compiled Form
• Compiled Code—What Not To Do
• About the Examples
• Summary

• Chapter 6: Flat Form
• Our Use Case: Credit Card Disputes
• The Disputes Process as Requirements Flowchart
• Disputes in BPEL—Naïve Form
• Naïve BPEL
• The Flatness of Naive Approach
• Disputes in BPEL—Flat State Machine
• Dispute State Diagram
• State Diagram in BPEL
• The Flatness of State Form
• Disputes in BPEL: Flat Event Loop
• The BPEL Event Loop
• The Flatness of Event Form
• Disputes in BPEL: Flat Control Flow
• Arrow Surgery
• Managing Flow in BPEL
• The Flatness of Flow Form
• Flat Concurrency
• Long-Lived Concurrency
• How Not to Design the Voting Process
• The Flat Voting Process
• Advantages and Disadvantages of Flat Form
• About the Examples
• Summary

• Chapter 7: Dynamic Processes and the Change Problem
• The Change Problem
• A Risky Change
• A Riskier Change
• The "Change Region"
• Poor Man's Change: Versioning
• Process-Oriented Methods
• Pre-Migration Intelligence Process
• The Migration Process
• Post-Migration Intelligence Process
• Design Rationale
• Rule-Oriented Methods
• Goal-Oriented Methods
• Processes as Role Activity Diagrams
• Processes as Gantt Charts
• About the Examples
• Summary

• Chapter 8: Simulating SOA
• Simulation, and Why it Suits SOA
• Poisson Processes
• Poisson in Excel
• Discrete Event Simulation
• The Simulation Program
• Tracing a Web Service Simulation Run
• Discrete Simulation and the Real System: A Striking Contrast
• Non-Poisson Processes
• The Ideal SOA Simulator
• BPEL Simulation Examples
• Scenarios
• Queues and Bursts in the Scenarios
• Interpreting the Results of a Simulation
• About the Examples
• Summary

• Chapter 9: Measuring SOA Complexity
• Applying McCabe's Formula for BPEL and TIBCO BusinessWorks
• Calculating McCabe Complexity
• McCabe Complexity for BPEL
• McCabe Complexity for TIBCO's BusinessWorks
• A Better Formula for BPEL
• About the Examples
• Further Reading
• Summary

• Index