SOA Cookbook Table of Contents

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Table of Contents

Preface
Chapter 1: SOA Survival Guide
Chapter 2: Drawing SOA Architecture
Chapter 3: Separating BPM and SOA Processes
Chapter 4: Modeling Orchestration and Choreography
Chapter 5: Short and Long-Running Processes
Chapter 6: Flat Form
Chapter 7: Dynamic Processes and the Change Problem
Chapter 8: Simulating SOA
Chapter 9: Measuring SOA Complexity
Index

• 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

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