Enterprise Application Integration Book

Preface

Chapter 1 - Defining EAI
What is EAI?
Applying Technology
How Did Things Get this Bad?
Chaos Today. Order Tomorrow.
Evolution of Stovepipes
Traditional Systems (AKA, Legacy)
Distributed Systems
Packaged Applications
Making the Business Case for EAI
eBusiness
Types of EAI
Middleware and EAI

Chapter 2 - Understanding Data Level EAI
Going for the Data
Data-Level EAI By Example
Database To DatabaseEAI
Federated Database EAI
Consider the Data Source
Relational Data
Object-Oriented
Multidimensional
Other Data Storage Models
Hierarchical
ISAM and VSAM
CODASYL
Adabas
Working with Data Level EAI

Chapter 3 - Interface-Level EAI
Application Interfaces
What's an API?
Interface by Example
Approaching Application Interfaces
The Interface Tradeoff
Packaged Applications
Packaged Application Technology Architecture
Packaged Application APIs
Types of Services
Types of Interfaces
Other Interfaces
Vertical Market Application Interfaces
SWIFT
FIX
HL7
Custom Applications
Rolling Your Own API
Application Wrapping
Using Application Interfqaces

Chapter 4 - Method Level EAI
Method Level EAI
What's a Process?
Scenarios
Rules
Logic
Data
Objects

Method Warehousing
Leveraging Frameworks for EAI
The Value of Frameworks
Framework Functionality
Framework Types
Service Frameworks
Procedural Frameworks
Component Frameworks
Framework Categories
Application Service Frameworks
Domain Frameworks
Support Frameworks
Enabling Tchnology
Application Transaction Servers
Message Brokers
Distributed Objects
Method Level EAI

Chapter 5 - User Interface Level EAI
Leverage User Interface EAI
User Interface Level EAI
Creating the Screen Catalog
Mapping Screens
Finding the Information
Static Extraction
Dynamic Extraction
Error Processing
Approaches
Screens-as-Data
Screens-as-Objects
Enabling Technology
Screen Access Tricks
HLLAPI
ASCII or ANSI
OLE Automation
Screens as Objects

Chapter 6 - Implementing EAI
Applying a Procedure/Methodology
Understanding the Enterprise and Problem Domain
Making Sense of the Data
Identifying the Data
The Data Dictionary
Integrity Issues
Data Latency
Data Formats
Data Cataloging
Building the Enterprise Metadata Model
Logical Model
Physical Model
Normalizing the Enterprise
Making Sense of the Processes
Process Integration
Process Cataloging
The Common Business Model
Leveraging Patterns for Method Level EAI
Types of Patterns
Application to EAI
The Value of Patterns
Step 4: Identify Application Interfaces
Application Interface Directory
Business Processes
Step 5: Identify the Business Events
Step 6: Identify the Data Transformation Scenarios
Step 7: Map Information Movement
Step 8: Apply Technology
Step 9: Test, test, test
Step 10: Consider Performance
Step 11: Define the Value
Step 12: Create Maintenance Procedures
Method or Madness?

Chapter 7 - EAI and Middleware -An Introduction
Middleware: The Engine of EAI
What's Middleware?
Types of Middleware
RPCs
Message-Oriented Middleware
Distributed Objects
Database-Oriented
TP Monitors
Application Servers
Message Brokers
Middleware Models
One-to-one vs. Many-to-many
Point-to-point Middleware
Many-to-many Middleware
Synchronous vs. Asynchronous
Connection-Oriented, and Connectionless
Direct Communications
Queued Communications
Publish/Subscribe
Request Response
Fire, and Forget
Conversational Mode
Tough Choices

Chapter 8 - Transactional Middleware and EAI
Notion of a Transaction
The ACID Test
Scaleable Development
Database Multiplexing
Load Balancing
Fault Tolerance
Communications
XA and X/Open
Building Transactions
Application Servers
Transactions Evolving
Enterprise Java Beans
Transactional ActiveX
Transactional Future

Chapter 9 - Messaging, RPCs, and EAI
RPCs
DCE
Message-Oriented Middleware (MOM)
MSMQ
Using MSMQ
IBM MQ Series
MQ Upgrade
MQ Series Features
MQ Publish/Subscribe
Getting the Message

Chapter 10 - Distributed Objects and EAI
What Works
What's so Difficult?
What's so Easy?
What's a Distributed Object?
The General Idea
CORBA
Shortfalls
CORBA Internals
ORB
Object Services
Common Facilities
Application Objects
Component Object Model (COM)
OLE Automation
Moving to DCOM
The Realities

Chapter 11 - Database-Oriented Middleware and EAI
What's Database-Oriented Middleware?
Types of Database-Oriented Middleware
ODBC
JDBC
Types of JDBC Drivers
Other JDBC Features
Java, JDBC, and EAI
OLE DB
Going Native
Database Gateways
EDA/SQL
RDA
DRDA
Ready for Prime Time

Chapter Twelve - Java Middleware Standards and EAI
Categories of Java Middleware Standards
Database-Oriented
Inter-Process
Message-Oriented
Messaging Models
JMS and Application Development
Application Hosting
Distributed Object Technology
The Future of Java and Middleware

Chapter 13 - Implementing and Integrating Packaged Applications -The General Idea
Why Packaged Applications?
Installing Packaged Applications
Business Drivers
Architectures Drive Success
Testing What's Already Been Tested
Implementing Specific Packages
Packaged Application Tools
Database Issues
Web-Enablement
The Opportunity
Web-Enabled Selling and EAI
Integrating the Supply Chain
Applying EAI to Packaged Applications
Our Packaged Future

Chapter 14 - Integrating SAP R/3
The Basic Problem
SAP Architecture
The SAP Repository
The SAP Presentation Layer
The SAP Application Server Layer
The SAP Database Layer
SAP Middleware
CPI-C
RFC
Transactions and RFCs
ALE
IDOC
BAPI
Using the Repository
SAP and EAI

Chapter 15 - Integrating PeopleSoft
PeopleSoft Architecture
Data Level
Data Mover
SQRs and Moving Data
Workflow and Moving Data
Application Interfaces
Screen Scraping
EDI
Workflow
Application Designer
Message Agent API
Workstation
What's Best?

Chapter 16 - Supply Chain Integration: Inter-Enterprise Application Integration
Defining Your Supply Chain
Extending EAI Outside the Enterprise
Binding The Home System to a Stranger's
The Process
Supply Chain Technology
ERPs and the Supply Chain
Supply Chains Organize

Chapter 17 - XML and EAI
The Rise of XML
What's XML?
Data Structures
DTDs
XML Parsers
XML Metadata
XML and Middleware
Persistent XML
RDF and EAI
XSL and EAI
XML and EAI

Chapter Eighteen - Message Brokers -- The Preferred EAI Engine
Integration, not Perspiration
Why a New Direction?
Considering the Source (and Target)
Message Translation Layer
Schema Conversions
Data Conversion
Intelligent Routing
Rules Processing
Message Warehousing
Repository Services
Graphical User Interface
Directory Services
Management
Adapters
Thin Adapters
Thick Adapters
Using an API
Topologies
The Future of EAI and Brokers

Chapter 19 - Process Automation and EAI
What's Process Automation?
Process Automation and EAI Levels
Implementing Process Automation
Documenting Processes
Defining Processes
Executing Processes
Tools and Approaches
Process Modeling
Middleware Interfaces
Workflow Standards
Process Automation and EAI

Chapter 20 - EAI Moving Forward
Problem Domains Change
Moving from Intra- to Inter-Enterprise Application Integration
Moving from Data Level to Application Level Integration
Loose Ends
Security
Performance
Administration
Vendor Approaches
Data Oriented
Data Replication
Data Federation
Application Integration Oriented
Process Automation Oriented
Transaction Oriented
Distributed Object Oriented
Technologies Join Forces
Future Directions
Importance of the Architecture
Importance of Application Design
EAI and the Modern Enterprise