SOA 1657 - Application Modernization & SOA Concepts

1. Modernization Case Study

• Objectives
• System Architecture
• Good Architecture
• Cave Drawings to Modern Day
• Information Systems Evolution
• Continued Evolution
• Present Day
• Summary

2. Architectural Styles

• Objectives
• Client-Server Computing
• Client-Server Pros/Cons
• Client-Server Example
• Tiered Architectures
• Single-tier Architecture
• Single-tier Pros/Cons
• Single-tier Example
• Two-tier Architecture
• Two-tier Pros/Cons
• Two-tier Example
• Three-tier Architecture
• Three-tier Pros/Cons
• Three-tier Example
• N-Tier Architecture
• N-Tier Pros/Cons
• N-Tier Example
• Message Oriented Middleware
• MOM Messaging
• Publish/Subscribe Messaging
• Point-to-Point Messaging
• MOM Pros/Cons
• MOM Example
• Service Oriented Architecture
• Service Elements
• SOA Pros/Cons
• SOA Example
• Web 2.0 Architecture
• The Web 2.0 Difference
• Web 2.0 Communities
• Web 2.0 Example
• Summary
• Summary (cont d)

3. SOA Concepts

• Objectives
• Anatomy of an Enterprise
• IT Nightmare
• Understanding by Analogy
• Service Oriented Architecture
• Componentization and Reuse
• Benefits of Service Orientation
• Defining SOA
• Aligning the Enterprise
• What s a Service?
• Service Actors
• Service Layering
• Is SOA a Flash in the Pan?
• Service Orienting the Enterprise
• Service Oriented Thinking
• Summary

4. Getting Started with XML

• An Unstructured Text Document
• An Employee Document
• What is XML ?
• Elements
• First XML
• Why XML?
• Another Example of XML
• Namespaces
• Presentation Style
• Well-formed vs. Valid XML Document
• Is this document well-formed?
• What is XML Schema ?
• Sample XML Schema
• Sample instance document
• Documents Needed
• Link Documents to Schemas
• Advanced XML Technologies
• Uses for XML
• Summary

5. Understanding Services

• Objectives
• Objects, components, services
• When do I need a service?
• Defining Services
• Service Communication Analogy
• Three Key Service Questions
• Connecting the Dots
• Anatomy of a Service
• Dispelling Service Myths
• Summary

6. Application Modernization

• Objectives
• Death of Legacy Systems?
• Other Legacy Systems
• The Modernization Trend
• Modernization Strategies
• Migrate Legacy
• Legacy Migration Examples
• Expose Legacy
• Process-level Integration 1/5
• Process-level Integration 2/5
• Process-level Integration 3/5
• Process-level Integration 4/5
• Process-level Integration 5/5
• Data-level Integration 1/3
• Data-level Integration 2/3
• Data-level Integration 3/3
• Leverage Legacy
• Summary

7. Introduction to Web Services

• Objectives
• What is a Web Service?
• Web Service Quotes
• Enterprise Assets as Services
• Typical Development Workflow
• Advantages of Web Services
• Utilizing Web Services
• Binding via SOAP
• SOAP in Protocol Stack
• SOAP Structure
• SOAP Message Architecture
• SOAP HTTP Request Example
• SOAP HTTP Response Example
• Applying SOAP
• WSDL Overview
• Interface via WSDL
• WSDL Structure
• Applying WSDL
• Key Elements of WSDL
• Simple Example
• A Simple Operation Defined
• Instructor Demo
• Locating a Service
• UDDI Overview
• UDDI Terminology
• UDDI Structure
• Applying UDDI
• WS-I Overview
• WS-I Deliverables
• Summary

8. Enterprise Service Bus (ESB)

• Objectives
• SOA and the ESB Pattern
• Loose Coupling
• Service Invocation
• Business Process
• Data Integration
• Enterprise Service Bus (ESB)
• Legacy System Integration
• Unsupported Protocol
• The Role of ESB in SOA
• Logical Centralized Bus
• Security and ESB
• Summary

9. SOA Infrastructure and Tools

• SOA Infrastructure and Tools
• Network Appliances
• Enterprise Service Bus
• Service Container
• Business Rules Engine
• Business Activity Monitoring
• Service & Policy Management
• Business Process Engine
• Service Registry
• Service Repository
• Development Tools
• Tool Combinations
• What is the minimum?

10. How a Requirement Becomes a Service

• Objectives
• How a Requirement Becomes a Service
• Requirements Discovery
• Analysis and Design
• Development
• New requirements
• Discovery
• Analysis & Design
• Service Development 1/4
• Service Development 2/4
• Service Development 3/4
• Service Development 4/4
• Summary

11. Mainframe SOA Advantages

• Objectives
• The value of modernization
• Mainframe SOA is value added
• Mainframe offers unique value
• Mission Critical SOA
• Leverage Legacy
• Summary

12. Modernization Challenges and Strategies

• Objectives
• Managing Modernization Challenges
• Business Logic Challenges
• Data Challenges
• General Recommendations
• Migration Modernization
• Migration Best Practices
• Incremental and Partial Migration
• First Phase of Migration
• Migrate More?
• Incremental and Partial Migration
• Second Phase of Migration
• Partial Migration Close-out
• Incremental/Wholesale Migration Close-out
• Don t Forget the People
• Best Practices for Exposing 1/2
• Best Practices for Exposing 2/2
• Best Practices for Leveraging 1/2
• Best Practices for Leveraging 2/2
• Hybrid Modernization
• Hybrid Illustration
• Just New Silos?
• Summary

13. Bridging the Skills and Knowledge Gap

• Objectives
• Gauging the Gap
• Core Technologies 1/2
• Core Technologies 2/2
• Advanced Technologies
• Methodologies
• Prioritizing Education Efforts
• Modernization Strategy
• Summary

Appendix A. Web 2.0 Overview

• Objectives
• Web 2.0 Should I upgrade?
• Understanding By Analogy
• Three key elements
• Instructor Demo
• Instructor Demo
• Web 2.0 Innovations - Collaboration
• Web 2.0 Innovations Collaboration
• Instructor Demo
• Summary

Appendix B. Justifying SOA on z/OS

• Section - Outline
• Why SOA on z/OS?
• Development Resource Pool
• Services and mainframe transactions
• Three key objectives for SOA on System z
• Web to 3270 Access Mapping
• Enabling Mainframe Resources for SOA
• Enabling Mainframe Application for SOA
• Three Styles of Application Transformation
• Three Development Approaches
• zSeries Developer s Roadmap for SOA