SOA for Architects and Managers Overview

Corporate IT systems general knowledge required.IT System integration knowledge may be beneficial.

This course has been created for managers and architects planning to implement or currently implementing SOA solutions. It gives the overview of pros and cons of SOA and explains when, why and which part of SOA you should use.

Some of questions the course can answer:

• What are the benefits of employing SOA
• What are the risks associated with the SOA approach
• What are the trade-offs
• How to assess potential profit with SOA
• What real business case studies has been already made
• When and to what extent SOA should be implemented
• What are simplification and decomposition benefits
• How to migrate from existing solutions to SOA and why migration to SOA does NOT require rebuilding the whole existing infrastructure
• How to extend legacy applications with SOA
• What are the existing SOA suites and platforms

A Service Oriented Methodology

• Introduction to a SOA adoption roadmap
• Three analysis approaches
• Service oriented analysis

Advantages of SOA

• Traditional EAI Approach
• Problems With Traditional EAI Approach
• Enter Service Oriented Architecture (SOA)
• We Can Easily Change the Process
• Changing Flow Using Legacy Approach
• Replacing an Application
• Other Advantages
• Business Advantages
• Adoption Stages

SOA Past and Present

• From XML to Web Service to SOA
• How SOA was done before
• Emerging standards for SOA
• Compare SOA with other architectures

What is service oriented architecture?

• What is SOA?
• Creating a common understanding of SOA
• The evolution of SOA
• Introducing the concepts of services and SOA
• Design principles of SOA
• The relationship between SOA and web services
• The advantages and risks of SOA

Introduction to modelling and UML

• Why use models with SOA
• The difference between model and methodology
• Why use the Unified Modelling Language?
• Identifying business processes
• Notation, Patterns and Methodology
• Which Methodology to choose?

Introduction to Business Processes

• How a collection of services performs a task
• Simple request response interaction
• Complex interaction involving many services
• Need for a coordinator service emerges
• Birth of orchestration or business process
• Composing processes using Business Process Execution Language (BPEL)
• BPM based solutions for orchestration
• Example business processes

Web Services

• Basic web services elements
• Core web services standards stack
• The Importance of WSDL
• The design of SOAP
• The use of registries via UDDI
• The basic concepts of service orientation

Distributing Services Across a Network

• Aligning functional and non-functional requirements
• The role of Intermediaries in Service Networks
• Introductions to WS-* extensions
• SOA tenets

Modelling SOA building blocks

• Using UML to analyse and design interfaces
• Generating a domain model
• Implementing and realising Use Cases
• Showing web service collaboration
• Usage of communication diagrams

Enterprise Service Bus (ESB)

• Objectives
• Service Invocation
• Legacy System Integration
• Web Services to the Rescue
• The role of ESB in SOA
• Security and ESB

Process Driven Services

• Service layer abstraction
• Introduction to business process layer
• Process patterns
• Orchestration and choreography
• The use of WS-BPEL for process automation

Service Oriented Reference Model

• Reference models and reference architectures
• The IMPACT SOA reference model and architecture
• SOA vendors and their relationship with SOA
• SOA support in .NET and Java EE platforms

Layered Architecture

• The layers pattern
• Classic three-tier architecture
• Connecting to the domain layer
• Linking to the User interface
• Using packages to decompose a system
• Avoiding mutual dependencies
• What is layering and why do we need it?
• Application service layer
• Business service layer
• Orchestration service layer