SOA for Architects and Managers Overview Training Course
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 J2EE 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
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 the 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