Service Analysis And Design

What is SOA? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why SOA? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Terminology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Service-Oriented Computing Platform

SOA and Service-Orientation ,[object Object],[object Object]

Service-Orientation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is a Service ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Services & Operations ,[object Object],[object Object]

Service examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Assumptions to Avoid ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Terminology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Service-Orientation Principles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SOA Service Lifecycle Design, Development and Deploy Business Operations Service Architect Business Analyst Service Development Business Activity Monitoring Business Process Modeling Core Metadata Service Develop and Deploy Management Monitoring Service Modeling

What Is a Business Process? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Just as the dance is not the dancer, the process should not be confused with the "resources" performing the process

[object Object],[object Object],What Is Business Process Management? Architecture Graphic source: Casewise/Gartner presentation, 2005 People Technology Process

SOA is Business Driven Product inquiry SOA – A Service Invocation Framework Product inquiry Business World Processes IT World Services Reserve inventory Reserve inventory Schedule shipment Schedule shipment Create Customer Order Create customer order Schedule production Schedule production Create Supplier order Create supplier order

Business, Technology Model for SOA Potential Reuse

Service Modeling Services That Map To Real Business Processes, Not As Silo-ed Apps ,[object Object],[object Object],[object Object],[object Object],Orchestrate services into processes Measure alignment with strategy Identify opportunities for optimization Analyze processes Identify supporting functionality required Harvest functionality from existing IT assets Develop new functionality Develop contracts and package as services 3 1 2 Services are mapped to business processes, and enable business process improvement over time Business Strategy & Process

Service Modeling Shared Services Business Process Services ? ? ? ? ? ? ? ? ? ? Service Modeling What services should be created? What is the process for identifying these services? What are the characteristics that identify these services? Applications Partners & Suppliers People Data Sources Infrastructure Services Service Enablement System Access Human Access Data Access Shared Service Access Presentation Services Applications Partners & Suppliers People Data Sources Composite Applications Integration Services Orchestration Data

Wrap up: Analysis Concepts ,[object Object],[object Object],[object Object],[object Object]

Wrap up: Design Concepts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Service Models and Layers ,[object Object],[object Object],[object Object],Process services Business services Application services

High Level Service Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Idempotence ,[object Object],[object Object],[object Object],Not Idempotent Baking a Cake Starting from Ingredients Naturally Idempotent Sweeping the Floor Naturally Idempotent Read Record “X” Idempotent If Haven’t Yet Done Withdrawal #XYZ for $1 Billion, Then Withdraw $1 Billion and Label as #XYZ Not Idempotent Withdrawing $1 Billion Idempotent Baking a Cake Starting from the Shopping List (If Money Doesn’t Matter)

Formalize Service Contract ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Resources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Service Analysis And Design

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