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86928
Service Oriented Architecture
Description
Mind Map on Service Oriented Architecture, created by d.rams on 05/13/2013.
Mind Map by
d.rams
, updated more than 1 year ago
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Created by
d.rams
almost 12 years ago
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Resource summary
Service Oriented Architecture
What is it?
Architecture for building business applications
Building BA as a set of loosely-coupled black box components
Deliver well defined level of Service by linking together business processes
Set of services that a business wants to expose to
Customers
Partners
Portions of the organisation
Key Principles
Loose Coupling
Simplicity
Autonomy
Components offer small range of simple services to other components
Overall infrastructure much more flexible
Service Contract
Services adhere to a communications agreement, as defined by the service description
Black box component design
Service has control over the logic they encapsulate
Service hide the service they encapsulate
Reusability
Designed with intention of reuse
Composability
Collections of services can be coordinated and assembled to composite
Statelessness
Services minimise retaining information relating to an activity
Discoverability
Service must be designed to be outwardly discriptive
Making SOA happen
SOA registry
Used to view services available and group services to form business processes
SOA Repository
Stores all source code and linking information used to build all programs
Business Process Orchestration Manager
Connects whole business process from end-to-end
Modelling Capabilities
Organisation provide service
IT systems must serve the needs of the organisation
Business focused approach required
To make best use of existing IT assets
Create new services
Facilitate the inevitable changes
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