SOA 7 Service Layers

SOA 7 Service Layers - Service Oriented Architecture(SOA...

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1 1 Service Oriented Architecture (SOA) Subject Incharge Pratidnya S. Hegde Patil Layers Service-orientation b The characteristics that are not directly supplied by external influences must be realized through dedicated modeling and design effort. b There are four characteristics of contemporary SOA that are not directly supported or provided by the external influences are: s Enterprise wide loose coupling. s Service-oriented business modeling. s Organizational agility. s Layers of abstraction. 2
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2 b The collective logic that defines and drives an enterprise is an ever-evolving entity constantly changing in response to external and internal influences. b From an IT perspective, this enterprise logic can be divided into two important halves. 3 Business Logic b Documented implementation of the business requirements that originate from an enterprise's business areas. b Structured into processes that express these requirements, along with any associated constraints, dependencies, and outside influences. 4
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3 Application Logic b An automated implementation of business logic organized into various technology solutions. b Expresses business process workflows through purchased or custom-developed systems within the confines of an organization's IT infrastructure, security constraints, technical capabilities, and vendor dependencies. 5
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SOA 7 Service Layers - Service Oriented Architecture(SOA...

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