Service-oriented architecture: Difference between revisions
m (using an external editor) |
m (using an external editor) |
||
| Line 1: | Line 1: | ||
== Definition == | == Definition == | ||
SOA is an architectural style whose goal is to achieve loose coupling among interacting software agents. A service is a unit of work done by a service provider to achieve desired end results for a service consumer. Both provider and consumer are roles played by software agents on behalf of their owners. | |||
([[http://webservices.xml.com/pub/a/ws/2003/09/30/soa.html Hao He], retrieved 10:01, 24 April 2007 (MEST)). | |||
Service orientation is a means for integrating across diverse systems. Each IT resource, whether an application, system, or trading partner, can be accessed as a service. These capabilities are available through interfaces; Service orientation uses standard protocols and conventional interfaces - usually Web services - to facilitate access to business logic and information among diverse services. Specifically, SOA allows the underlying service capabilities and interfaces to be composed into processes. Each process is itself a service, one that now offers up a new, aggregated capability. Because each new process is exposed through a standardized interface, the underlying implementation of the individual service providers is free to change without impacting how the service is consumed. ([http://www.microsoft.com/biztalk/solutions/soa/overview.mspx Microsoft], retrieved 10:01, 24 April 2007 (MEST)) | |||
SOA looks like object-oriented programming principles applied to services. However it's more than encapsulation and interfaces... | |||
== Architecture == | == Architecture == | ||
| Line 6: | Line 12: | ||
=== Elements of a service-oriented architecture === | === Elements of a service-oriented architecture === | ||
[[image: | [[image:SOA_Elements.png|frame|none|Elements of a Service Oriented Architecture according to Dirk Krafzig, Karl Banke, and Dirk Slama. Enterprise SOA. Prentice Hall, 2005]] | ||
== Links == | == Links == | ||
; Introductions / Tutorials | |||
* [http://en.wikipedia.org/wiki/Service-oriented_architecture Service-oriented architecture] (Wikipedia) | * [http://en.wikipedia.org/wiki/Service-oriented_architecture Service-oriented architecture] (Wikipedia) | ||
* [http://webservices.xml.com/pub/a/ws/2003/09/30/soa.html What Is Service-Oriented Architecture] by Hao He, Webservices.xml, retrieved 10:01, 24 April 2007 (MEST). | |||
* [http://www.service-architecture.com/web-services/articles/service-oriented_architecture_soa_definition.html Service-oriented architecture (SOA) definition] | |||
* [http://www.microsoft.com/biztalk/solutions/soa/overview.mspx Learn About Service Oriented Architecture (SOA)] | |||
Revision as of 10:01, 24 April 2007
Definition
SOA is an architectural style whose goal is to achieve loose coupling among interacting software agents. A service is a unit of work done by a service provider to achieve desired end results for a service consumer. Both provider and consumer are roles played by software agents on behalf of their owners. ([Hao He, retrieved 10:01, 24 April 2007 (MEST)).
Service orientation is a means for integrating across diverse systems. Each IT resource, whether an application, system, or trading partner, can be accessed as a service. These capabilities are available through interfaces; Service orientation uses standard protocols and conventional interfaces - usually Web services - to facilitate access to business logic and information among diverse services. Specifically, SOA allows the underlying service capabilities and interfaces to be composed into processes. Each process is itself a service, one that now offers up a new, aggregated capability. Because each new process is exposed through a standardized interface, the underlying implementation of the individual service providers is free to change without impacting how the service is consumed. (Microsoft, retrieved 10:01, 24 April 2007 (MEST))
SOA looks like object-oriented programming principles applied to services. However it's more than encapsulation and interfaces...
Architecture
Elements of a service-oriented architecture
Links
- Introductions / Tutorials
- Service-oriented architecture (Wikipedia)
- What Is Service-Oriented Architecture by Hao He, Webservices.xml, retrieved 10:01, 24 April 2007 (MEST).