SOA Glossary - service composition

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This glossary supports the following titles:

SOA Governance

SOA with .NET & Azure

SOA Design Patterns

Web Service Contract Design & Versioning for SOA

SOA Principles of Service Design

Service-Oriented Architecture: Concepts, Technology, and Design

Modern SOA Infrastructure: Technology, Design, and Governance

SOA with REST: Principles, Patterns & Constraints

Next Generation SOA: A Real-World Guide to Modern Service-Oriented Computing

SOA with Java

SOA Security: Practices, Patterns, and Technologies for Securing Services

SOA and Cloud Computing: Practices, Patterns, Technologies

This glossary also supports the SOA Certified Professional (SOACP) program.

For more information, visit: www.soacp.com
and
www.soaschool.com

service composition

A service composition is an aggregate of services collectively composed to automate a particular task or business process. To qualify as a composition, at least two participating services plus one composition initiator need to be present. Otherwise, the service interaction only represents a point-to-point exchange.

Service compositions can be classified into primitive and complex variations. In early service-oriented solutions, simple logic was generally implemented via point-to-point exchanges or primitive compositions. As the surrounding technology matured, complex compositions became more common.

Much of the service-orientation design paradigm revolves around preparing services for effective participation in numerous complex compositions. So much so that the Service Composability design principle exits, dedicated solely to ensuring that services are designed in support of repeatable composition.