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The OASIS Reference Model for Service Oriented Architecture [1] (SOA-RM) is an abstract framework for understanding significant entities and relationships between them within a service-oriented environment, and for the development of consistent standards or specifications supporting that environment. It is based on unifying concepts of SOA and ...
The principles of service-oriented design stress the separation of concerns in the software. Applying service-orientation results in units of software partitioned into discrete, autonomous, and network-accessible units, each designed to solve an individual concern.
Service-oriented modeling is an SOA framework that identifies the various disciplines that guide SOA practitioners to conceptualize, analyze, design, and architect their service-oriented assets. The Service-oriented modeling framework (SOMF) offers a modeling language and a work structure or "map" depicting the various components that ...
However, these services contain context data (workflow rules) about the service activity, which is directly proportional to the size of the service composition that is being administered by the task service. As a result, designing such services with state deferral options reduces their memory footprint and makes them more responsive.
The service-orientation design principles help in distinguishing a service-oriented solution [14] from a traditional object-oriented solution by promoting distinct design characteristics. The presence of these characteristics in a service-oriented solution greatly improves the chances of realizing the aforementioned goals and benefits.
Service orientation provides significant advantages for IT infrastructure services. The main benefits include increased utilisation of individual resources (meaning lower total cost of ownership) and increased service-levels as applications do not depend on the availability of any individual resource, but may use any one resource available in the pool.
SoaML (Service-Oriented Architecture Modeling Language [1] / ˈ s w ɑː m əl /) is an open source specification project from the Object Management Group (OMG), describing a Unified Modeling Language (UML) profile and metamodel for the modeling and design of services within a service-oriented architecture.
Erl is known for defining eight principles of service design for service-orientation. These principles were first published in 2005 in his book Service-Oriented Architecture: Concepts, Technology, and Design [13] and in the 2005 edition of SOA World Magazine, [14] and then became the basis for his book SOA Principles of Service Design, [15] published in 2007.