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This metadata describes both the functional characteristics of the service and quality-of-service characteristics. Service-oriented architecture aims to allow users to combine large chunks of functionality to form applications which are built purely from existing services and combining them in an ad hoc manner.
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.
Paul Allen defines service orientation as a (business) paradigm, with three main components: business architecture, Service-oriented architecture and software oriented management. Allen's book defines seven Service-Oriented Viewpoints (labelled SOV7): Allen, Paul (2006). Service Orientation Winning Strategies and Best Practices. Cambridge ...
Service Oriented Infrastructure or SOI provides a system for describing information technology (IT) infrastructure as a service. The underlying principles go back to, among others, Mainframe and LDAP technologies [ citation needed ] ; SOI provides a framework or mindset for making business benefits measurable.
Service-oriented Software Engineering (SOSE), also referred to as service engineering, [1] is a software engineering methodology focused on the development of software systems by composition of reusable services (service-orientation) often provided by other service providers.
In the contexts of software architecture, service-orientation and service-oriented architecture, the term service refers to a software functionality, or a set of software functionalities (such as the retrieval of specified information or the execution of a set of operations) with a purpose that different clients can reuse for different purposes, together with the policies that should control ...
Service-oriented device architecture (SODA), to enable devices to be connected to a service-oriented architecture (SOA) Service-oriented distributed applications, an architecture that allows some services to be run on the client and some on the server; Service-oriented infrastructure (SOI), a system for describing information technology ...
Due to the fallacies of distributed computing, finding an adequate granularity is hard. [2] There is no single simple answer but a number of criteria exist (see below). A primary goal of service modeling and granularity design is to achieve loose coupling and modularity, which are two of the essential SOA principles, [3] and to address other architecturally significant requirements.