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Middleware services provide a more functional set of application programming interfaces to allow an application to: Locate transparently across the network, thus providing interaction with another service or application; Filter data to make them friendly usable or public via anonymization process for privacy protection (for example)
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 provider It creates a web service and provides its information to the service registry. Each provider debates upon a lot of hows and whys like which service to expose, which to give more importance: security or easy availability, what price to offer the service for and many more.
Software as a service (SaaS / s æ s / [1]) is a cloud computing service model where the provider offers use of application software to a client and manages all needed physical and software resources. [2] Unlike other software delivery models, it separates "the possession and ownership of software from its use". [3]
An application service provider (ASP) is a business providing application software generally through the Web. [1] ASPs that specialize in a particular application (such as a medical billing program) may be referred to as providing software as a service .
According to the National Institute of Standards and Technology, Information Technology Laboratory, “Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider ...
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Utility computing, or computer utility, is a service provisioning model in which a service provider makes computing resources and infrastructure management available to the customer as needed, and charges them for specific usage rather than a flat rate. Like other types of on-demand computing (such as grid computing), the utility model seeks to ...