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This means typically offering high quality of service, dealing with large volumes of data and capable of supporting some large and possibly complex organization or enterprise. An EIS must be able to be used by all parts and all levels of an enterprise. [1] The word enterprise can have various connotations. Frequently the term is used only to ...
Quality of service (QoS) is the description or measurement of the overall performance of a service, such as a telephony or computer network, or a cloud computing service, particularly the performance seen by the users of the network.
Service quality (SQ), in its contemporary conceptualisation, is a comparison of perceived expectations (E) of a service with perceived performance (P), giving rise to the equation SQ = P − E. [1] This conceptualistion of service quality has its origins in the expectancy-disconfirmation paradigm.
Network performance refers to measures of service quality of a network as seen by the customer.. There are many different ways to measure the performance of a network, as each network is different in nature and design.
E-service (or eservice) is a highly generic term, usually referring to "The provision of services via the Internet (the prefix 'e' standing for ‘electronic’, as it does in many other usages), thus e-Service may also include e-Commerce, although it may also include non-commercial services (online), which is usually provided by the government.
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. A service presents a simple interface to the requester that abstracts away the underlying complexity acting as a black box.
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Within systems engineering, quality attributes are realized non-functional requirements used to evaluate the performance of a system. These are sometimes named architecture characteristics, or "ilities" after the suffix many of the words share.