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Cloud computing[ 1 ] is the on-demand availability of computer system resources, especially data storage (cloud storage) and computing power, without direct active management by the user. [ 2 ] Large clouds often have functions distributed over multiple locations, each of which is a data center.
Cloud computing architectures consist of front-end platforms called clients or cloud clients. These clients are servers, fat (or thick) clients, thin clients, zero clients, tablets and mobile devices that users directly interact with. These client platforms interact with the cloud data storage via an application (middle ware), via a web browser ...
Purdue Enterprise Reference Architecture. Purdue Enterprise Reference Architecture (PERA), or the Purdue model, is a 1990s reference model for enterprise architecture, developed by Theodore J. Williams and members of the Industry-Purdue University Consortium for Computer Integrated Manufacturing. [1]
A software reference architecture is a software architecture [ 1 ] where the structures and respective elements and relations provide templates for concrete architectures in a particular domain or in a family of software systems. An implementation of a reference architecture is called a framework or an application platform.
Reference model. A reference model —in systems, enterprise, and software engineering —is an abstract framework or domain-specific ontology consisting of an interlinked set of clearly defined concepts produced by an expert or body of experts to encourage clear communication. A reference model can represent the component parts of any ...
e. The Open Systems Interconnection (OSI) model is a reference model from the International Organization for Standardization (ISO) that "provides a common basis for the coordination of standards development for the purpose of systems interconnection." [ 2 ] In the OSI reference model, the communications between systems are split into seven ...
History of cloud computing. more timelines ... The concept of the cloud computing as a platform for distributed computing traces its roots back to 1993. At that time, Apple spin-off General Magic and AT&T utilized the term in the context of their Telescript and Personal Link technologies. [ 1 ]
Enterprise modelling is the process of building models of whole or part of an enterprise with process models, data models, resource models and/or new ontologies etc. It is based on knowledge about the enterprise, previous models and/or reference models as well as domain ontologies using model representation languages. [ 3 ]