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Software-defined networking ( SDN) is an approach to network management that enables dynamic and programmatically efficient network configuration to improve network performance and monitoring in a manner more akin to cloud computing than to traditional network management. [1] SDN is meant to improve the static architecture of traditional networks and may be employed to centralize network ...
A computer network is a set of computers sharing resources located on or provided by network nodes. Computers use common communication protocols over digital interconnections to communicate with each other. These interconnections are made up of telecommunication network technologies based on physically wired, optical, and wireless radio-frequency methods that may be arranged in a variety of ...
Information technology ( IT) is a set of related fields that encompass computer systems, software, programming languages, and data and information processing, and storage. [1]
A network information system (NIS) is an information system for managing networks, such as electricity network, [1] [2] water supply network, [3] [4] gas supply network, [5] telecommunications network ., [6] [7] or street light network [8] NIS may manage all data relevant to the network, e.g.- all components and their attributes, the ...
Information and communications technology ( ICT) is an extensional term for information technology (IT) that stresses the role of unified communications [1] and the integration of telecommunications ( telephone lines and wireless signals) and computers, as well as necessary enterprise software, middleware, storage and audiovisual, that enable users to access, store, transmit, understand and ...
A network operating system ( NOS) is a specialized operating system for a network device such as a router, switch or firewall. Historically operating systems with networking capabilities were described as network operating systems, because they allowed personal computers (PCs) to participate in computer networks and shared file and printer ...
" Information systems " is also an academic field study about systems with a specific reference to information and the complementary networks of computer hardware and software that people and organizations use to collect, filter, process, create and also distribute data. [8] An emphasis is placed on an information system having a definitive boundary, users, processors, storage, inputs, outputs ...
Information technology infrastructure is defined broadly as a set of information technology (IT) components that are the foundation of an IT service; typically physical components ( computer and networking hardware and facilities), but also various software and network components.