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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 access within a local area network (LAN).
Network management software usually collects information about network devices (which are called Nodes) using protocols like SNMP, ICMP, CDP etc. This information is then presented to network administrators in an easy to understand and accessible manner to help them quickly identify and remediate problems. Problems may present itself in the ...
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 ...
A server is a computer that provides information to other computers called "clients" on computer network. [1] This architecture is called the client–server model. Servers can provide various functionalities, often called "services", such as sharing data or resources among multiple clients or performing computations for a client.
In software engineering, the terms frontend and backend (sometimes written as back end or back-end) refer to the separation of concerns between the presentation layer ( frontend ), and the data access layer ( backend) of a piece of software, or the physical infrastructure or hardware. In the client–server model, the client is usually ...
In 1977, Xerox Network Systems (XNS) was developed by Robert Metcalfe and Yogen Dalal at Xerox. In 1979, Robert Metcalfe pursued making Ethernet an open standard. In 1980, Ethernet was upgraded from the original 2.94 Mbit/s protocol to the 10 Mbit/s protocol, which was developed by Ron Crane, Bob Garner, Roy Ogus, and Yogen Dalal.
Systems Network Architecture [1] ( SNA) is IBM 's proprietary networking architecture, created in 1974. [2] It is a complete protocol stack for interconnecting computers and their resources. SNA describes formats and protocols but, in itself, is not a piece of software. The implementation of SNA takes the form of various communications packages ...
Information science. Information technology ( IT) is a set of related fields that encompass computer systems, software, programming languages and data and information processing and storage. [1] IT forms part of information and communications technology (ICT). [2] An information technology system ( IT system) is generally an information system ...