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Learn how transmission delay is the time required to push all the packet's bits into the wire in a packet switched network. Find the formula, examples and related concepts such as store-and-forward delay and end-to-end delay.
A computer network is a set of computers sharing resources and communicating over digital interconnections. Learn about the origins, features, types, and applications of computer networks from this comprehensive encyclopedia article.
Learn about the network allocation vector (NAV), a virtual carrier-sensing mechanism used with wireless network protocols such as Wi-Fi and WiMax. The NAV is a counter that indicates how long the medium is busy during a frame transmission.
Learn about the electronic devices that are required for communication and interaction between devices on a computer network. Find out the types, functions and examples of networking hardware, such as routers, switches, bridges, firewalls and more.
Learn what a router is, how it works, and what types of routers exist in computing and networking. A router is a device that forwards data packets between computer networks, such as the Internet, using routing protocols and tables.
Network topology is the arrangement of the elements of a communication network, such as links, nodes, and cables. Learn about the physical and logical topologies, the transmission media, and the types of network topologies in computer networks.
Learn how TCP uses congestion window (CWND) and other schemes to avoid network congestion. CWND is a factor that limits the number of unacknowledged packets in transit and varies by additive increase/multiplicative decrease (AIMD) algorithm.
Learn how to create and read schematic diagrams of computer networks or telecommunications networks. See examples of different network symbols, topologies and scales.