telecommunications and computer networking, a network packet is a formatted unit of data carried by a packet-switched network. A packet consists of control information...

packet switching is a method of grouping data into short messages in fixed format, i.e. packets, that are transmitted over a digital network. Packets...

A packet analyzer (also packet sniffer or network analyzer) is a computer program or computer hardware such as a packet capture appliance that can analyze...

A network scheduler, also called packet scheduler, queueing discipline (qdisc) or queueing algorithm, is an arbiter on a node in a packet switching communication...

firewalls for network security were routers used in the 1980s. Because they already segregated networks, routers could apply filtering to packets crossing...

Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer...

Universal Packet for internetworking. In 1974, Vint Cerf and Bob Kahn published their seminal 1974 paper on internetworking, A Protocol for Packet Network Intercommunication...

Deep packet inspection (DPI) is a type of data processing that inspects in detail the data being sent over a computer network, and may take actions such...

unit in computer networking and telecommunications. In packet switched systems, a frame is a simple container for a single network packet. In other telecommunications...

Packet loss occurs when one or more packets of data travelling across a computer network fail to reach their destination. Packet loss is either caused...