In the early 1960s, American computer scientist Paul Baran developed the concept Distributed Adaptive Message Block Switching, with the goal of providing a fault-tolerant, efficient routing method for telecommunication messages as part of a research program at the RAND Corporation, funded by the US Department of Defense. Packet switching is the primary basis for data communications in computer networks worldwide. ![]() Data in the header is used by networking hardware to direct the packet to its destination, where the payload is extracted and used by an operating system, application software, or higher layer protocols. Packets are made of a header and a payload. In telecommunications, packet switching is a method of grouping data into packets that are transmitted over a digital network. ![]() Method of grouping data transmitted over a digital network into packets
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