Abstract
In this paper,we highlight some of the principal events that led up to the revolution in communications among information processing systems. We devote most of this presentation to a brief summary of the communication networks experience, emphasizing the description, functions, analysis, design and performance measurement of packet-switching networks. We also discuss some recent advances in radio packet switching for long-haul
Highlights
It is widely assumed that, for reasons of efficiency, the various communication networks (Internet, telephone, TV, radio, ...) will merge into one ubiquitous, packet switched network that carries all forms of communications
A packet switching system uses statistical multiplexing in which communication from multiple sources competes for the use of shared media.[2]
The chief difference between packet switching and other forms of statistical multiplexing arises because a packet switching system requires a sender to divide each message into blocks of data that are known as packets
Summary
It is widely assumed that, for reasons of efficiency, the various communication networks (Internet, telephone, TV, radio, ...) will merge into one ubiquitous, packet switched network that carries all forms of communications. Donald Davies at the National Physical Laboratory (NPL) in the UK had developed the same ideas a few years later (Abbate, 2000). Baran developed the concept of message block switching during his research at the RAND Corporation for the US Air Force into survivable communications networks, first presented to the Air Force in the summer of 1961 as briefing B-26 published as RAND Paper P-2626 in 1962 and including and expanding somewhat within a series of eleven papers titled On Distributed Communications in 1964. Baran's work was similar to the research performed independently by Donald Davies at the National Physical Laboratory, UK. In 1973 Vint Cerf and Bob Kahn wrote the specifications for Transmission Control Protocol (TCP), an internetworking protocol for sharing resources using packet-switching among the nodes
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