Paul_baran, Paul_baran Information, Paul


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For an economist with same name, see Paul A. Baran

Paul Baran (born April 29, 1926) was one of the three inventors of packet-switched networks, along with Donald Davies and Leonard Kleinrock. He was born in GrodnoОтветы на Ваши вопросы (FAQ) — Мой Круг (then Poland), but his family moved to Boston in 1928. Baran did undergraduate work at Drexel University, obtained his Masters degree in Engineering from UCLA in 1959 and began working for the RAND Corporation in the same year.

The development of a communication network that would withstand a nuclear attack was important to US defence strategy. Baran developed his ideas for a distributed network as a solution to the problem of maintaining Command and Control of military resources in the event of a nuclear attack.

Similar ideas for a distributed data network were being independently pursued by Donald Davies from the National Physical Laboratory in the UK, although Davies was primarily concerned with the problem of resource-sharing rather than Baran\'s focus on military issues.

Baran also provided a spark of invention to four other important networking technologies. He was involved in the origin of the packet voice technology developed by StrataCom at its predecessor, Packet Technologies. This technology led to the first commercial pre-standard ATM product. He was also involved with the discrete multitone modem technology developed by Telebit, which was one of the roots of Orthogonal frequency-division multiplexing which is used in DSL modems. Paul founded Metricom, the first wireless Internet company, which deployed Ricochet, the first public wireless mesh networking system. He also founded Com21, an early cable modem company. In all cases, he provided early ideas and gave credibility to strong groups of developers who then took those ideas far beyond Baran\'s original spark.

Paul Baran also extended his work in packet switching to wireless-spectrum theory, developing what he called "kindergarten rules" for the use of wireless spectrum.

In addition to his innovation in networking products, he is also credited with inventing the metal detector used in airports.

References

ibiblio.org entry

External links

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Founding Father Wired, Issue 9.03 Mar 2001, (interview with Paul Baran, exploring the background to Baran\'s work at RAND on survivable networks).
The Influence of Paul Baran on the Development of the Internet (Academic Paper written by B. Vuyk)
Paul Baran, On Distributed Communications, 1964
Wireless Communications and Computing at a Crossroads, Journal on Telecommunications & High Technology Law, Vol. 3, No. 2, p. 239, 205 (describing Paul Baran\'s development of packet switching and its application to wireless computing).
Transcript of a keynote address he gave in 2000 including a photo

Awards
Preceded by Gerald R. Ash and Billy B. Oliver	IEEE Alexander Graham Bell Medal 1990	Succeeded by C. Chapin Cutler, John O. Limb and Arun Netravali

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