Hubert Zimmermann

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Hubert Zimmermann (1941 – November 9, 2012) was a French software engineer and a pioneer of computer networking.

Zimmermann was educated at École Polytechnique and École Nationale Supérieure des Télécommunications.[1] His career began at Institut National de Recherche en Informatique et Automatique (INRIA) in Rocquencourt from 1972 through 1979, where he led research into what became ChorusOS series of distributed operating systems.[2] In 1977, he was an early member of the International Organization for Standardization as it developed the Open Systems Interconnection protocols.[3] He then worked for France Télécom in 1980 through 1986. He developed and promoted the OSI reference model which became a popular way to describe network protocols, and published a paper on the model in 1980 and one with John Day in 1983.[4][5] He founded Chorus systems in 1987, purchased by Sun Microsystems in 1997, where he was director of telecom software engineering for 5 years. Then he invested in entrepreneurial high-tech companies such as Arbor Venture Management, Boost Your StartUp, Gingko Networks and UDcast.[6]

In 1991, Zimmermann was awarded the SIGCOMM Award for "20 years of leadership in the development of computer networking and the advancement of international standardization".[7]

A 2011 article in the Anecdotes section of IEEE Annals of the History of Computing documents his view of the early history of the Internet protocol suite.[8]

On 9 November 2012, Zimmermann died in France.[9]


  1. ^ "Connect-World Asia-Pacific I 2007". Archived from the original on 13 March 2008. Retrieved 2 August 2013.
  2. ^ M. Rozier; V. Abrossimov; F. Armand; I. Boule; M. Gien; M. Guillemont; F. Herrmann; C. Kaiser; S. Langlois; P. Leonard; W. Neuhauser (1991). "Overview of the CHORUS Distributed Operating Systems" (PDF). Chorus systemes. Archived from the original (PDF) on 7 February 2015. Retrieved 30 July 2013.
  3. ^ Andrew L. Russell (29 July 2013). "OSI: The Internet That Wasn't". Spectrum. IEEE. Retrieved 30 July 2013.
  4. ^ Hubert Zimmermann (April 1980). "OSI Reference Model—The ISO Model of Architecture for Open Systems Interconnection". IEEE Transactions on Communications. 28 (4): 425–432. doi:10.1109/TCOM.1980.1094702.
  5. ^ John D. Day; Hubert Zimmermann (December 1983). "The OSI reference model". Proceedings of the IEEE. 71 (12): 1334–1340. doi:10.1109/PROC.1983.12775.
  6. ^ "Hubert Zimmermann nous a quittés!". Alumni page. INRIA. Archived from the original on 2013-01-16. Retrieved 30 July 2013.
  7. ^ "SIGCOMM '99 - Awards Panel Member". Retrieved 2009-04-25.
  8. ^ Alexander McKenzie. "INWG and the Conception of the Internet: An Eyewitness Account". Annals of the History of Computing January–March 2011. Retrieved 2012-11-21.
  9. ^ Michel Gien, forwarded by John Day (11 November 2012). "Very Sad News". Internet History Mailing list. Retrieved 30 July 2013.