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Hubert Zimmermann (15 November 1941 – 9 November 2012) was a French software engineer and a pioneer of
computer network A computer network is a set of computers sharing resources located on or provided by network nodes. The computers use common communication protocols over digital interconnections to communicate with each other. These interconnections are ...
ing.


Biography

Zimmermann was educated at
École Polytechnique École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savoi ...
and
École Nationale Supérieure des Télécommunications École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savo ...
. His career began at Institut National de Recherche en Informatique et Automatique (INRIA) in
Rocquencourt Rocquencourt refers to two places in France: * Rocquencourt, Yvelines * Rocquencourt, Oise {{geodis ...
from 1972 through 1979, where he led research into what became
ChorusOS ChorusOS is a microkernel real-time operating system designed as a message passing computing model. ChorusOS began as the Chorus distributed real-time operating system research project at the French Institute for Research in Computer Science an ...
series of distributed operating systems. He participated in the
International Networking Working Group The International Networking Working Group (INWG) was a group of prominent computer science researchers in the 1970s who studied and developed standards and protocols for computer networking. Set up in 1972 as an informal group to consider the tec ...
from 1972, initially chaired by
Vint Cerf Vinton Gray Cerf (; born June 23, 1943) is an American Internet pioneer and is recognized as one of " the fathers of the Internet", sharing this title with TCP/IP co-developer Bob Kahn. He has received honorary degrees and awards that include ...
. He was acknowledged by
Bob Kahn Robert Elliot Kahn (born December 23, 1938) is an American electrical engineer who, along with Vint Cerf, first proposed the Transmission Control Protocol (TCP) and the Internet Protocol (IP), the fundamental communication protocols at the hea ...
and Cerf in their seminal 1974 paper on
internetworking Internetworking is the practice of interconnecting multiple computer networks, such that any pair of hosts in the connected networks can exchange messages irrespective of their hardware-level networking technology. The resulting system of interc ...
, "A Protocol for Packet Network Intercommunication". In 1977, he was an early member of the
International Organization for Standardization The International Organization for Standardization (ISO ) is an international standard development organization composed of representatives from the national standards organizations of member countries. Membership requirements are given in A ...
as it developed the
Open Systems Interconnection The Open Systems Interconnection model (OSI model) is a conceptual model that 'provides a common basis for the coordination of SOstandards development for the purpose of systems interconnection'. In the OSI reference model, the communications ...
protocols. He then worked for
France Télécom Orange S.A. (), formerly France Télécom S.A. (stylized as france telecom) is a French multinational corporation, multinational telecommunications corporation. It has 266 million customers worldwide and employs 89,000 people in France, and 5 ...
in 1980 through 1986. He developed and promoted the
OSI reference model The Open Systems Interconnection model (OSI model) is a conceptual model that 'provides a common basis for the coordination of SOstandards development for the purpose of systems interconnection'. In the OSI reference model, the communications ...
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. He was a founder of
Chorus Systèmes SA Chorus Systèmes SA was a French software company that existed from 1986 to 1997, that was created to commercialise research work done at the Institut national de recherche en informatique et en automatique (INRIA). Its primary product was the ...
in 1986, which commercialised the Chorus distributed microkernel operating system that had been created at INRIA. Chorus Systèmes was purchased by
Sun Microsystems Sun Microsystems, Inc. (Sun for short) was an American technology company that sold computers, computer components, software, and information technology services and created the Java programming language, the Solaris operating system, ZFS, t ...
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 UDcast was a company that provided products for Internet Protocol (IP) over broadcast media. It developed technology for IP networks over satellite and servers to provide television on mobile networks. History UDcast was involved in internationa ...
. In 1991, Zimmermann was awarded the
SIGCOMM Award The SIGCOMM Award recognizes lifetime contribution to the field of communication networks. The award is presented in the annual SIGCOMM Technical Conference. The awardees have been: * 2022 Henning Schulzrinne * 2021 Hari Balakrishnan * 2020 Ami ...
for "20 years of leadership in the development of computer networking and the advancement of international standardization". On 9 November 2012, Zimmermann died in France.


See also

* Gérard Le Lann *
History of the Internet The history of the Internet has its origin in information theory and the efforts of scientists and engineers to build and interconnect computer networks. The Internet Protocol Suite, the set of rules used to communicate between networks and de ...
* Internet in France *
Louis Pouzin Louis Pouzin (April 20, 1931 in Chantenay-Saint-Imbert, Nièvre, France) is a French computer scientist. He designed an early packet communications network, CYCLADES. This network was the first actual implementation of the pure datagram model, ...
*
Rémi Després Rémi Després (born January 16, 1943) is a French engineer and entrepreneur known for his contributions on data networking. Education In 1961–1963, Rémi Després attended École Polytechnique of Paris, of which he holds an Engineer degree. ...


References

{{DEFAULTSORT:Zimmermann, Hubert 1941 births Place of birth missing 2012 deaths French computer scientists École Polytechnique alumni 20th-century French inventors 20th-century French engineers Internet pioneers