Vint Cerf(1943 — ?)
Vint Cerf
États-Unis
8 min read
American computer scientist, co-creator with Bob Kahn of the TCP/IP protocol that forms the technical foundation of the Internet. Nicknamed one of the “fathers of the Internet,” he helped transform a military network into a global communication infrastructure.
Famous Quotes
« The Internet is for everyone. »
« I have always believed that technology, properly applied, can solve almost any problem. »
Key Facts
- 1943: Born in New Haven, Connecticut
- 1973: Co-develops the TCP/IP protocol with Bob Kahn
- 1983: TCP/IP becomes the standard protocol for ARPANET
- 1997: Receives the National Medal of Technology from President Clinton
- 2004: Turing Award laureate with Bob Kahn for the design of the Internet
Works & Achievements
Article fondateur publié dans IEEE Transactions on Communications qui décrit pour la première fois le protocole TCP. Ce texte de onze pages est considéré comme l'acte de naissance intellectuel d'Internet.
Premier document technique officiel (RFC) spécifiant le protocole TCP, co-rédigé avec Yogen Dalal et Carl Sunshine. Il pose les bases formelles que les ingénieurs du monde entier pourront implémenter librement.
Version mature et stabilisée du protocole TCP, devenue la spécification de référence toujours en vigueur. Ce document a permis l'adoption universelle de TCP/IP comme protocole standard d'Internet.
En tant que responsable du programme DARPA, Cerf finance et coordonne les recherches qui aboutissent à la généralisation de TCP/IP. Il négocie notamment la transition d'ARPANET vers le nouveau protocole, concrétisée par le Flag Day de 1983.
En collaboration avec la NASA, Cerf développe un protocole de communication adapté aux contraintes de l'espace (délais extrêmes, coupures fréquentes). Ce projet vise à étendre Internet au-delà de la Terre pour les futures missions spatiales.
Anecdotes
Vint Cerf has suffered from severe bilateral hearing loss since childhood and has worn hearing aids since the age of thirteen. This personal experience reportedly made him especially aware of the importance of technologies that facilitate communication between people, according to his own public statements.
On January 1, 1983, ARPANET officially switched from the NCP protocol to TCP/IP — an event engineers call the “Flag Day.” Every computer connected to the network had to be updated simultaneously that day, an unprecedented coordinated operation in the history of computing.
In 1974, Cerf and his colleague Bob Kahn wrote their landmark TCP/IP paper in just a few months of intensive work. According to Cerf, the core idea behind the protocol came to him while sitting in a hotel lobby in San Francisco, sketched on the corner of a paper napkin.
Since the 2000s, Vint Cerf has been working with NASA on Delay-Tolerant Networking (DTN), a protocol designed for interplanetary communications where delays can reach several tens of minutes. He considers this the logical next step after the terrestrial Internet.
In 1997, Cerf received the National Medal of Technology from President Clinton, and in 2004 the Presidential Medal of Freedom from George W. Bush — alongside his co-author Bob Kahn. These are the two highest civilian honors in the United States, rarely awarded for purely technical work.
Primary Sources
A protocol that supports the sharing of resources that exist in different packet switching networks is presented. The protocol provides for loss detection and retransmission of information lost in transit.
This document describes the functions to be performed by the internetwork transmission control program and the formats and encoding of the internetwork transmission control protocol.
The Transmission Control Protocol (TCP) is intended for use as a highly reliable host-to-host protocol between hosts in packet-switched computer communication networks.
Bob [Kahn] came to me with the idea of connecting packet radio networks together. We needed a protocol that would work across many different networks and be able to handle lost packets.
Key Places
Cerf completed his doctoral dissertation there under the supervision of Leonard Kleinrock, a pioneer of packet switching. It was at UCLA that the very first message on ARPANET was sent in October 1969, and where Cerf first grasped the revolutionary potential of computer networks.
Cerf taught and led a computer networking research laboratory there from 1972 to 1976. It was here that he worked closely with Bob Kahn to design and formalize the TCP/IP protocol, which would become the foundation of the Internet.
Cerf worked there from 1976 to 1982 as program manager for computer networking research. It was from this government agency that he funded and coordinated the development of the technologies that would become the Internet.
Vint Cerf's birthplace, where he was born on June 23, 1943. Associated with Yale University, it embodies the East Coast academic environment in which the future computer scientist grew up.
Cerf has served as Chief Internet Evangelist there since 2005, a role in which he advocates for universal Internet access and participates in global debates on network governance. He embodies the continuity between the pioneers of ARPANET and the era of the commercial Web.