Dr. Craig Partridge is an American computer scientist, best known for his contributions to the technical development of the

Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...

. Partridge graduated in 1979 from Woodrow Wilson High School in Washington D.C. He received his A.B. in history in 1983, and in 1992 received his Ph.D. in

computer science Computer science is the study of computation, automation, and information. Computer science spans theoretical disciplines (such as algorithms, theory of computation, information theory, and automation) to practical disciplines (includi ...

, from

Harvard University Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of high ...

. Starting in 1983, Partridge was a researcher at

BBN Technologies Raytheon BBN (originally Bolt Beranek and Newman Inc.) is an American research and development company, based next to Fresh Pond in Cambridge, Massachusetts, United States. In 1966, the Franklin Institute awarded the firm the Frank P. Brown ...

, where he eventually became Chief Scientist for networking research. During the 1980s, Dr. Partridge designed the method of

email Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices. Email was thus conceived as the electronic ( digital) version of, or counterpart to, mail, at a time when "mail" mean ...

routing using

domain name A domain name is a string that identifies a realm of administrative autonomy, authority or control within the Internet. Domain names are often used to identify services provided through the Internet, such as websites, email services and more. As ...

s, and, in collaboration with

Phil Karn Phil Karn (born October 4, 1956) is a retired American engineer from Lutherville, Maryland. He earned a bachelor's degree in electrical engineering from Cornell University in 1978 and a master's degree in electrical engineering from Carnegie Mel ...

, made contributions to the

Transmission Control Protocol The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite. It originated in the initial network implementation in which it complemented the Internet Protocol (IP). Therefore, the entire suite is common ...

(TCP) round-trip time estimation by inventing Karn's algorithm. In the 1990s he co-invented

anycast Anycast is a network addressing and routing methodology in which a single destination IP address is shared by devices (generally servers) in multiple locations. Routers direct packets addressed to this destination to the location nearest the sen ...

addressing, led the team that developed the first multi-gigabit router."Craig Partridge"
Internet Hall of Fame. Partridge served on the first

Internet Engineering Steering Group The Internet Engineering Task Force (IETF) is a standards organization for the Internet and is responsible for the technical standards that make up the Internet protocol suite (TCP/IP). It has no formal membership roster or requirements and a ...

, has chaired the Association for Computing Machinery's Special Interest Group on Data Communications ( SIGCOMM), been editor-in-chief of both the Institute of Electrical and Electronics Engineers (IEEE) ''Network Magazine'' and SIGCOMM's ''Computer Communication Review'', and served on the

National Science Foundation The National Science Foundation (NSF) is an independent agency of the United States government that supports fundamental research and education in all the non-medical fields of science and engineering. Its medical counterpart is the National ...

's Computer, Information Science and Engineering (CISE) Advisory Committee, and on the

National Research Council National Research Council may refer to: * National Research Council (Canada), sponsoring research and development * National Research Council (Italy), scientific and technological research, Rome * National Research Council (United States), part of ...

's Computer Science and Telecommunications Board. He has held adjunct faculty positions at Stanford University and the

University of Michigan , mottoeng = "Arts, Knowledge, Truth" , former_names = Catholepistemiad, or University of Michigania (1817–1821) , budget = $10.3 billion (2021) , endowment = $17 billion (2021)As o ...

, and currently chairs the Department of Computer Science in Colorado State University. Partridge is an

ACM Fellow ACM or A.C.M. may refer to: Aviation * AGM-129 ACM, 1990–2012 USAF cruise missile * Air chief marshal * Air combat manoeuvring or dogfighting * Air cycle machine * Arica Airport (Colombia) (IATA: ACM), in Arica, Amazonas, Colombia Computing * ...

and

IEEE Fellow As of 2019, the Institute of Electrical and Electronics Engineers (IEEE) has 5,082 members designated Fellow, each of whom is associated with one of the 41 societies under the IEEE. The Fellow grade of membership is the highest level of membershi ...

, and in 2017 was inducted into the

Internet Hall of Fame The Internet Hall of Fame is an honorary lifetime achievement award administered by the Internet Society (ISOC) in recognition of individuals who have made significant contributions to the development and advancement of the Internet.

Selected works

* "Mail routing and the domain system", RFC 974, Craig Partridge, 1986. * "Improving round-trip time estimates in reliable transport protocols", Phil Karn, Craig Partridge ''ACM SIGCOMM Computer Communication Review'', 1987. * "Host Anycasting Service", RFC 1546, Craig Partridge, Trevor Mendez, Walter Milliken, 1993. * ''Gigabit Networking'', Craig Partridge, Addison-Wesley, 1993.

References

{{DEFAULTSORT:Partridge, Craig Living people American computer scientists Fellows of the Association for Computing Machinery Fellow Members of the IEEE Harvard College alumni Colorado State University faculty 1961 births