John D. Day (from Kinmundy, Illinois, born 1947) is an electrical engineer, an

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

pioneer, and a historian. He has been involved in the development of the communication protocols of Internet and its predecessor

ARPANET The Advanced Research Projects Agency Network (ARPANET) was the first wide-area packet-switched network with distributed control and one of the first computer networks to implement the TCP/IP protocol suite. Both technologies became the tec ...

since the 1970s, and he was also active in the design of the OSI reference model. He has contributed in the research and development of network management systems, distributed databases, supercomputing, and operating systems. Day received his BSc degree in electrical engineering in 1970 and MSc degree in 1976 from the

University of Illinois The University of Illinois Urbana-Champaign (UIUC, U of I, Illinois, or University of Illinois) is a public university, public land-grant university, land-grant research university in the Champaign–Urbana metropolitan area, Illinois, United ...

. From 1969 through 1978 he worked on the

Illiac IV The ILLIAC IV was the first massively parallel computer. The system was originally designed to have 256 64-bit floating-point units (FPUs) and four central processing units (CPUs) able to process 1 billion operations per second. Due to budget cons ...

supercomputer project. Day was adjunct professor at

Worcester Polytechnic Institute The Worcester Polytechnic Institute (WPI) is a Private university, private research university in Worcester, Massachusetts, United States. Founded in 1865, WPI was one of the United States' first engineering and technology universities and now h ...

in 2006 and is currently a lecturer in Computer Science at

Boston University Metropolitan College Boston University Metropolitan College (MET) is one of the 17 degree-granting schools and colleges of Boston University Boston University (BU) is a Private university, private research university in Boston, Massachusetts, United States. B ...

. Day is the author of the 2008 book ''Patterns in Network Architecture: A Return to Fundamentals'', which gave rise to Network IPC, later referred to as the

Recursive InterNetwork Architecture The Recursive InterNetwork Architecture (RINA) is a new computer network architecture proposed as an alternative to the architecture of the currently mainstream Internet protocol suite. The principles behind RINA were first presented by John Day (co ...

(RINA), and the RFC documents RFC 520, RFC 728, RFC 731, and RFC 732. He has also published articles on the history of cartography, on topics such as

Matteo Ricci Matteo Ricci (; ; 6 October 1552 – 11 May 1610) was an Italian Jesuit priest and one of the founding figures of the Jesuit China missions. He created the , a 1602 map of the world written in Chinese characters. In 2022, the Apostolic See decl ...

's 16th–17th century maps.

References

External links

John Day Papers (CBI 165)

Charles Babbage Institute The IT History Society (ITHS) is an organization that supports the history and scholarship of information technology by encouraging, fostering, and facilitating archival and historical research. Formerly known as the Charles Babbage Foundation, ...

, University of Minnesota.
Oral history interview with John Day

, University of Minnesota. Describes his computer science education at the University of Illinois at Urbana-Champaign, including vignettes of student life in the late 1960s and early 1970s and campus protests over work on the

ILLIAC IV The ILLIAC IV was the first massively parallel computer. The system was originally designed to have 256 64-bit floating-point units (FPUs) and four central processing units (CPUs) able to process 1 billion operations per second. Due to budget cons ...

computer. A second portion of the interview gives highlights of his work on network standards-setting, including

Open Systems Interconnection The Open Systems Interconnection (OSI) model is a reference model developed by the International Organization for Standardization (ISO) that "provides a common basis for the coordination of standards development for the purpose of systems inter ...

(OSI) model and

American National Standards Institute The American National Standards Institute (ANSI ) is a private nonprofit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States. The organiz ...

(ANSI). {{DEFAULTSORT:Day, John Researchers in distributed computing American computer scientists Living people 1947 births University of Illinois alumni Worcester Polytechnic Institute faculty Boston University faculty