John Day (computer scientist)

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For other people of the same name, see John Day.

John D. Day (from Kinmundy, Illinois, born 1947)[1] is a computer scientist,[2] an Internet pioneer,[2] and a historian.[2][3][4] He has been involved in the development of the communication protocols of Internet and its predecessor ARPANET since the 1970s,[4][5] and he was also active in the design of the OSI reference model.[4][5][6][7] He has contributed in the research and development of network management systems, distributed databases, supercomputing, and operating systems.[6][8]

Day received his BSc degree in electrical engineering in 1970 and MSc degree in 1976 from the University of Illinois.[6] From 1969 through 1978 he worked on the Illiac IV supercomputer project. Day was adjunct professor at Boston University in 2005, and at Worcester Polytechnic Institute in 2006.[4][6]

Day is the author of the 2008 book Patterns in Network Architecture: A Return to Fundamentals[2][3][9] and the RFC documents RFC 520, RFC 728, RFC 731, and RFC 732. He has also published articles on the history of cartography,[6][8] on topics such as Matteo Ricci's 16th–17th century maps.,[10]


  1. ^ "Patterns in network architecture : a return to fundamentals". Library of Congress Catalog Record. Retrieved 2010-01-23. 
  2. ^ a b c d Johnson, Johna Till (Mar 16, 2008). "Remember the Internet's past, or risk repeating it". IT World Canada. 
  3. ^ a b Crowcroft, Jon (2008). "Book review: Patterns in Network Architecture". The Internet Protocol Journal 11 (1): 37–38. 
  4. ^ a b c d "John Day, ECE Adjunct Professor, Department Spotlight Seminar". Boston University, Department of Electrical & Computer Engineering. 2008. Retrieved 2010-01-23. 
  5. ^ a b "Authors: John Day". InformIT. Pearson Education. Retrieved 2010-01-23. 
  6. ^ a b c d e "John Day curriculum vitae". A History of Computer Communications. Retrieved August 8, 2013. 
  7. ^ Day, John D.; Zimmermann, Hubert (1983). "The OSI reference model". Proceedings of the IEEE 71 (12): 1334–1340. doi:10.1109/proc.1983.12775. 
  8. ^ a b "Part-Time Faculty". Boston University Metropolitan College, Department of Computer Science. Retrieved 2010-01-23. 
  9. ^ Day, John (2007). Patterns in Network Architecture: A Return to Fundamentals. Prentice Hall. ISBN 978-0-13-225242-3. 
  10. ^ Day, John D. (1995). "The search for the origins of the Chinese manuscript of Matteo Ricci's maps". Imago Mundi 47: 94–117. doi:10.1080/03085699508592815. JSTOR 1151306. 

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