John Day

John Day has been involved in parallel processing, operating system development and advanced computer networking research since 1970 when he was involved in the design of protocols for ARPANET and its successor, the Internet. He managed the development of the OSI Reference Model, Naming and Addressing and upper-layer architecture.Since 1984, he has pioneered the development of network management architectures, as well as several related products and protocols at every layer. A recognized historian, Day has also published on the history of China. Most recently, he has contributed to the 2007 Smithsonian Institution exhibit, Encompassing the Globe. Day is the author of “Patterns in Network Architecture: A Return to Fundamentals”. He can be reached at

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