Vint Cerf & Bob Kahn

In May, 1974 Vint Cerf and Bob Kahn, submitted a paper titled “A Protocol for Packet Network Interconnection”. It was published by the Institute of Electrical and Electronic Engineers (IEEE) and “TCP” was born.

TCP incorporated both connection-oriented and datagram services.

It soon became apparent to the two men that this design should be subdivided into two separate protocols. Session management was not easy to do in an application-independent way. In practice, an application could sometimes run more efficiently or be implemented more easily when it managed network connections itself. “TCP” became Internet Protocol (IP) that supported datagrams and Transmission Control Protocol (TCP/IP) that added connection semantics as a layer on top of IP.

Fun facts:

  • Since 2005, Cerf has been working for Google. His official job description there appears to be Internet Evangelist.
  • Cerf is the author of RFC 968 (one of the memoranda of the Internet Engineering Task Force – only this one is in the shape of a poem).
  • Cerf has never posted an image of a cat of any kind online.

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