1972

Jon Postel begins Internet numbering stewardship

Jon Postel took on socket-number and protocol assignment duties in 1972 — the functions later formalized as IANA, though that name was not used until the 1980s.

What it was for

Jon PostelPostel's stewardship kept the internet's naming and numbering coherent as it grew from ARPANETAdvanced Research Projects Agency Network — the U.S. research network that pioneered packet switching and became a precursor to the internet. research to a global network. He was the RFC Editor and IANA administrator until his death in 1998.

People

  • Jon Postelmaintainer

Why it's here

Postel's quiet governance made decentralized internet growth possible.

Why it mattered

IANA assignments let independent networks interoperate without a central authority.

What it solved

Growing packet networks needed consistent protocol numbers and document editing.

Media

  • Jon Postel
    ImageJon Postel

    Carl Malamud, CC BY 2.0, via Wikimedia Commons

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