🛠️ Invention or technique

TCP/IP protocol suite

Protocolo TCP/IP

Date
1974 · confidence high
Place
Stanford, California, and DARPA, Arlington, United States
Credited to
Vint Cerf and Bob Kahn; adopted on ARPANET on 1 January 1983
People
👤 Bob Kahn1938–👤 Vinton Cerf1943–
Field
Communication

⚠️ Disputed: the sources disagree.

What it is

Set of protocols that allows heterogeneous networks to be interconnected into a network of networks, with reliable end-to-end delivery. It is the technical definition of the internet.

Louis Pouzin (CYCLADES, France) contributed the datagram and end-to-end principle; public credit goes to Cerf and Kahn.

What it led to

  • The internet as an open, neutral global network
  • The disintermediation of national telephone companies
  • The common infrastructure of the web, email, streaming and AI
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Sources✓ verified 2026-09-25