RFC 18 · UNKNOWN · 1969
WED · 17 JUN 2026
IMP-IMP and HOST-HOST Control Links
Overview
RFC 18, “IMP-IMP and HOST-HOST Control Links”, is an Unknown document published in September 1969 by V. Cerf. The canonical text is published by the RFC Editor.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
Read this RFC
The canonical text of RFC 18 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 1969
- RFC 17 Some questions re: Host-IMP Protocol
- RFC 19 Two protocol suggestions to reduce congestion at swap bound nodes
- RFC 16 M.I.T
- RFC 20 ASCII format for network interchange
- RFC 15 Network subsystem for time sharing hosts
- RFC 21 Network meeting
- RFC 22 Host-host control message formats
- RFC 13 Zero Text Length EOF Message