RFC 9 · UNKNOWN · 1969
SUN · 21 JUN 2026
Host Software
Overview
RFC 9, “Host Software”, is an Unknown document published in May 1969 by G. Deloche. 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 9 is hosted at rfc-editor.org. Available in PDF.
Other RFCs from 1969
- RFC 8 ARPA Network Functional Specifications
- RFC 10 Documentation conventions
- RFC 7 Host-IMP interface
- RFC 11 Implementation of the Host - Host Software Procedures in GORDO
- RFC 6 Conversation with Bob Kahn
- RFC 12 IMP-Host interface flow diagrams
- RFC 5 Decode Encode Language
- RFC 13 Zero Text Length EOF Message