RFC 690 · UNKNOWN · 1975
MON · 15 JUN 2026
Comments on the proposed Host/IMP Protocol changes
Overview
RFC 690, “Comments on the proposed Host/IMP Protocol changes”, is an Unknown document published in June 1975 by J. Postel. It updates RFC 687. It has since been updated by RFC 692. The canonical text is published by the RFC Editor.
Abstract
Comments on suggestions in RFC 687; see also RFCs 692 and 696.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
Read this RFC
The canonical text of RFC 690 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1975
- RFC 689 Tenex NCP finite state machine for connections
- RFC 691 One more try on the FTP
- RFC 688 Tentative schedule for the new Telnet implementation for the TIP
- RFC 692 Comments on IMP/Host Protocol changes
- RFC 687 IMP/Host and Host/IMP Protocol changes
- RFC 686 Leaving well enough alone
- RFC 694 Protocol information
- RFC 685 Response time in cross network debugging