RFC 633 · UNKNOWN · 1974
WED · 17 JUN 2026
IMP/TIP preventive maintenance schedule
Overview
RFC 633, “IMP/TIP preventive maintenance schedule”, is an Unknown document published in March 1974 by A.M. McKenzie. It has been obsoleted by RFC 638 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
An old version; see RFC 638.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
Read this RFC
The canonical text of RFC 633 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1974
- RFC 632 Throughput degradations for single packet messages
- RFC 634 Change in network address for Haskins Lab
- RFC 631 International meeting on minicomputers and data communication: Call for papers
- RFC 635 Assessment of ARPANET protocols
- RFC 630 FTP error code usage for more reliable mail service
- RFC 636 TIP/Tenex reliability improvements
- RFC 629 Scenario for using the Network Journal
- RFC 637 Change of network address for SU-DSL