RFC 213 · UNKNOWN · 1971
SUN · 14 JUN 2026
IMP System change notification
Overview
RFC 213, “IMP System change notification”, is an Unknown document published in August 1971 by B. Cosell. 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 213 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 1971
- RFC 212 NWG meeting on network usage
- RFC 214 Network checkpoint
- RFC 211 ARPA Network Mailing Lists
- RFC 215 NCP, ICP, and Telnet: The Terminal IMP implementation
- RFC 210 Improvement of Flow Control
- RFC 216 Telnet Access to UCSB's On-Line System
- RFC 209 Host/IMP interface documentation
- RFC 217 Specifications changes for OLS, RJE/RJOR, and SMFS