RFC 55 · UNKNOWN · 1970
MON · 15 JUN 2026
Prototypical implementation of the NCP
Overview
RFC 55, “Prototypical implementation of the NCP”, is an Unknown document published in June 1970 by J. Newkirk, M. Kraley, J. Postel, S.D. Crocker. 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 55 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 1970
- RFC 54 Official Protocol Proffering
- RFC 56 Third Level Protocol: Logger Protocol
- RFC 53 Official protocol mechanism
- RFC 57 Thoughts and Reflections on NWG/RFC 54
- RFC 52 Updated distribution list
- RFC 58 Logical Message Synchronization
- RFC 51 Proposal for a Network Interchange Language
- RFC 59 Flow Control - Fixed Versus Demand Allocation