RFC 91 · UNKNOWN · 1970
WED · 17 JUN 2026
Proposed User-User Protocol
Overview
RFC 91, “Proposed User-User Protocol”, is an Unknown document published in December 1970 by G.H. Mealy. The canonical text is published by the RFC Editor.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
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The canonical text of RFC 91 is hosted at rfc-editor.org. Available in TXT,HTML.
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