RFC 604 · UNKNOWN · 1973 TUE · 15 SEP 2026

Assigned link numbers

By J. Postel · Published December 1973 · DOI 10.17487/RFC0604

Overview

RFC 604, “Assigned link numbers”, is an Unknown document published in December 1973 by J. Postel. It obsoletes RFC 317. It has been obsoleted by RFC 739 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.

Abstract

Modifies official host-host protocol. Replaces RFC 377.

Abstract as published in the RFC, via rfc-editor.org.

What “Unknown” means

The standards-track status of this early RFC was never formally classified.

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Relationships to other RFCs
This RFC obsoletes
RFC 317
Obsoleted by
RFC 739
Other RFCs from 1973