RFC 1122 · INTERNET STANDARD · 1989

Requirements for Internet Hosts - Communication Layers

Overview

RFC 1122, “Requirements for Internet Hosts - Communication Layers”, is an Internet Standard document published in October 1989 by R. Braden. It updates RFC 793. It has since been updated by RFC 1349, RFC 4379, RFC 5884, RFC 6093, RFC 6298, RFC 6633, RFC 6864, RFC 8029, RFC 9293. The canonical text is published by the RFC Editor.

Abstract

This RFC is an official specification for the Internet community. It incorporates by reference, amends, corrects, and supplements the primary protocol standards documents relating to hosts. [STANDARDS-TRACK]

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

What “Internet Standard” means

A mature, widely-implemented specification that has completed the full IETF standards process — the highest maturity level on the standards track.

Read this RFC

The canonical text of RFC 1122 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
This RFC updates
RFC 793
Other RFCs from 1989

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