BCP 14

RFC 2119

"Key words for use in RFCs to Indicate Requirement Levels", March 1997

Canonical URL:

http://www.rfc-editor.org/rfc/rfc2119.txt
This document is also available in this non-normative format: PDF.

Status:

BEST CURRENT PRACTICE

Author:

S. Bradner

Stream:

[Legacy]

Please refer here for any errata for this document. To submit a new errata report, go to the main errata page.

Abstract

In many standards track documents several words are used to signify the requirements in the specification. These words are often capitalized. This document defines these words as they should be interpreted in IETF documents. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.

For the definition of Stream, see RFC 4844.