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On Media-Types, Content-Types, and related terminology

The information below is for an old version of the document.
Document Type
This is an older version of an Internet-Draft whose latest revision state is "Expired".
Expired & archived
Author Carsten Bormann
Last updated 2021-02-19 (Latest revision 2020-08-18)
RFC stream (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


There is a lot of confusion about media-types, content-types, and related terminology. This memo is an attempt at clearing it up, so we can use consistent terminology in CoRE and related specifications. It also defines some ABNF that can be used in these specifications.


Carsten Bormann

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)