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SenML Data Value Content-Format Indication

The information below is for an old version of the document.
Document Type
This is an older version of an Internet-Draft that was ultimately published as RFC 9193.
Expired & archived
Authors Ari Keränen , Carsten Bormann
Last updated 2020-05-07 (Latest revision 2019-11-04)
Replaces draft-keranen-core-senml-data-ct
RFC stream Internet Engineering Task Force (IETF)
OPSDIR Last Call Review Incomplete, due 2021-09-06
Additional resources Mailing list discussion
Stream WG state WG Document
Document shepherd (None)
IESG IESG state Expired
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


The Sensor Measurement Lists (SenML) media type supports multiple types of values, from numbers to text strings and arbitrary binary data values. In order to simplify processing of the data values this document proposes to specify a new SenML field for indicating the Content-Format of the data.


Ari Keränen
Carsten Bormann

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