Concise data definition language (CDDL): a notational convention to express CBOR data structures

Document Type Replaced Internet-Draft (individual in art area)
Authors Henk Birkholz  , Christoph Vigano  , Carsten Bormann 
Last updated 2017-07-03
Replaced by RFC 8610
Stream Internet Engineering Task Force (IETF)
Intended RFC status Informational
Expired & archived
pdf htmlized bibtex
Stream WG state (None)
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-cbor-cddl
Action Holders
Consensus Boilerplate Unknown
Telechat date
Responsible AD Alexey Melnikov
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document proposes a notational convention to express CBOR data structures (RFC 7049). Its main goal is to provide an easy and unambiguous way to express structures for protocol messages and data formats that use CBOR.


Henk Birkholz (
Christoph Vigano (
Carsten Bormann (

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