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Early Data Option for CoAP

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Hannes Tschofenig , Thomas Fossati
Last updated 2023-01-07 (Latest revision 2022-07-06)
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
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This Internet-Draft is no longer active.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:


This document defines mechanisms that allow clients to communicate with servers about CoAP requests that are sent in early data. Techniques are described that use these mechanisms to mitigate the risk of replay.


Hannes Tschofenig
Thomas Fossati

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