RFC 9952 · INFORMATIONAL · 2026
MON · 27 JUL 2026
Application-Layer Protocol Negotiation ID for CoAP over DTLS
Overview
RFC 9952, “Application-Layer Protocol Negotiation ID for CoAP over DTLS”, is an Informational document published in March 2026 by M. S. Lenders, C. Amsüss, T. C. Schmidt, M. Wählisch. The canonical text is published by the RFC Editor.
Abstract
This document specifies an Application-Layer Protocol Negotiation (ALPN) ID for Constrained Application Protocol (CoAP) services that are secured by DTLS.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
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