{
  "draft": "draft-ietf-core-coap-dtls-alpn-05",
  "doc_id": "RFC9952",
  "title": "Application-Layer Protocol Negotiation (ALPN) ID for CoAP over DTLS",
  "authors": [
    "M. S. Lenders",
    "C. Ams\u00fcss",
    "T. C. Schmidt",
    "M. W\u00e4hlisch"
  ],
  "format": [
    "XML",
    "TEXT",
    "HTML",
    "PDF"
  ],
  "page_count": "5",
  "pub_status": "INFORMATIONAL",
  "status": "INFORMATIONAL",
  "source": "Constrained RESTful Environments",
  "abstract": "This document specifies an Application-Layer Protocol Negotiation (ALPN) ID for Constrained Application Protocol (CoAP) services that are secured by DTLS.",
  "pub_date": "March 2026",
  "keywords": [
    "CoRE",
    "CoAP",
    "SVCB",
    "DTLS",
    "ALPN"
  ],
  "obsoletes": [],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [],
  "see_also": [],
  "doi": "10.17487/RFC9952",
  "errata_url": null
}