{
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  "apiVersion": "1.1.0",
  "lastModified": "2026-10-15T16:42:07.181Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC9853",
  "document": {
    "abstract": "This document specifies a Return Routability Check (RRC) subprotocol for use in the context of the Connection ID (CID) construct for the Datagram Transport Layer Security (DTLS) protocol versions 1.2 and 1.3. Implementations offering the CID functionality described in RFCs 9146 and 9147 are encouraged to also provide the RRC functionality described in this document. For this reason, this document updates RFCs 9146 and 9147.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "authors": [
      {
        "name": "Hannes Tschofenig"
      },
      {
        "name": "Achim Kraus"
      },
      {
        "name": "Thomas Fossati"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "docId": "RFC9853",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "docLabel": "IETF RFC 9853",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "docNumber": "9853",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "docTitle": "Return Routability Check for DTLS 1.2 and 1.3",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "docType": "Standard",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "doi": "10.17487/RFC9853",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "href": "https://doi.org/10.17487/RFC9853",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "keywords": [
      "DTLS"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "DTLS",
        "RRC",
        "CID"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-15T16:42:07.181Z",
      "version": "extractDocs.js@commit:0f51bb226575"
    },
    "pages": "22",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "publicationDate": "2026-03-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "references": {
      "bibliographic": [
        "IETF.draft-irtf-t2trg-amplification-attacks-05",
        "IETF.draft-ietf-uta-tls13-iot-profile-19",
        "RFC4086",
        "RFC9000",
        "RFC9175"
      ],
      "bibliographic$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
        "updated": "2026-10-14T18:51:55.110Z",
        "version": "extractDocs.js@commit:673dd514c094"
      },
      "normative": [
        "RFC2119",
        "RFC6347",
        "RFC8126",
        "RFC8174",
        "RFC8446",
        "RFC8447",
        "RFC9146",
        "RFC9147",
        "RFC9847",
        "orphan/RFC9853/h:e9713b1d"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
        "updated": "2026-10-14T18:51:55.110Z",
        "version": "extractDocs.js@commit:673dd514c094"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc9853/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
      "updated": "2026-10-14T18:51:55.110Z",
      "version": "extractDocs.js@commit:673dd514c094"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
        "updated": "2026-10-14T18:51:55.110Z",
        "version": "extractDocs.js@commit:673dd514c094"
      },
      "amends": [
        "RFC9146",
        "RFC9147"
      ],
      "amends$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
        "updated": "2026-10-14T18:51:55.110Z",
        "version": "extractDocs.js@commit:673dd514c094"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
        "updated": "2026-10-14T18:51:55.110Z",
        "version": "extractDocs.js@commit:673dd514c094"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
        "updated": "2026-10-14T18:51:55.110Z",
        "version": "extractDocs.js@commit:673dd514c094"
      },
      "statusNote": "Proposed Standard",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
        "updated": "2026-10-14T18:51:55.110Z",
        "version": "extractDocs.js@commit:673dd514c094"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9853/",
        "updated": "2026-10-14T18:51:55.110Z",
        "version": "extractDocs.js@commit:673dd514c094"
      }
    }
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}