{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-13T18:24:01.209Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC6709",
  "document": {
    "abstract": "This document discusses architectural issues related to the extensibility of Internet protocols, with a focus on design considerations. It is intended to assist designers of both base protocols and extensions. Case studies are included. A companion document, RFC 4775 (BCP 125), discusses procedures relating to the extensibility of IETF protocols. This document is not an Internet Standards Track specification; it is published for informational purposes.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "authors": [
      {
        "name": "Brian E. Carpenter"
      },
      {
        "name": "Dr. Bernard D. Aboba"
      },
      {
        "name": "Stuart Cheshire"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docId": "RFC6709",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docLabel": "IETF RFC 6709",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docNumber": "6709",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docTitle": "Design Considerations for Protocol Extensions",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "doi": "10.17487/RFC6709",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "href": "https://doi.org/10.17487/RFC6709",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "pages": "42",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publicationDate": "2012-09-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "references": {
      "bibliographic": [
        "IEEE.STD802.1X.2004",
        "RFC822",
        "RFC1263",
        "RFC1341",
        "RFC1521",
        "RFC2058",
        "RFC2132",
        "RFC2246",
        "RFC2284",
        "RFC2474",
        "RFC2616",
        "RFC2661",
        "RFC2671",
        "RFC2822",
        "RFC2865",
        "RFC2882",
        "RFC3095",
        "RFC3261",
        "RFC3427",
        "RFC3575",
        "RFC3588",
        "RFC3597",
        "RFC3692",
        "RFC3735",
        "RFC3748",
        "RFC3935",
        "RFC4001",
        "RFC4181",
        "RFC4366",
        "RFC4485",
        "RFC4521",
        "RFC4727",
        "RFC4929",
        "RFC4962",
        "RFC5080",
        "RFC5201",
        "RFC5218",
        "RFC5225",
        "RFC5246",
        "RFC5321",
        "RFC5405",
        "RFC5421",
        "RFC5422",
        "RFC5704",
        "RFC5727",
        "RFC5996",
        "RFC6055",
        "RFC6158",
        "RFC6648",
        "orphan/RFC6709/h:12bc3864",
        "orphan/RFC6709/h:bfb9b607",
        "orphan/RFC6709/h:3680f555",
        "orphan/RFC6709/h:d0d0c55b",
        "orphan/RFC6709/h:e99fa8fb",
        "orphan/RFC6709/h:fbda9260"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=58 proseBlocks=72 skippedAnchorBlocks=63",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
        "updated": "2026-10-13T18:24:01.209Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "normative": [
        "RFC2119",
        "RFC4775",
        "RFC5226"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
        "updated": "2026-10-13T18:24:01.209Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc6709/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
      "updated": "2026-10-13T18:24:01.209Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
        "updated": "2026-10-13T18:24:01.209Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "errataExist": false,
      "errataExist$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/rfc6709/",
        "updated": "2026-10-13T18:24:01.209Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
        "updated": "2026-10-13T18:24:01.209Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
        "updated": "2026-10-13T18:24:01.209Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6709/",
        "updated": "2026-10-13T18:24:01.209Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      }
    }
  }
}