{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-14T17:04:22.489Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC8201",
  "document": {
    "abstract": "This document describes Path MTU Discovery (PMTUD) for IP version 6. It is largely derived from RFC 1191, which describes Path MTU Discovery for IP version 4. It obsoletes RFC 1981.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "authors": [
      {
        "name": "Jack McCann <>"
      },
      {
        "name": "Dr. Steve E. Deering"
      },
      {
        "name": "Jeffrey Mogul <>"
      },
      {
        "name": "Bob Hinden"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docId": "RFC8201",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docLabel": "IETF RFC 8201",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docNumber": "8201",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docTitle": "Path MTU Discovery for IP version 6",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docType": "Standard",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "doi": "10.17487/RFC8201",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "href": "https://doi.org/10.17487/RFC8201",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "keywords": [
      "MTU-IPV6",
      "IP",
      "IPv6",
      "PMTUD"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "MTU-IPV6",
        "IP",
        "IPv6",
        "Link MTU",
        "Path MTU",
        "PMTU",
        "Path MTU Discovery"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T17:04:22.489Z",
      "version": "extractDocs.js@commit:8aec15acefbb"
    },
    "pages": "19",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "publicationDate": "2017-07-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "references": {
      "bibliographic": [
        "10.1145-55483.55524",
        "RFC4861",
        "RFC1122",
        "RFC1191",
        "RFC1981",
        "RFC2119",
        "RFC2923",
        "RFC4340",
        "RFC4821",
        "RFC4890",
        "RFC4960",
        "RFC6691",
        "RFC7530",
        "RFC8085"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=16 proseBlocks=20 skippedAnchorBlocks=18",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
        "updated": "2026-10-14T16:15:28.345Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "normative": [
        "RFC4443",
        "RFC8200"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
        "updated": "2026-10-14T16:15:28.345Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc8201/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
      "updated": "2026-10-14T16:15:28.345Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
        "updated": "2026-10-14T16:15:28.345Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
        "updated": "2026-10-14T16:15:28.345Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
        "updated": "2026-10-14T16:15:28.345Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "statusNote": "Internet Standard",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
        "updated": "2026-10-14T16:15:28.345Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
        "updated": "2026-10-14T16:15:28.345Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "supersedes": [
        "RFC1981"
      ],
      "supersedes$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8201/",
        "updated": "2026-10-14T16:15:28.345Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      }
    }
  }
}