{
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  "sourcePath": "src/main/data/docs",
  "docId": "RFC5237",
  "document": {
    "abstract": "This document revises the IANA guidelines for allocating new Protocol field values in IPv4 header. It modifies the rules specified in RFC 2780 by removing the Expert Review option. The change will also affect the allocation of Next Header field values in IPv6. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.",
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      "confidence": "high",
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      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "authors": [
      {
        "name": "Jari Arkko"
      },
      {
        "name": "Scott O. Bradner"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docId": "RFC5237",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docLabel": "IETF RFC 5237",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docNumber": "5237",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docTitle": "IANA Allocation Guidelines for the Protocol Field",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docType": "Best Practice",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "doi": "10.17487/RFC5237",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "href": "https://doi.org/10.17487/RFC5237",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "keywords": [
      "Ipv4 Header",
      "Next Header Field",
      "IANA",
      "IP"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "pages": "5",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publicationDate": "2008-02-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "references": {
      "bibliographic": [
        "RFC4727"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=5 proseBlocks=8 skippedAnchorBlocks=6",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
        "updated": "2026-10-13T18:22:04.019Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "normative": [
        "RFC791",
        "RFC2434",
        "RFC2460",
        "RFC2780"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
        "updated": "2026-10-13T18:22:04.019Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc5237/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
      "updated": "2026-10-13T18:22:04.019Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
        "updated": "2026-10-13T18:22:04.019Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "amends": [
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      "amends$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
        "updated": "2026-10-13T18:22:04.019Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "errataExist": true,
      "errataExist$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/rfc5237/",
        "updated": "2026-10-13T18:22:04.019Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "errataUrl": [
        "https://www.rfc-editor.org/errata/rfc5237",
        "https://www.rfc-editor.org/errata_search.php?rfc=5237"
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      "errataUrl$meta": {
        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
        "updated": "2026-10-13T18:22:04.019Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
        "updated": "2026-10-13T18:22:04.019Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "statusNote": "Best Current Practice",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
        "updated": "2026-10-13T18:22:04.019Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5237/",
        "updated": "2026-10-13T18:22:04.019Z",
        "version": "extractDocs.js@commit:6d30695438dd"
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}