{
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  "docId": "RFC4966",
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    "abstract": "This document discusses issues with the specific form of IPv6-IPv4 protocol translation mechanism implemented by the Network Address Translator - Protocol Translator (NAT-PT) defined in RFC 2766. These issues are sufficiently serious that recommending RFC 2766 as a general purpose transition mechanism is no longer desirable, and this document recommends that the IETF should reclassify RFC 2766 from Proposed Standard to Historic status. This memo provides information for the Internet community.",
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      "confidence": "high",
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      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
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    "authors": [
      {
        "name": "Cedric Aoun"
      },
      {
        "name": "Elwyn B. Davies"
      }
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      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
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      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
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    "docId": "RFC4966",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
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    "docLabel": "IETF RFC 4966",
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      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "docNumber": "4966",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "docTitle": "Reasons to Move the Network Address Translator - Protocol Translator (NAT-PT) to Historic Status",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "doi": "10.17487/RFC4966",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
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    "href": "https://doi.org/10.17487/RFC4966",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
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    "keywords": [
      "NAT-PT",
      "V6OPS"
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    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "NAT-PT",
        "V6ops"
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      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-14T15:55:51.386Z",
      "version": "extractDocs.js@commit:ca62cd19765f"
    },
    "pages": "25",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "publicationDate": "2007-07-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
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      "bibliographic": [
        "RFC1858",
        "RFC3128",
        "RFC2960",
        "RFC3498",
        "orphan/RFC4966/h:111fb9d4",
        "orphan/RFC4966/h:782e5e2f",
        "orphan/RFC4966/h:25112f38",
        "orphan/RFC4966/h:27d0d222",
        "orphan/RFC4966/h:ceec4b7d",
        "orphan/RFC4966/h:a3ce4451",
        "orphan/RFC4966/h:bf0ebcc8",
        "orphan/RFC4966/h:76c973d0",
        "orphan/RFC4966/h:ab16954d"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=30 proseBlocks=29 skippedAnchorBlocks=26",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
        "updated": "2026-10-13T22:24:04.028Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
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        "RFC2765",
        "RFC2766",
        "RFC2663",
        "RFC3027",
        "RFC3314",
        "RFC3484",
        "RFC1035",
        "RFC4294",
        "RFC4215",
        "RFC4033"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
        "updated": "2026-10-13T22:24:04.028Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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    "resolvedHref": "https://www.rfc-editor.org/info/rfc4966/",
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      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
      "updated": "2026-10-13T22:24:04.028Z",
      "version": "extractDocs.js@commit:fd871efde64d"
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      "active": true,
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
        "updated": "2026-10-13T22:24:04.028Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "errataExist": true,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
        "updated": "2026-10-13T22:24:04.028Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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      "errataUrl": [
        "https://www.rfc-editor.org/errata/rfc4966",
        "https://www.rfc-editor.org/errata_search.php?rfc=4966",
        "https://www.rfc-editor.org/rfc/inline-errata/rfc4966.html"
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      "errataUrl$meta": {
        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
        "updated": "2026-10-13T22:24:04.028Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
        "updated": "2026-10-13T22:24:04.028Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
        "updated": "2026-10-13T22:24:04.028Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
        "updated": "2026-10-13T22:24:04.028Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "supersedes": [
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      "supersedes$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4966/",
        "updated": "2026-10-13T22:24:04.028Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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}