{
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  "docId": "RFC6732",
  "document": {
    "abstract": "6to4 Provider Managed Tunnels (6to4-PMT) provide a framework that can help manage 6to4 tunnels operating in an anycast configuration. The 6to4-PMT framework is intended to serve as an option for operators to help improve the experience of 6to4 operation when conditions of the network may provide sub-optimal performance or break normal 6to4 operation. 6to4-PMT supplies a stable provider prefix and forwarding environment by utilizing existing 6to4 relays with an added function of IPv6 Prefix Translation. This operation may be particularly important in NAT444 infrastructures where a customer endpoint may be assigned a non-RFC1918 address, thus breaking the return path for anycast-based 6to4 operation. 6to4-PMT has been successfully used in a production network, implemented as open source code, and implemented by a major routing vendor. This document is not an Internet Standards Track specification; it is published for informational purposes.",
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      "confidence": "high",
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      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "authors": [
      {
        "name": "Victor Kuarsingh"
      },
      {
        "name": "Yiu Lee"
      },
      {
        "name": "Olivier Vautrin"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "docId": "RFC6732",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "docLabel": "IETF RFC 6732",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "docNumber": "6732",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "docTitle": "6to4 Provider Managed Tunnels",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "docType": "Specification",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "doi": "10.17487/RFC6732",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "href": "https://doi.org/10.17487/RFC6732",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "keywords": [
      "6to4"
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    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "6to4-PMT"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T20:20:16.173Z",
      "version": "extractDocs.js@commit:5774daa8c9d8"
    },
    "pages": "12",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "publicationDate": "2012-09-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
    },
    "references": {
      "bibliographic": [
        "RFC1981",
        "RFC3022",
        "RFC4291",
        "RFC4443",
        "RFC5969",
        "RFC6169",
        "RFC6264",
        "RFC6296",
        "RFC6333",
        "RFC6343",
        "RFC6598",
        "RFC6724"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=14 proseBlocks=17 skippedAnchorBlocks=15",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
        "updated": "2026-10-15T19:19:23.151Z",
        "version": "extractDocs.js@commit:669b9e3c6fef"
      },
      "normative": [
        "RFC3056",
        "RFC3068"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
        "updated": "2026-10-15T19:19:23.151Z",
        "version": "extractDocs.js@commit:669b9e3c6fef"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc6732/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
      "updated": "2026-10-15T19:19:23.151Z",
      "version": "extractDocs.js@commit:669b9e3c6fef"
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      "active": false,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
        "updated": "2026-10-15T19:19:23.151Z",
        "version": "extractDocs.js@commit:669b9e3c6fef"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
        "updated": "2026-10-15T19:19:23.151Z",
        "version": "extractDocs.js@commit:669b9e3c6fef"
      },
      "latestVersion": false,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
        "updated": "2026-10-15T19:19:23.151Z",
        "version": "extractDocs.js@commit:669b9e3c6fef"
      },
      "statusNote": "Historic",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
        "updated": "2026-10-15T19:19:23.151Z",
        "version": "extractDocs.js@commit:669b9e3c6fef"
      },
      "superseded": true,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
        "updated": "2026-10-15T19:19:23.151Z",
        "version": "extractDocs.js@commit:669b9e3c6fef"
      },
      "supersededBy": [
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      ],
      "supersededBy$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6732/",
        "updated": "2026-10-15T19:19:23.151Z",
        "version": "extractDocs.js@commit:669b9e3c6fef"
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}