{
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  "docId": "RFC8687",
  "document": {
    "abstract": "When using Traffic Engineering (TE) in a dual-stack IPv4/IPv6 network, the Multiprotocol Label Switching (MPLS) TE Label Switched Path (LSP) infrastructure may be duplicated, even if the destination IPv4 and IPv6 addresses belong to the same remote router. In order to achieve an integrated MPLS TE LSP infrastructure, OSPF routes must be computed over MPLS TE tunnels created using information propagated in another OSPF instance. This issue is solved by advertising cross-address family (X-AF) OSPF TE information. This document describes an update to RFC 5786 that allows for the easy identification of a router's local X-AF IP addresses.",
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      "confidence": "high",
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      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "authors": [
      {
        "name": "Anton Smirnov"
      },
      {
        "name": "Alvaro Retana"
      },
      {
        "name": "Michael Barnes"
      }
    ],
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      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
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    },
    "docId": "RFC8687",
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      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
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      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
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    "docLabel": "IETF RFC 8687",
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      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docNumber": "8687",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docTitle": "OSPF Routing with Cross-Address Family Traffic Engineering Tunnels",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docType": "Standard",
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      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "doi": "10.17487/RFC8687",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "href": "https://doi.org/10.17487/RFC8687",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "keywords": [
      "OSPF",
      "IPv4",
      "IPv6",
      "Traffic Engineering",
      "MPLS"
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    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "pages": "8",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "publicationDate": "2019-11-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "references": {
      "bibliographic": [
        "RFC2328",
        "RFC3906",
        "RFC4461",
        "RFC5340",
        "RFC5838",
        "RFC6827"
      ],
      "bibliographic$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
        "updated": "2026-10-14T16:16:18.814Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "normative": [
        "RFC2119",
        "RFC3630",
        "RFC5329",
        "RFC5786",
        "RFC8174"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
        "updated": "2026-10-14T16:16:18.814Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc8687/",
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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/rfc8687/",
      "updated": "2026-10-14T16:16:18.814Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
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    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
        "updated": "2026-10-14T16:16:18.814Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "amends": [
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      ],
      "amends$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
        "updated": "2026-10-14T16:16:18.814Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
        "updated": "2026-10-14T16:16:18.814Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
        "updated": "2026-10-14T16:16:18.814Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "statusNote": "Proposed Standard",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
        "updated": "2026-10-14T16:16:18.814Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
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      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8687/",
        "updated": "2026-10-14T16:16:18.814Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
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}