{
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    "abstract": "IPv6 specifies a model of a subnet that is different than the IPv4 subnet model. The subtlety of the differences has resulted in incorrect implementations that do not interoperate. This document spells out the most important difference: that an IPv6 address isn't automatically associated with an IPv6 on-link prefix. This document also updates (partially due to security concerns caused by incorrect implementations) a part of the definition of \"on-link\" from RFC 4861. [STANDARDS-TRACK]",
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    "authors": [
      {
        "name": "Hemant Singh"
      },
      {
        "name": "Wes Beebee"
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      {
        "name": "Erik Nordmark"
      }
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      "confidence": "high",
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      "confidence": "high",
      "note": "Constructed from provider and document identifier",
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      "source": "resolved",
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      "confidence": "high",
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      "updated": "2026-10-13T22:25:27.303Z",
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    "docTitle": "IPv6 Subnet Model: The Relationship between Links and Subnet Prefixes",
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      "confidence": "high",
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      "source": "parsed",
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      "updated": "2026-10-13T22:25:27.303Z",
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      "confidence": "high",
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    "doi": "10.17487/RFC5942",
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      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
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      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
      "updated": "2026-10-13T22:25:27.303Z",
      "version": "extractDocs.js@commit:fd871efde64d"
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    "href": "https://doi.org/10.17487/RFC5942",
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      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
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      "updated": "2026-10-13T22:25:27.303Z",
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      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
      "updated": "2026-10-13T22:25:27.303Z",
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    "publicationDate": "2010-07-01",
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      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
      "updated": "2026-10-13T22:25:27.303Z",
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    "publisher": "IETF",
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      "confidence": "high",
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      "source": "parsed",
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        "RFC950",
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        "RFC2461",
        "RFC3315",
        "RFC3756",
        "RFC4291",
        "RFC4388",
        "RFC4632",
        "RFC4862",
        "RFC4903",
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        "flag": "MIXED_REF_LAYOUT_RISK anchored=13 proseBlocks=16 skippedAnchorBlocks=14",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
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        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
        "updated": "2026-10-13T22:25:27.303Z",
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        "RFC2119",
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        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
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        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
        "updated": "2026-10-13T22:25:27.303Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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    "resolvedHref": "https://www.rfc-editor.org/info/rfc5942/",
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      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
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      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
      "updated": "2026-10-13T22:25:27.303Z",
      "version": "extractDocs.js@commit:fd871efde64d"
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
        "updated": "2026-10-13T22:25:27.303Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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        "confidence": "high",
        "note": "Parsed from RFC index XML",
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        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
        "updated": "2026-10-13T22:25:27.303Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
        "updated": "2026-10-13T22:25:27.303Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
        "updated": "2026-10-13T22:25:27.303Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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      "statusNote": "Proposed Standard",
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        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
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        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
        "updated": "2026-10-13T22:25:27.303Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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      "superseded$meta": {
        "confidence": "high",
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        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5942/",
        "updated": "2026-10-13T22:25:27.303Z",
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