{
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  "lastModified": "2026-10-16T20:45:12.190Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC6957",
  "document": {
    "abstract": "The document describes a proxy-based mechanism allowing the use of Duplicate Address Detection (DAD) by IPv6 nodes in a point-to-multipoint architecture with a \"split-horizon\" forwarding scheme, primarily deployed for Digital Subscriber Line (DSL) and Fiber access architectures. Based on the DAD signaling, the first-hop router stores in a Binding Table all known IPv6 addresses used on a point-to-multipoint domain (e.g., VLAN). When a node performs DAD for an address already used by another node, the first-hop router defends the address rather than the device using the address.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "authors": [
      {
        "name": "Fabio Costa"
      },
      {
        "name": "Jean-Michel Combes"
      },
      {
        "name": "Xavier Pougnard"
      },
      {
        "name": "Li Hongyu"
      }
    ],
    "authors$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/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "docId": "RFC6957",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "docLabel": "IETF RFC 6957",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "docNumber": "6957",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "docTitle": "Duplicate Address Detection Proxy",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "docType": "Standard",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "doi": "10.17487/RFC6957",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "href": "https://doi.org/10.17487/RFC6957",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "keywords": [
      "IPv6",
      "SLAAC",
      "DAD",
      "SAVI"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "pages": "16",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "publicationDate": "2013-06-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "references": {
      "bibliographic": [
        "RFC3971",
        "RFC3972",
        "RFC4389",
        "RFC5072",
        "RFC5909",
        "RFC6275",
        "RFC6496",
        "RFC6620",
        "RFC6775",
        "orphan/RFC6957/h:a2a77250",
        "orphan/RFC6957/h:112bbf72",
        "orphan/RFC6957/h:0d77ce77"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=17 proseBlocks=20 skippedAnchorBlocks=18",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
        "updated": "2026-10-16T20:45:12.190Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "normative": [
        "RFC2119",
        "RFC4861",
        "RFC4862",
        "RFC6085"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
        "updated": "2026-10-16T20:45:12.190Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc6957/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
      "updated": "2026-10-16T20:45:12.190Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
        "updated": "2026-10-16T20:45:12.190Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "errataExist": false,
      "errataExist$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/rfc6957/",
        "updated": "2026-10-16T20:45:12.190Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
        "updated": "2026-10-16T20:45:12.190Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "statusNote": "Proposed Standard",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
        "updated": "2026-10-16T20:45:12.190Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6957/",
        "updated": "2026-10-16T20:45:12.190Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      }
    }
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}