{
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  "sourcePath": "src/main/data/docs",
  "docId": "RFC7857",
  "document": {
    "abstract": "This document clarifies and updates several requirements of RFCs 4787, 5382, and 5508 based on operational and development experience. The focus of this document is Network Address Translation from IPv4 to IPv4 (NAT44). This document updates RFCs 4787, 5382, and 5508.",
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      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "authors": [
      {
        "name": "Reinaldo Penno"
      },
      {
        "name": "Simon Perreault"
      },
      {
        "name": "Mohamed Boucadair"
      },
      {
        "name": "Senthil Sivakumar"
      },
      {
        "name": "Kengo Naito"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "docId": "RFC7857",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "docLabel": "IETF RFC 7857",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "docNumber": "7857",
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      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T16:07:07.926Z",
      "version": "extractDocs.js@commit:cc2368606b5f"
    },
    "docTitle": "Updates to Network Address Translation (NAT) Behavioral Requirements",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "docType": "Best Practice",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "doi": "10.17487/RFC7857",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "href": "https://doi.org/10.17487/RFC7857",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "keywords": [
      "Address Sharing",
      "IPv4 Service Continuity",
      "CGN",
      "NAT Traversal",
      "DS-Lite",
      "NAT64",
      "Address Depletion"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "Address Sharing",
        "IPv4 Service Continuity",
        "CGN",
        "LSN",
        "NAT Traversal",
        "RFC4787",
        "RFC5382",
        "RFC5508",
        "DS-Lite",
        "NAT64",
        "Address Depletion"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T16:07:07.926Z",
      "version": "extractDocs.js@commit:cc2368606b5f"
    },
    "pages": "14",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "publicationDate": "2016-04-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "references": {
      "bibliographic": [
        "RFC2663",
        "RFC3022",
        "RFC5389",
        "RFC6269",
        "RFC6887",
        "RFC6888",
        "RFC7296",
        "RFC7753"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=17 proseBlocks=18 skippedAnchorBlocks=16",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
        "updated": "2026-10-20T09:42:34.717Z",
        "version": "extractDocs.js@commit:6ff5f1bb34e3"
      },
      "normative": [
        "RFC2119",
        "RFC4787",
        "RFC5382",
        "RFC5508",
        "RFC6056",
        "RFC6146",
        "RFC6864"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
        "updated": "2026-10-20T09:42:34.717Z",
        "version": "extractDocs.js@commit:6ff5f1bb34e3"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc7857/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
      "updated": "2026-10-20T09:42:34.717Z",
      "version": "extractDocs.js@commit:6ff5f1bb34e3"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
        "updated": "2026-10-20T09:42:34.717Z",
        "version": "extractDocs.js@commit:6ff5f1bb34e3"
      },
      "amends": [
        "RFC4787",
        "RFC5382",
        "RFC5508"
      ],
      "amends$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
        "updated": "2026-10-20T09:42:34.717Z",
        "version": "extractDocs.js@commit:6ff5f1bb34e3"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
        "updated": "2026-10-20T09:42:34.717Z",
        "version": "extractDocs.js@commit:6ff5f1bb34e3"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
        "updated": "2026-10-20T09:42:34.717Z",
        "version": "extractDocs.js@commit:6ff5f1bb34e3"
      },
      "statusNote": "Best Current Practice",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
        "updated": "2026-10-20T09:42:34.717Z",
        "version": "extractDocs.js@commit:6ff5f1bb34e3"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7857/",
        "updated": "2026-10-20T09:42:34.717Z",
        "version": "extractDocs.js@commit:6ff5f1bb34e3"
      }
    }
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}