{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-22T01:45:02.259Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC4938",
  "document": {
    "abstract": "This document extends the Point-to-Point over Ethernet (PPPoE) Protocol with a credit-based flow control mechanism and Link Quality Metric report. This optional extension should improve the performance of PPPoE over media with variable bandwidth and limited buffering, such as mobile radio links. This memo provides information for the Internet community.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "authors": [
      {
        "name": "Bo Berry"
      },
      {
        "name": "Howard H. Holgate"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "docId": "RFC4938",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "docLabel": "IETF RFC 4938",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "docNumber": "4938",
    "docNumber$meta": {
      "confidence": "high",
      "note": "From the RFC index entry (rfc-index.xml <doc-id>)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "docTitle": "PPP Over Ethernet (PPPoE) Extensions for Credit Flow and Link Metrics",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "doi": "10.17487/RFC4938",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "href": "https://doi.org/10.17487/RFC4938",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "pages": "17",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "publicationDate": "2007-06-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "references": {
      "normative": [
        "RFC1661",
        "RFC2516",
        "RFC4937"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
        "updated": "2026-10-22T01:45:02.259Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc4938/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
      "updated": "2026-10-22T01:45:02.259Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "status": {
      "active": false,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
        "updated": "2026-10-22T01:45:02.259Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
      },
      "errataExist": true,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
        "updated": "2026-10-22T01:45:02.259Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
      },
      "errataUrl": [
        "https://www.rfc-editor.org/errata/rfc4938",
        "https://www.rfc-editor.org/errata_search.php?rfc=4938",
        "https://www.rfc-editor.org/rfc/inline-errata/rfc4938.html"
      ],
      "errataUrl$meta": {
        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
        "updated": "2026-10-22T01:45:02.259Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
      },
      "latestVersion": false,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
        "updated": "2026-10-22T01:45:02.259Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
      },
      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
        "updated": "2026-10-22T01:45:02.259Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
      },
      "superseded": true,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
        "updated": "2026-10-22T01:45:02.259Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
      },
      "supersededBy": [
        "RFC5578"
      ],
      "supersededBy$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4938/",
        "updated": "2026-10-22T01:45:02.259Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
      }
    }
  }
}