{
  "$schema": "/api/schemas/documents.schema.json",
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  "lastModified": "2026-10-14T16:16:48.869Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC9040",
  "document": {
    "abstract": "This memo provides guidance to TCP implementers that is intended to help improve connection convergence to steady-state operation without affecting interoperability. It updates and replaces RFC 2140's description of sharing TCP state, as typically represented in TCP Control Blocks, among similar concurrent or consecutive connections.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "authors": [
      {
        "name": "Dr. Joseph D. Touch"
      },
      {
        "name": "Michael Welzl"
      },
      {
        "name": "Safiqul Islam"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docId": "RFC9040",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docLabel": "IETF RFC 9040",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docNumber": "9040",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docTitle": "TCP Control Block Interdependence",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "doi": "10.17487/RFC9040",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "href": "https://doi.org/10.17487/RFC9040",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "pages": "29",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "publicationDate": "2021-07-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "references": {
      "bibliographic": [
        "IETF.draft-allman-tcpm-bump-initcwnd-00",
        "10.1109-ICC.2016.7510786",
        "IETF.draft-ietf-tcpm-generalized-ecn-07",
        "10.1145-179606.179671",
        "10.1109-MCOM.2002.1039865",
        "IETF.draft-hughes-restart-00",
        "10.1109-ICC.2012.6364516",
        "IANA",
        "10.1109-INFCOMW.2018.8406887",
        "RFC1379",
        "RFC1644",
        "RFC2001",
        "RFC2140",
        "RFC2414",
        "RFC2663",
        "RFC3124",
        "RFC3390",
        "RFC4340",
        "RFC4960",
        "RFC5925",
        "RFC6437",
        "RFC6691",
        "RFC6928",
        "RFC7231",
        "RFC7323",
        "RFC7424",
        "RFC7540",
        "RFC7661",
        "RFC8684",
        "orphan/RFC9040/h:fe83a479",
        "orphan/RFC9040/h:dc23b38f",
        "orphan/RFC9040/h:704df3f1",
        "orphan/RFC9040/h:9194caec",
        "orphan/RFC9040/h:cb8210fa"
      ],
      "bibliographic$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
        "updated": "2026-10-14T16:16:48.869Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "normative": [
        "RFC793",
        "RFC1122",
        "RFC1191",
        "RFC2119",
        "RFC4821",
        "RFC5681",
        "RFC6298",
        "RFC7413",
        "RFC8174",
        "RFC8201"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
        "updated": "2026-10-14T16:16:48.869Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc9040/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
      "updated": "2026-10-14T16:16:48.869Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
        "updated": "2026-10-14T16:16:48.869Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "errataExist": false,
      "errataExist$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/rfc9040/",
        "updated": "2026-10-14T16:16:48.869Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
        "updated": "2026-10-14T16:16:48.869Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
        "updated": "2026-10-14T16:16:48.869Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
        "updated": "2026-10-14T16:16:48.869Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
      "supersedes": [
        "RFC2140"
      ],
      "supersedes$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9040/",
        "updated": "2026-10-14T16:16:48.869Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      }
    }
  }
}