{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-13T18:19:19.189Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC2189",
  "document": {
    "abstract": "This document describes the Core Based Tree (CBT version 2) network layer multicast routing protocol. CBT builds a shared multicast distribution tree per group, and is suited to inter- and intra-domain multicast routing. This memo defines an Experimental Protocol for the Internet community.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "authors": [
      {
        "name": "Anthony J. Ballardie"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docId": "RFC2189",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docLabel": "IETF RFC 2189",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docNumber": "2189",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docTitle": "Core Based Trees (CBT version 2) Multicast Routing -- Protocol Specification --",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docType": "Specification",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "doi": "10.17487/RFC2189",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "href": "https://doi.org/10.17487/RFC2189",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "keywords": [
      "Inter-Domain-Protocol",
      "IDMR"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "pages": "23",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publicationDate": "1997-09-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "references": {
      "bibliographic": [
        "RFC2201",
        "IETF.draft-ietf-idmr-igmp",
        "RFC1700",
        "IETF.draft-ietf-idmr-cbt-dm",
        "RFC1949",
        "orphan/RFC2189/h:d87df9e3",
        "orphan/RFC2189/h:216033d6",
        "orphan/RFC2189/h:18749dad",
        "orphan/RFC2189/h:ca76da3f"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=10 proseBlocks=11 skippedAnchorBlocks=10",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
        "updated": "2026-10-13T18:19:19.189Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc2189/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
      "updated": "2026-10-13T18:19:19.188Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
        "updated": "2026-10-13T18:19:19.189Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "errataExist": false,
      "errataExist$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/rfc2189/",
        "updated": "2026-10-13T18:19:19.189Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
        "updated": "2026-10-13T18:19:19.189Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "statusNote": "Historic",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
        "updated": "2026-10-13T18:19:19.189Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc2189/",
        "updated": "2026-10-13T18:19:19.189Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      }
    }
  }
}