{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-21T23:42:39.456Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC8662",
  "document": {
    "abstract": "Segment Routing (SR) leverages the source-routing paradigm. A node steers a packet through an ordered list of instructions, called segments. Segment Routing can be applied to the Multiprotocol Label Switching (MPLS) data plane. Entropy labels (ELs) are used in MPLS to improve load-balancing. This document examines and describes how ELs are to be applied to Segment Routing MPLS.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "authors": [
      {
        "name": "Sriganesh Kini"
      },
      {
        "name": "Kireeti Kompella"
      },
      {
        "name": "Siva Sivabalan"
      },
      {
        "name": "Stephane Litkowski"
      },
      {
        "name": "Rob Shakir"
      },
      {
        "name": "Jeff Tantsura"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "docId": "RFC8662",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "docLabel": "IETF RFC 8662",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "docNumber": "8662",
    "docNumber$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/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "docTitle": "Entropy Label for Source Packet Routing in Networking (SPRING) Tunnels",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "docType": "Standard",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "doi": "10.17487/RFC8662",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "href": "https://doi.org/10.17487/RFC8662",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "keywords": [
      "Flow-aware Load Balancing",
      "ECMP"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "Flow-aware Load Balancing",
        "ECMP (equal-cost Multipath)"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T23:42:39.456Z",
      "version": "extractDocs.js@commit:cc353c041d14"
    },
    "pages": "22",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "publicationDate": "2019-12-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "references": {
      "bibliographic": [
        "IETF.draft-ietf-isis-mpls-elc-10",
        "IETF.draft-ietf-ospf-mpls-elc-12",
        "RFC8668",
        "RFC7855",
        "RFC8476",
        "RFC8491",
        "IETF.draft-ietf-idr-bgp-ls-segment-routing-msd-09"
      ],
      "bibliographic$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
        "updated": "2026-10-21T16:58:10.369Z",
        "version": "extractDocs.js@commit:2c1e5418e9d0"
      },
      "normative": [
        "RFC6790",
        "RFC2119",
        "RFC8174",
        "RFC8402",
        "RFC8660"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
        "updated": "2026-10-21T16:58:10.369Z",
        "version": "extractDocs.js@commit:2c1e5418e9d0"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc8662/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
      "updated": "2026-10-21T16:58:10.369Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
        "updated": "2026-10-21T16:58:10.369Z",
        "version": "extractDocs.js@commit:2c1e5418e9d0"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
        "updated": "2026-10-21T16:58:10.369Z",
        "version": "extractDocs.js@commit:2c1e5418e9d0"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
        "updated": "2026-10-21T16:58:10.369Z",
        "version": "extractDocs.js@commit:2c1e5418e9d0"
      },
      "statusNote": "Proposed Standard",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
        "updated": "2026-10-21T16:58:10.369Z",
        "version": "extractDocs.js@commit:2c1e5418e9d0"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8662/",
        "updated": "2026-10-21T16:58:10.369Z",
        "version": "extractDocs.js@commit:2c1e5418e9d0"
      }
    }
  }
}