{
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  "docId": "RFC8271",
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    "abstract": "This document updates the Resource Reservation Protocol - Traffic Engineering (RSVP-TE) Fast Reroute (FRR) procedures defined in RFC 4090 to support Packet Switch Capable (PSC) Generalized Multiprotocol Label Switching (GMPLS) Label Switched Paths (LSPs). These updates allow the coordination of a bidirectional bypass tunnel assignment protecting a common facility in both forward and reverse directions of a co-routed bidirectional LSP. In addition, these updates enable the redirection of bidirectional traffic onto bypass tunnels that ensure the co-routing of data paths in the forward and reverse directions after FRR and avoid RSVP soft-state timeout in the control plane.",
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    "authors": [
      {
        "name": "Mike Taillon"
      },
      {
        "name": "Tarek Saad"
      },
      {
        "name": "Rakesh Gandhi"
      },
      {
        "name": "Zafar Ali"
      },
      {
        "name": "Manav Bhatia"
      }
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      "confidence": "high",
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      "updated": "2026-10-14T16:15:35.018Z",
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      "originalValue": null,
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      "updated": "2026-10-14T16:15:35.018Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
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    "docTitle": "Updates to the Resource Reservation Protocol for Fast Reroute of Traffic Engineering GMPLS Label Switched Paths (LSPs)",
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      "confidence": "high",
      "note": "Parsed from RFC index XML title",
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      "source": "parsed",
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      "updated": "2026-10-14T16:15:35.018Z",
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    },
    "doi": "10.17487/RFC8271",
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      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
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      "updated": "2026-10-14T16:15:35.018Z",
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      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
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      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "Co-routed LSPs",
        "Bypass Assignment Coordinate",
        "Restore Co-routing"
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      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8271/",
      "updated": "2026-10-14T17:04:38.572Z",
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      "confidence": "high",
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      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8271/",
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      "version": "extractDocs.js@commit:1ff63569c1a0"
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      "confidence": "high",
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      "source": "parsed",
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      "updated": "2026-10-14T16:15:35.018Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
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      "source": "parsed",
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        "RFC4990",
        "RFC5920",
        "RFC6378",
        "RFC7551"
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        "note": "Parsed from RFC HTML references/informative sections",
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        "sourceUrl": "https://www.rfc-editor.org/info/rfc8271/",
        "updated": "2026-10-14T16:15:35.018Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
      },
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        "RFC2119",
        "RFC2205",
        "RFC3209",
        "RFC3473",
        "RFC4090",
        "RFC4561",
        "RFC8174"
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      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8271/",
        "updated": "2026-10-14T16:15:35.018Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
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    "resolvedHref": "https://www.rfc-editor.org/info/rfc8271/",
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      "confidence": "high",
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      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8271/",
      "updated": "2026-10-14T16:15:35.018Z",
      "version": "extractDocs.js@commit:1ff63569c1a0"
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8271/",
        "updated": "2026-10-14T16:15:35.018Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
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        "confidence": "high",
        "note": "Parsed from RFC index XML",
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        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8271/",
        "updated": "2026-10-14T16:15:35.018Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
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        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
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        "updated": "2026-10-14T16:15:35.018Z",
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      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8271/",
        "updated": "2026-10-14T16:15:35.018Z",
        "version": "extractDocs.js@commit:1ff63569c1a0"
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      "statusNote": "Proposed Standard",
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        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
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        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8271/",
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        "version": "extractDocs.js@commit:1ff63569c1a0"
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        "confidence": "high",
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        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8271/",
        "updated": "2026-10-14T16:15:35.018Z",
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