{
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    "abstract": "This document describes a mechanism for aggregation and fragmentation of IP packets when they are being encapsulated in Encapsulating Security Payload (ESP). This new payload type can be used for various purposes, such as decreasing encapsulation overhead for small IP packets; however, the focus in this document is to enhance IP Traffic Flow Security (IP-TFS) by adding Traffic Flow Confidentiality (TFC) to encrypted IP-encapsulated traffic. TFC is provided by obscuring the size and frequency of IP traffic using a fixed-size, constant-send-rate IPsec tunnel. The solution allows for congestion control, as well as nonconstant send-rate usage.",
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      {
        "name": "Christian Hopps"
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      "confidence": "high",
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      "confidence": "high",
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      "originalValue": null,
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      "confidence": "high",
      "note": "From the RFC index entry (rfc-index.xml <doc-id>)",
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      "source": "parsed",
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      "updated": "2026-10-20T21:47:44.288Z",
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      "confidence": "high",
      "note": "Parsed from RFC index XML title",
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      "updated": "2026-10-20T21:47:44.288Z",
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      "confidence": "high",
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      "updated": "2026-10-20T21:47:44.288Z",
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    },
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      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
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      "updated": "2026-10-20T21:47:44.288Z",
      "version": "extractDocs.js@commit:92f3ced618ff"
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      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9347/",
      "updated": "2026-10-20T21:47:44.288Z",
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      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
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      "confidence": "high",
      "note": "Parsed from RFC index XML date",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9347/",
      "updated": "2026-10-20T21:47:44.288Z",
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      "source": "parsed",
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        "RFC791",
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        "RFC2474",
        "RFC2914",
        "RFC3168",
        "RFC4301",
        "RFC4342",
        "RFC4821",
        "RFC5348",
        "RFC6040",
        "RFC7120",
        "RFC7510",
        "RFC7893",
        "RFC8084",
        "RFC8126",
        "RFC8200",
        "RFC8201",
        "RFC8546",
        "RFC8899",
        "RFC9329",
        "RFC9348",
        "RFC9349"
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        "confidence": "high",
        "note": "Parsed from RFC HTML references/informative sections",
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        "sourceUrl": "https://www.rfc-editor.org/info/rfc9347/",
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        "confidence": "high",
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        "updated": "2026-10-20T21:47:44.288Z",
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      "note": "Final URL resolved via URL redirect verification",
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      "updated": "2026-10-20T21:47:44.288Z",
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9347/",
        "updated": "2026-10-20T21:47:44.288Z",
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        "confidence": "high",
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        "originalValue": null,
        "source": "parsed",
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        "updated": "2026-10-20T21:47:44.288Z",
        "version": "extractDocs.js@commit:92f3ced618ff"
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      "errataUrl": [
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        "https://www.rfc-editor.org/errata_search.php?rfc=9347",
        "https://www.rfc-editor.org/rfc/inline-errata/rfc9347.html"
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        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9347/",
        "updated": "2026-10-20T21:47:44.288Z",
        "version": "extractDocs.js@commit:92f3ced618ff"
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9347/",
        "updated": "2026-10-20T21:47:44.288Z",
        "version": "extractDocs.js@commit:92f3ced618ff"
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      "statusNote": "Proposed Standard",
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        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9347/",
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        "version": "extractDocs.js@commit:92f3ced618ff"
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        "confidence": "high",
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        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9347/",
        "updated": "2026-10-20T21:47:44.288Z",
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