{
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    "abstract": "This document describes a procedure that can be used to renumber a network from one prefix to another. It uses IPv6's intrinsic ability to assign multiple addresses to a network interface to provide continuity of network service through a \"make-before-break\" transition, as well as addresses naming and configuration management issues. It also uses other IPv6 features to minimize the effort and time required to complete the transition from the old prefix to the new prefix. This memo provides information for the Internet community.",
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    "authors": [
      {
        "name": "Fred Baker"
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      {
        "name": "Eliot Lear"
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      {
        "name": "Ralph Droms"
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      "confidence": "high",
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      "updated": "2026-10-13T22:23:09.428Z",
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      "confidence": "high",
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      "sourceUrl": "https://www.rfc-editor.org/info/rfc4192/",
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    "docTitle": "Procedures for Renumbering an IPv6 Network without a Flag Day",
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      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
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      "confidence": "high",
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    "doi": "10.17487/RFC4192",
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      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
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      "updated": "2026-10-13T22:23:09.428Z",
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      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
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      "IP",
      "Make-Before-Break"
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      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
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        "Network Interface",
        "Make-before-break",
        "Connecting Routers"
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      "source": "parsed",
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      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4192/",
      "updated": "2026-10-13T22:23:09.428Z",
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    "publicationDate": "2005-09-01",
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      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4192/",
      "updated": "2026-10-13T22:23:09.428Z",
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      "confidence": "high",
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      "source": "parsed",
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      "bibliographic": [
        "RFC1305",
        "RFC1995",
        "RFC1996",
        "RFC2136",
        "RFC2827",
        "RFC2845",
        "RFC2931",
        "RFC3007",
        "RFC3177",
        "RFC3633",
        "RFC3871",
        "RFC4033",
        "RFC4034",
        "RFC4035",
        "orphan/RFC4192/h:777d2da5",
        "orphan/RFC4192/h:08612e87",
        "orphan/RFC4192/h:23c1e94a"
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        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=25 proseBlocks=30 skippedAnchorBlocks=28",
        "note": "Parsed from RFC HTML references/informative sections",
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        "version": "extractDocs.js@commit:fd871efde64d"
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        "RFC1034",
        "RFC1035",
        "RFC2072",
        "RFC2460",
        "RFC2461",
        "RFC2462",
        "RFC3315",
        "RFC3704"
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      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
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        "updated": "2026-10-13T22:23:09.428Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
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      "source": "resolved",
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      "updated": "2026-10-13T22:23:09.428Z",
      "version": "extractDocs.js@commit:fd871efde64d"
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4192/",
        "updated": "2026-10-13T22:23:09.428Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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      "amends": [
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        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4192/",
        "updated": "2026-10-13T22:23:09.428Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
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        "source": "parsed",
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        "updated": "2026-10-13T22:23:09.428Z",
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      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4192/",
        "updated": "2026-10-13T22:23:09.428Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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      "statusNote": "Informational",
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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/rfc4192/",
        "updated": "2026-10-13T22:23:09.428Z",
        "version": "extractDocs.js@commit:fd871efde64d"
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        "confidence": "high",
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        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4192/",
        "updated": "2026-10-13T22:23:09.428Z",
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