{
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    "abstract": "This document defines the CDN-Loop request header field for HTTP. CDN-Loop addresses an operational need that occurs when an HTTP request is intentionally forwarded between Content Delivery Networks (CDNs), but is then accidentally or maliciously re-routed back into the original CDN causing a non-terminating loop. The new header field can be used to identify the error and terminate the loop.",
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    "authors": [
      {
        "name": "Stephen Ludin"
      },
      {
        "name": "Mark Nottingham"
      },
      {
        "name": "Nick Sullivan"
      }
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      "confidence": "high",
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      "note": "Constructed from provider and document identifier",
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      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
      "updated": "2026-10-21T16:58:04.324Z",
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    "docNumber": "8586",
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      "confidence": "high",
      "note": "From the RFC index entry (rfc-index.xml <doc-id>)",
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      "updated": "2026-10-21T16:58:04.324Z",
      "version": "extractDocs.js@commit:2c1e5418e9d0"
    },
    "docTitle": "Loop Detection in Content Delivery Networks (CDNs)",
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      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
      "updated": "2026-10-21T16:58:04.324Z",
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      "confidence": "high",
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      "originalValue": null,
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    "doi": "10.17487/RFC8586",
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      "confidence": "high",
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      "source": "resolved",
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    "href": "https://doi.org/10.17487/RFC8586",
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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/rfc8586/",
      "updated": "2026-10-21T16:58:04.324Z",
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      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
      "updated": "2026-10-21T16:58:04.324Z",
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      "confidence": "high",
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      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
      "updated": "2026-10-21T16:58:04.324Z",
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    },
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      "confidence": "high",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
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      "bibliographic$meta": {
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        "flag": "MIXED_REF_LAYOUT_RISK anchored=7 proseBlocks=11 skippedAnchorBlocks=8",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
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        "version": "extractDocs.js@commit:2c1e5418e9d0"
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        "RFC7231",
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      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
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        "updated": "2026-10-21T16:58:04.324Z",
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      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
      "updated": "2026-10-21T16:58:04.324Z",
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
        "updated": "2026-10-21T16:58:04.324Z",
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        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
        "updated": "2026-10-21T16:58:04.324Z",
        "version": "extractDocs.js@commit:2c1e5418e9d0"
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      "errataUrl": [
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        "https://www.rfc-editor.org/errata_search.php?rfc=8586",
        "https://www.rfc-editor.org/rfc/inline-errata/rfc8586.html"
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      "errataUrl$meta": {
        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
        "updated": "2026-10-21T16:58:04.324Z",
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      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
        "updated": "2026-10-21T16:58:04.324Z",
        "version": "extractDocs.js@commit:2c1e5418e9d0"
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        "note": "Mapped from Datatracker doc.json std_level",
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        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
        "updated": "2026-10-21T16:58:04.324Z",
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8586/",
        "updated": "2026-10-21T16:58:04.324Z",
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