{
  "draft": null,
  "doc_id": "RFC661",
  "title": "Protocol information",
  "authors": [
    "J. Postel"
  ],
  "format": [
    "TEXT",
    "HTML",
    "PDF"
  ],
  "page_count": "21",
  "pub_status": "UNKNOWN",
  "status": "UNKNOWN",
  "source": "Legacy",
  "abstract": "An old version; see RFC 694.",
  "pub_date": "November 1974",
  "keywords": [],
  "obsoletes": [],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [
    "RFC694"
  ],
  "see_also": [],
  "doi": "10.17487/RFC661",
  "errata_url": null
}