{
  "draft": "draft-ietf-tcpm-rto-consider-17",
  "doc_id": "RFC8961",
  "title": "Requirements for Time-Based Loss Detection",
  "authors": [
    "M. Allman"
  ],
  "format": [
    "XML",
    "TEXT",
    "HTML",
    "PDF"
  ],
  "page_count": "12",
  "pub_status": "BEST CURRENT PRACTICE",
  "status": "BEST CURRENT PRACTICE",
  "source": "TCP Maintenance and Minor Extensions",
  "abstract": "Many protocols must detect packet loss for various reasons (e.g., to ensure reliability using retransmissions or to understand the level of congestion along a network path).  While many mechanisms have been designed to detect loss, ultimately, protocols can only count on the passage of time without delivery confirmation to declare a packet \"lost\".  Each implementation of a time-based loss detection mechanism represents a balance between correctness and timeliness; therefore, no implementation suits all situations.  This document provides high-level requirements for time-based loss detectors appropriate for general use in unicast communication across the Internet.  Within the requirements, implementations have latitude to define particulars that best address each situation.",
  "pub_date": "November 2020",
  "keywords": [
    "retransmission timeout",
    "packet loss",
    "loss detection",
    "requirements"
  ],
  "obsoletes": [],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [],
  "see_also": [],
  "doi": "10.17487/RFC8961",
  "errata_url": null
}