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Computing TCP's Retransmission Timer

  • Vern Paxson
  • Mark Allman
  • H.K. Jerry Chu
  • Matt Sargent
IETF (2011)

Abstract

This document defines the standard algorithm that Transmission Control Protocol (TCP) senders are required to use to compute and manage their retransmission timer. It expands on the discussion in Section 4.2.3.1 of RFC1122 and upgrades the requirement of supporting the algorithm from a SHOULD to a MUST. This document obsoletes RFC 2988. This is an Internet Standards Track document.

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