QuickStart for DCCP

Godred Fairhurst, Arjuna Sathiaseelan

Research output: Other contribution


This document specifies the use of the Quick-Start mechanism by the Datagram Congestion Control Protocol (DCCP). DCCP is a transport protocol that allows the transmission of congestion-controlled, unreliable datagrams. DCCP is intended for applications such as streaming media, Internet telephony, and online games. In DCCP, an application has a choice of congestion control mechanisms, each specified by a Congestion Control Identifier (CCID). This document specifies general procedures applicable to all DCCP CCIDs and specific procedures for the use of Quick-Start with DCCP CCID 2, CCID 3, and CCID 4. Quick-Start enables a DCCP sender to cooperate with Quick-Start routers along the end-to-end path to determine an allowed sending rate at the start of a connection and, at times, in the middle of a DCCP connection (e.g., after an idle or application-limited period). The present specification is provided for use in controlled environments, and not as a mechanism that would be intended or appropriate for ubiquitous deployment in the global Internet.
Original languageEnglish
PublisherInternet Society
VolumeRFC 5634
Publication statusPublished - Aug 2009

Publication series

NameRFC Series
PublisherInternet Society
ISSN (Electronic)2070-1721


  • Transport Layer
  • QS
  • DCCP


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