The Benefits to Applications of using Explicit Congestion Notification (ECN): IETF Transport Area

Michael Welzl, Gorry Fairhurst

Research output: Other contribution


This document describes the potential benefits to applications when
they enable Explicit Congestion Notification (ECN). It outlines the
principal gains in terms of increased throughput, reduced delay and
other benefits when ECN is used over network paths that include
equipment that supports ECN-marking. The focus of this document is
on usage of ECN, not its implementation in hosts, routers and other
network devices.
Original languageEnglish
TypeRFC 8087
PublisherInternet Society
Number of pages19
VolumeRFC 8087
Publication statusPublished - Jan 2017

Publication series

NameInternet Society
ISSN (Electronic)2070-1721



  • ECN
  • AQM

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