Subject: Re: [tcpm] I-D Action: draft-ietf-tcpm-accurate-ecn-01.txt

From: Mirja Kühlewind <[email-masked]>
Date: Fri, 1 Jul 2016 14:19:55 +0200

Hi,

this is an update to keep the document alive with basically no changes. I'm 
more or less waiting for myself to completely finish the implementation and 
then adapt some stuff in the appendix accordingly. Sorry for the delay!

Mirja

On 30.06.2016 10:44, [email-masked] wrote:
>
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the TCP Maintenance and Minor Extensions of the IETF.
>
>          Title           : More Accurate ECN Feedback in TCP
>          Authors         : Bob Briscoe
>                            Mirja Kühlewind
>                            Richard Scheffenegger
> 	Filename        : draft-ietf-tcpm-accurate-ecn-01.txt
> 	Pages           : 37
> 	Date            : 2016-06-30
>
> Abstract:
>     Explicit Congestion Notification (ECN) is a mechanism where network
>     nodes can mark IP packets instead of dropping them to indicate
>     incipient congestion to the end-points.  Receivers with an ECN-
>     capable transport protocol feed back this information to the sender.
>     ECN is specified for TCP in such a way that only one feedback signal
>     can be transmitted per Round-Trip Time (RTT).  Recently, new TCP
>     mechanisms like Congestion Exposure (ConEx) or Data Center TCP
>     (DCTCP) need more accurate ECN feedback information whenever more
>     than one marking is received in one RTT.  This document specifies an
>     experimental scheme to provide more than one feedback signal per RTT
>     in the TCP header.  Given TCP header space is scarce, it overloads
>     the three existing ECN-related flags in the TCP header and provides
>     additional information in a new TCP option.
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-tcpm-accurate-ecn/
>
> There's also a htmlized version available at:
> https://tools.ietf.org/html/draft-ietf-tcpm-accurate-ecn-01
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-tcpm-accurate-ecn-01
>
>
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
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