[tcpm] New rev ready for WGLC: draft-ietf-tcpm-generalized-ecn-15

Bob Briscoe <ietf@bobbriscoe.net> Sat, 02 December 2023 21:26 UTC

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To: tcpm@ietf.org, Michael Tuexen <tuexen@fh-muenster.de>
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From: Bob Briscoe <ietf@bobbriscoe.net>
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Subject: [tcpm] New rev ready for WGLC: draft-ietf-tcpm-generalized-ecn-15
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Michael (as doc shepherd and co-chair), and tcpm,

We've just posted a new rev of *ECN++*, which is now ready for WGLC.

These changes to ECN++ require no further changes to the *AccECN* draft, 
which stands as it was at draft-28 on 17 Nov.


        Details

Links to diffs are below, but here's a summary; just 3 changes:

 1. Alternatives to the additional DupACK check for the case when SACK
    blocks are being stripped.
 2. Removed the description of how the latest sctpecn draft handles
    control packets, as you (Michael) requested, given it is only interim.
 3. Fixed a few URLs.


NealC and RIchardS have suggested useful material, for which thanks.
The alternatives to the DupACK check were compromises to (imperfectly) 
address Markku's concern.
I had hoped he would confirm whether they are acceptable. But instead he 
has started digging a different hole (which I've just pointed out is a 
rabbit hole to nowhere - see the list).

So we've decided to post the ECN++ draft and request WGLC, which gives 
Markku more time to respond.



Bob

On 02/12/2023 20:29, internet-drafts@ietf.org wrote:
> Internet-Draft draft-ietf-tcpm-generalized-ecn-15.txt is now available. It is
> a work item of the TCP Maintenance and Minor Extensions (TCPM) WG of the IETF.
>
>     Title:   ECN++: Adding Explicit Congestion Notification (ECN) to TCP Control Packets
>     Authors: Marcelo Bagnulo
>              Bob Briscoe
>     Name:    draft-ietf-tcpm-generalized-ecn-15.txt
>     Pages:   51
>     Dates:   2023-12-02
>
> Abstract:
>
>     This document specifies an experimental modification to ECN when used
>     with TCP.  It allows the use of ECN in the IP header of the following
>     TCP packets: SYNs, SYN/ACKs, pure ACKs, Window probes, FINs, RSTs and
>     retransmissions.  This specification obsoletes RFC5562, which
>     described a different way to use ECN on SYN/ACKs alone.
>
> The IETF datatracker status page for this Internet-Draft is:
> https://datatracker.ietf.org/doc/draft-ietf-tcpm-generalized-ecn/
>
> There is also an HTML version available at:
> https://www.ietf.org/archive/id/draft-ietf-tcpm-generalized-ecn-15.html
>
> A diff from the previous version is available at:
> https://author-tools.ietf.org/iddiff?url2=draft-ietf-tcpm-generalized-ecn-15
>
> Internet-Drafts are also available by rsync at:
> rsync.ietf.org::internet-drafts
>
>
> _______________________________________________
> tcpm mailing list
> tcpm@ietf.org
> https://www.ietf.org/mailman/listinfo/tcpm

-- 
________________________________________________________________
Bob Briscoehttp://bobbriscoe.net/