Re: [aqm] Comments on draft-ietf-aqm-eval-guidelines-01?

2015-03-09 Thread LAUTENSCHLAEGER, Wolfram (Wolfram)
Hi,

Bi-directional traffic is mentioned in section 3.1 Topology and 4.5 Traffic 
Mix, but not further detailed.

I suggest to add at least one scenario in section 4.5, where both directions 
are congested at the same time, e.g. two or more counter propagating bulk TCP 
transfers. Only in this scenario the returning ACK packets undergo a reasonable 
queuing delay (and jitter) from the opposite direction queue. If I'm right, 
Dave Taht repeatedly mentioned that scenario as critical. And he is right, I 
tried it out.

Wolfram


Von: aqm [mailto:aqm-boun...@ietf.org] Im Auftrag von Naeem Khademi
Gesendet: Freitag, 6. März 2015 16:18
An: aqm@ietf.org
Betreff: [aqm] Comments on draft-ietf-aqm-eval-guidelines-01?

Hi all

Any comments on the newly submitted update as draft-ietf-aqm-eval-guidelines-01 
is welcomed. In the new version, we have tried to address the issues brought up 
on the ML as well as the feedback we received at the IETF-91 and have tried to 
incorporate them all. We have also clarified several issues in the text making 
it more straightforward and less ambiguous with regards to the guidelines and 
scenarios. We would like to have this document discussed on the ML preferably 
before the 9th March cut-off date as well as during the period prior to IETF-92.

Cheers,
Authors


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[aqm] I-D Action: draft-welzl-ecn-benefits-02.txt

2015-03-09 Thread internet-drafts

A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Active Queue Management and Packet Scheduling 
Working Group of the IETF.

Title   : The Benefits to Applications of using Explicit 
Congestion Notification (ECN)
Authors : Michael Welzl
  Godred Fairhurst
Filename: draft-welzl-ecn-benefits-02.txt
Pages   : 11
Date: 2015-03-09

Abstract:
   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.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-welzl-ecn-benefits/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-welzl-ecn-benefits-02

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-welzl-ecn-benefits-02


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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