Subject: Re: [aqm] Document Action: 'The FlowQueue-CoDel Packet Scheduler and Active Queue Management Algorithm' to Experimental RFC (draft-ietf-aqm-fq-codel-06.txt)

From: Megan Ferguson <[email-masked]>
Date: Thu, 28 Apr 2016 09:14:02 -0700

Mirja,

Thank you for sending these updates along.  We have noted these changes in the database and they will be 
reviewable once the document reaches AUTH48.  

Please let us know if we can be of further assistance.

RFC Editor/mf

On Apr 28, 2016, at 7:13 AM, Mirja Kühlewind <[email-masked]> wrote:

> Dear RFC Editor,
> 
> based on discussion in the last call of this doc, there are two editorial changes that need to be applied with the AUTH48 for this document and that were missed in the announcement. Please apply the following changes:
> 
> CURRENT:
> "It is a powerful tool for solving bufferbloat [BLOAT], and we believe it to be safe to turn on by default, as has already happened in a number of Linux distributions.“
> 
> NEW:
> "It is a powerful tool for solving bufferbloat [BLOAT], and has already been turned on by default in a number of Linux distributions.“
> 
> and
> 
> CURRENT:
> "We believe it to be a safe default and encourage people running Linux to turn it on: It is a massive improvement over the previous default FIFO queue.“
> 
> NEW:
> "In addition, a BSD implementation is available. All data resulting from these trials has shown FQ-CoDel to be a massive improvement over the previous default FIFO queue, and people are encouraged to turn it on."
> 
> Thanks,
> Mirja
> 
> 
> On 03.04.2016 16:05, The IESG wrote:
>> The IESG has approved the following document:
>> - 'The FlowQueue-CoDel Packet Scheduler and Active Queue Management
>>    Algorithm'
>>   (draft-ietf-aqm-fq-codel-06.txt) as Experimental RFC
>> 
>> This document is the product of the Active Queue Management and Packet
>> Scheduling Working Group.
>> 
>> The IESG contact persons are Spencer Dawkins and Martin Stiemerling.
>> 
>> A URL of this Internet Draft is:
>> https://datatracker.ietf.org/doc/draft-ietf-aqm-fq-codel/
>> 
>> 
>> 
>> 
>> 
>> Technical Summary
>> 
>>    This memo presents the FQ-CoDel hybrid packet scheduler/AQM
>>    algorithm, a powerful tool for fighting bufferbloat and reducing
>>    latency.
>> 
>>    FQ-CoDel mixes packets from multiple flows and reduces the impact of
>>    head of line blocking from bursty traffic.  It provides isolation for
>>    low-rate traffic such as DNS, web, and videoconferencing traffic.  It
>>    improves utilisation across the networking fabric, especially for
>>    bidirectional traffic, by keeping queue lengths short; and it can be
>>    implemented in a memory- and CPU-efficient fashion across a wide
>>    range of hardware.
>> 
>> Working Group Summary
>> 
>> An interesting aspect of this document is the combined use of CoDel with
>> FQ for improving flow-isolation properties. The working group had early
>> discussions about the differences between FQ and scheduling mechanisms
>> versus more pure AQM algorithms (like CoDel).  This resulted in draft-
>> ietf-aqm-fq-implementation, which describes the terminology and
>> construction of hybrid systems.  Any early disagreement in the WG about
>> this seems to have subsided after the subsequent discussions and work to
>> resolve terminology and scope.
>> 
>> Document Quality
>> 
>> Yes, there are existing implementations and deployments, including in
>> the Linux kernel.  There have been other implementation efforts in
>> addition to the editors, and questions have been shared on the AQM
>> mailing list, with clarifications posted in draft updates.  The Linux
>> implementation is from the editors of the document, and an independent
>> implementation in FreeBSD was done by Rasool As-Saadi at the Swinburne
>> University.
>> 
>> 
>> Personnel
>> 
>> Wes Eddy ([email-masked]) is the Document Shepherd.  Martin
>> Stiemerling is the responsible AD.
>> 
>> 
>> 
>> _______________________________________________
>> aqm mailing list
>> [email-masked]
>> https://www.ietf.org/mailman/listinfo/aqm
>> 
>