Section 7.2 does not discuss testing of a very common scenario for
network edge devices - no congestion, and single flow. There are issues
with some AQMs reducing goodput in these scenarios, and there is a trade
off between the achievable latency and maximizing goodput here. The
recommendation should include testing of these common and potential
problem regimes, In particular long RTT and very low numbers of flows
are of concern.
The current definition of mild congestion results in enough flows to
not test the problem areas.
Simon
On 2015-06-29 05:03, [email protected] wrote:
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 : AQM Characterization Guidelines
Authors : Nicolas Kuhn
Preethi Natarajan
Naeem Khademi
David Ros
Filename : draft-ietf-aqm-eval-guidelines-05.txt
Pages : 35
Date : 2015-06-29
Abstract:
Unmanaged large buffers in today's networks have given rise to a
slew
of performance issues. These performance issues can be addressed
by
some form of Active Queue Management (AQM) mechanism, optionally
in
combination with a packet scheduling scheme such as fair queuing.
The IETF Active Queue Management and Packet Scheduling working
group
was formed to standardize AQM schemes that are robust, easily
implementable, and successfully deployable in today's networks.
This
document describes various criteria for performing precautionary
characterizations of AQM proposals. This document also helps in
ascertaining whether any given AQM proposal should be taken up for
standardization by the AQM WG.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-aqm-eval-guidelines/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-aqm-eval-guidelines-05
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-aqm-eval-guidelines-05
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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