I'm curious as to why one would need low priority class if you were using
fq_codel? Are the LEDBAT flows indistinguishable? Is there no congestion
signalling (no drops, no ECN)? The main reason I ask is that end-to-end flows
should share capacity well enough without magical and rarely implemented things
like diffserv and intserv.
On Monday, May 18, 2015 8:30am, "Simon Barber" <si...@superduper.net> said:
I am likely out of date about Windows Update, but there's many other programs
that do background downloads or uploads that don't implement LEDBAT or similar
protection. The current AQM recommendation draft in the IETF will make things
worse, by not drawing attention to the fact that implementing AQM without
implementing a low priority traffic class (such as DSCP 8 - CS1) will prevent
solutions like LEDBAT from working, or there being any alternative. Would
appreciate support on the AQM list in the importance of this.
Simon
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On May 18, 2015 4:42:43 AM "Eggert, Lars" <l...@netapp.com> wrote:On 2015-5-18,
at 07:06, Simon Barber <[ si...@superduper.net ]( mailto:si...@superduper.net
)> wrote:
Windows update will kill your Skype call.
Really? AFAIK Windows Update has been using a LEDBAT-like scavenger-type
congestion control algorithm for years now.
Lars
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