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Cc: cake@lists.bufferbloat.net
Subject: Re: [Cake] openwrt build with latest cake and other qdiscs
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HI Alan,

I believe we got side tracked while discussing cake=92s atm adaptation =
layer, but with a bit of luck you could use tc=92s stab option to add =
the overhead and leave the atm encapsulation to cake (which does a =
better job than stab). If you could try and report back that would be =
helpful. I am a bit in a hurry, but will have more time next week to =
help out if need be=85


Best Regards
	Sebastian

On May 10, 2015, at 19:29 , Alan Jenkins =
<alan.christopher.jenkins@gmail.com> wrote:

> Hi again
>=20
> I tested Dave's build of cake on wndr3800.  (Didn't try specifying =
cake2/cake3; I'm guessing tc cake means cake3 on there).  "atm" =
adjustment worked fine on my adsl.  I can't distinguish it from =
sqm-scripts with the same configuration.
>=20
> SQM seems to win from having "overhead 40", which I can't configure in =
cake.
>=20
>=20
> up / kbit/s
> down / kbit/s
> overhead / bytes
> Median RRUL / ms
> SQM
> 16000
> 950
> 0
> 74
> Cake
> 17175
> 995
> 0
> 76
>=20
>=20
>=20
>=20
>=20
> Cake
> 16000
> 950
> 0
> 74
> SQM
> 17175
> 995
> 40
> 70
>=20
>=20
>=20
>=20
>=20
> DSL sync rate
> 17619
> 1020
>=20
> 59
>=20
> IMO it wouldn't hurt for 'tc atm', 'tc adsl', and everything else to =
default to 'overhead 44'.  (The highest overhead Seb reported; the =
original worst case overhead[1] plus a vlan header for IPTV).
>=20
> Alan
>=20
> [1] http://ace-host.stuart.id.au/russell/files/tc/tc-atm/#usage
> _______________________________________________
> Cake mailing list
> Cake@lists.bufferbloat.net
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