[Cerowrt-devel] Routing limit question

Ernesto Elias ernestogelias at gmail.com
Sun Oct 19 15:33:22 EDT 2014


I'm not using the actiontec at all. I'm using the wndr3800
On Oct 19, 2014 3:22 PM, "Dave Taht" <dave.taht at gmail.com> wrote:

> It looks to me as if the actiontec has pretty good qos all by itself.
> On Oct 19, 2014 11:56 AM, "Sebastian Moeller" <moeller0 at gmx.de> wrote:
>
>> HI Dave,
>>
>>
>> On Oct 19, 2014, at 20:24 , Dave Taht <dave.taht at gmail.com> wrote:
>>
>> > On at least one verizon device I've tried it appeared that they had
>> > SFQ or something similar on egress from the modem.
>> >
>> >
>> http://www.bufferbloat.net/projects/codel/wiki/RRUL_Rogues_Gallery#Verizon-FIOS-Testing-at-25Mbit-up-and-25Mbit-down
>> >
>> > So you only needed to shape the download. which is good as we start
>> > peaking out at 50Mbit download total. But only measurements can tell.
>>
>>         So on Hnymans community openwrt build a few fortunate ones on
>> excellent lines seem to get decent results even at 110-120 Mbps combined:
>> https://forum.openwrt.org/viewtopic.php?pid=250989#p250989
>> and:
>> https://forum.openwrt.org/viewtopic.php?pid=251013#p251013
>> I have no idea why and both lines were reasonably well-behaved even
>> without any AQM/QOS...
>>
>> Also I wonder whether when we increase the quantum for higher rates to
>> give HTB some breathing room, whether we also should increase burst and
>> cburst? My hunch is that quantum affects the switching between the leaves,
>> while busts and cburst should allow to dump more data to lower layers
>> inside each leaf qdisc. And since we are running behind, maybe taking a
>> bigger shovel can help some. (I assume this needs to be titrated not to
>> kill latency under load, but if we can only effective have HTB execute x
>> times per second we can easily afford to dump
>> line-rate/maxHTB_iteratin_rate bytes per opportunity, no?) My own internet
>> link is way to slow to test this...
>>
>> Best Regards
>>         Sebastian
>>
>> >
>> >
>> > On Sun, Oct 19, 2014 at 10:51 AM, Ernesto Elias <
>> ernestogelias at gmail.com> wrote:
>> >> Hello everyone!
>> >> I have a question about the wndr3800 routing limit. I went back to the
>> older
>> >> submissions to see if I can find what would be the answer for it. But
>> in my
>> >> search I haven't managed to find a definite answer. From what I seen
>> about
>> >> setting the limit it can do with SQM is 50, 60, or 80 mbit. I'm just
>> >> wondering if anyone can shed some light for me here as I have verizon
>> fios
>> >> and my speeds are 50 dl/50 ul. Thank you guys very much!
>> >>
>> >> _______________________________________________
>> >> Cerowrt-devel mailing list
>> >> Cerowrt-devel at lists.bufferbloat.net
>> >> https://lists.bufferbloat.net/listinfo/cerowrt-devel
>> >>
>> >
>> >
>> >
>> > --
>> > Dave Täht
>> >
>> > thttp://www.bufferbloat.net/projects/bloat/wiki/Upcoming_Talks
>> > _______________________________________________
>> > Cerowrt-devel mailing list
>> > Cerowrt-devel at lists.bufferbloat.net
>> > https://lists.bufferbloat.net/listinfo/cerowrt-devel
>>
>>
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