[Cake] ack filter rrul result at 1000/100

[Sebastian Moeller]

> On Nov 16, 2017, at 14:55, Bret Towe <bret.towe at gmail.com> wrote:
> 
> I have a docsis setup atm that is 300/7

300/7 = 42.9/1

This is extreme, I do not envy you at all. I would venture a guess that your ISP would be a prime candidate for doing ACK filtering/thinning in its CPE. Is there an easy way to compare sent versus received ACKs over the internet?

Best Regards


> 
> 
> On Nov 15, 2017 8:28 PM, "Dave Taht" <dave.taht at gmail.com> wrote:
> This is a much saner test result[1], showing about a 20% improvement
> under the rrul_be test. I scaled back the topology to two instances of
> cake on the middlebox, shaping to 100mbits on one side and 10mbits on
> the other, and flipped filtering on or off. The win will improve more
> with upload/download ratios of ever worse than 10/1, and the rrul is
> not exactly a test of real traffic.
> 
> What other ratios are out there, particularly in the dsl world?
> 
> I can think of a few ways to get more acks to filter out, for example,
> not using the "sparse flow optimization" for acks.
> 
> [1] it also turned out my test target box, an odroid c2, couldn't push
> more than 500mbits bidir in the first place.
> 
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