[Cerowrt-devel] SQM Question #3: How shall we recommend people set their upload/download speeds?

Dave Taht dave.taht at gmail.com
Sun Dec 29 03:53:49 EST 2013

On Sat, Dec 28, 2013 at 8:33 PM, Rich Brown <richb.hanover at gmail.com> wrote:
> QUESTION #3: How shall we recommend people set their upload/download speeds?
> Although we have already spent a lot of time on the list batting around ways to think about this, it seems to me that there are only two choices for recommendations, especially given that most people looking at CeroWrt are in a “TL;DR” mind set:

What does TL;DR mean?

> 1) If you don’t have an accurate sense of your actual link speed (e.g., you haven’t done a link speed measurement), you should take your provider’s published specs, knock them down by 15%, and enter those values in the SQM Basic Settings tab. [Or should they take an additional 15% off that already reduced value?]

92% on the up, 85% on the down are starting points.

> 2) If you have done measurements of your link speed, you should enter values that are 95% of each direction’s measured speed.
> Is this the right recommendation?

A short rant on the inadaquacy of speedtest and other tests would be
nice. Netanalyzr is the closest thing to a good test these days but it
requires java and is inaccurate above 20mbit.

> NB: In the Details… section, we can recommend ways to measure current link speeds, encourage people to make the measurement during quiet times, link to the “Quick test for Bufferbloat” page, etc. for those who want to dig further.
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Dave Täht

Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.html

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