[Bloat] [Cerowrt-devel] Fixing bufferbloat: How about an open letter to the web benchmarkers?

[dpreed at reed.com]

Among friends of mine, we can publicize this widely.  But those friends probably would like to see how the measurement would work.


On Thursday, September 11, 2014 8:13pm, "Rich Brown" <richb.hanover at gmail.com> said:



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> Dave,
> 
> I'll sign too. (And I like the 98th percentile measure for each direction to give
> a single number that represents what's happening. It could include ping loss rate,
> as well...)
> 
> But more importantly, an open letter would likely be more powerful than the
> results I got from sending a note to the purveyors of speed tests. I've appended
> the note I sent about six weeks ago. And here's a paraphrase of their responses.
> (None of them seem to have twigged to the value of measuring bloat.)
> 
> speedtest.net - We wanted to follow up and let you know that are developers were
> informed of your ideas.
> 
> speedof.me - We may add such features in future versions
> 
> testmy.net - I think you're really going to like my next version... you'll be
> provided a much deeper insight.
> 
> There's a flock of other vendors - I just googled "Internet speed test" and got a
> dozen or so more. Many are served by Ookla/Speedtest.net, but many seem to have
> independent implementations...
> 
> I'll pull together a list of people to send the open letter to (trade press, etc)
> 
> Rich
> 
> ----- Summary of note sent to these speed test vendors in early August 2014 -----
> Hi!
> 
> I would love to see real-time latency measurements, and a summary of min and max
> times in the final report. Your page currently displays a single "latency" value,
> but it appears that it's simply the measurement before you start the data
> transfers. It's really interesting to see that low value, but also the range/max
> of the latency.
> 
> Why is latency interesting? I'm a member of the CeroWrt project that is working to
> reduce latency in home routers (and everywhere else). Our research has led to the
> development and testing of the fq_codel algorithm that virtually eliminates
> bufferbloat (high latency during heavy traffic). You can read about the project
> at: http://www.bufferbloat.net/projects/cerowrt
> 
> I'm asking you to consider implementing the web-equivalent of our "Quick Test for
> Bufferbloat"http://www.bufferbloat.net/projects/cerowrt/wiki/Quick_Test_for_Bufferbloat
> By showing what happens to latency during transfers, people can become aware of
> the problem, and that there's a fix for it. (I'm using the CeroWrt firmware at my
> house. Ping times to Google only go up by ~20-30 msec even when I max out the DSL
> link in both directions.)
> 
> 
> 
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