Re: [Bloat] How about a topical LWN article on demonstrating the real-world goodness of CAKE?

[David Collier-Brown <davecb.42@gmail.com>]

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Just FYI, I did two tests today, in my Copious Spare Time

 1. a DSLReports speed test using an IQrouter, and
 2. a Skype "tap" test, with and without the de-bloated router

The router did exactly what I expected: it vaporized the bloat-induced 
delay provided by Rogers.

My previous bloat-induced lag was between 700 and 900 milliseconds under 
load, and an unimpressive 240 milliseconds when idle.  With a de-bloated 
router, lag was 40 milliseconds maximum, whether idle or loaded, and 
about 30 millisecond minimum, or a 3500 km round-trip, appropriate for 
the distances to the measurements points. By comparison, Rodger-Dogers 
was giving me lag times more appropriate for a test to Ankara, Turkey.

The tap test was interesting, but less helpful. I connected to 
1-909-390-0003, which is an instant-echo server, used to test voice 
telephones. If you connect to it and say something, it will echo it back 
to you. If you tap on your microphone, it's fairly easy to get an idea 
of how much delay there is.

Alas, with and without bufferbloat mitigation, it took about a second 
echo back the tap, so it's not the kind of instantly-obvious success 
test I'm searching for, to demonstrate the goodness of CAKE to my 
grandmother (;-))

--dave

-- 
David Collier-Brown,         | Always do right. This will gratify
System Programmer and Author | some people and astonish the rest
davecb@spamcop.net            |                      -- Mark Twain


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