[Bloat] DSLReports Speed Test has latency measurement built-in
Rick Jones
rick.jones2 at hp.com
Fri Apr 24 09:13:52 PDT 2015
On 04/23/2015 09:17 PM, Dave Taht wrote:
> OK, I have had a little more fun fooling with this.
>
> A huge problem all speedtest-like results have in general is that the
> test does not run long enough. About 20 seconds is needed for either
> up or down to reach maximum bloat, and many networks have been
> "optimized" to look good on the "normal" speedtests which are shorter
> than that. It appears this test only runs for about 15 seconds, and
> you can clearly see from this result
>
> http://www.dslreports.com/speedtest/353034
>
> that we have clogged up the link in one direction which has not
> cleared in time for the next test to start.
Perhaps then that phase of the test shouldn't be considered complete?
In a netperf TCP_STREAM or TCP_MAERTS test, the test isn't over until
there is an indication the last byte has arrived. As such, what one
might request to be a 30 second test can end-up with say a 34 second
elapsed time. That is I suppose along the lines of your proposal C.
> C) waiting for the bloat to clear would be a good idea before starting
> the next test.... and showing "waiting for the bloat to clear" as
> part of the result would be good also.
rick jones
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