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From: David Lang <david@lang.hm>
To: jb <justin@dslr.net>
Cc: bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] the dslreports png
Date: Tue, 28 Apr 2015 13:24:02 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.02.1504281320350.28505@nftneq.ynat.uz> (raw)
In-Reply-To: <CAH3Ss94V1eA4io4H1aYb0RUmOmzHwuwg9aT_TeBg+dAyNuF5Gw@mail.gmail.com>

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On Wed, 29 Apr 2015, jb wrote:

> I agree! but I don't want to rush. What latency should substitute? average?
> median? latency during upload? download? both? should it be the excess over
> idle ping, expressed as a multiplier? an absolute value?

an absolute value of excess over idle (see the other discussion about jitter)

median +- range would be ideal as that could cover both upload and download

> Most people as in 98% of people who use this test do so without any
> reference to instructions the forums or anything else and all of them
> "expect" to see latency
> pings that are similar to speedtest.net measure of how close the speed test
> server is.

In this case, we need something like:

latency
base + value[+-] loaded

David Lang

> And I haven't even sorted out the latency bugs. I just now asked the nginx
> development list why IE11 has problems doing http pings because it does
> a weird two-step of high-normal-high-normal, but when talking to nginx only!
> it behaves ok when talking to google.com.
>
> There is a jsfiddle you can play with to see the problem (I hope!)
>   http://jsfiddle.net/qe44nbwh/
> change nginx.org to google.com, using IE11. (other browsers work fine)
>
> On Wed, Apr 29, 2015 at 12:23 AM, Dave Taht <dave.taht@gmail.com> wrote:
>
>> http://dfkrkqaqb1zsx.cloudfront.net/speedtest/cdn/377727.png
>>
>> is showing the base latency without load. It would be more effective
>> if it showed the
>> latency with load.
>>
>> --
>> Dave Täht
>> Open Networking needs **Open Source Hardware**
>>
>> https://plus.google.com/u/0/+EricRaymond/posts/JqxCe2pFr67
>>
>

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      parent reply	other threads:[~2015-04-28 20:24 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-28 14:23 Dave Taht
2015-04-28 15:22 ` jb
2015-04-28 20:21   ` Toke Høiland-Jørgensen
2015-04-28 20:24   ` David Lang [this message]

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