Found it!
http://www.dslreports.com/speedtest/513499
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On 19/05/2015 23:37, Dave Taht wrote:
0) dslreports has a hires bufferbloat option now in their settings. It
reveals much detail that I like very much. It may not work well on
some browsers. Give it a shot, please.
Tried it - fun! Here are some of the results of that fun, I've no idea if this
I wanted to be able to have separated charts for up and down on
different scales, so I took apart what exists today in gimp and got
this:
http://snapon.lab.bufferbloat.net/~d/dslreportsmockup.png
I guess it is partially because I am getting a C on the download at
this speed, and no A+ on the
Although I liked that this document mentioned latency 10 times, not
measuring latency *with load* is like measuring the safety of a car only
when it is parked.
-- Forwarded message --
From: David Farber far...@gmail.com
Date: Wed, May 20, 2015 at 6:55 AM
Subject: [IP] Measuring
Providing separate grades for upload and download does not make sense to
me, as interference with acks in the other direction badly hurts that
traffic. Uploads and downloads are *not* independent variables.
KISS: one grade
- Jim
On Thu, May 21, 2015 at 9:45 AM, Rich Brown
That is interesting. I'm trying to think how the latency charts could be
misconstrued, since a Y-axis on the right isn't the norm - I don't think it's
hard to understand, but just different.
The display as-is clearly shows that the download is badly bloated, but the
upload is fine. That's the
On 19 May, 2015, at 22:17, Dave Taht dave.t...@gmail.com wrote:
So I finished writing up my thoughts on bobbie,
http://www.bufferbloat.net/projects/codel/wiki/Bobbie
which might work better than anything on the table in the face of huge
bursts like these, when the rate differential is so
Ahah! I wasn't clear. I do want One Grade to Rule Them All...
But I was only talking about different Y-axis values on the latency charts, so
that a bad latency in one direction doesn't hide the details of the transfer in
the other.
Rich
On May 21, 2015, at 10:13 AM, Jim Gettys
On 5/21/15 9:21 AM, Jonathan Morton wrote:
On 19 May, 2015, at 22:17, Dave Taht dave.t...@gmail.com wrote:
So I finished writing up my thoughts on bobbie,
http://www.bufferbloat.net/projects/codel/wiki/Bobbie
which might work better than anything on the table in the face of
huge bursts
It sounds like you are defining congestion as packets experiencing 5ms of
delay over a period of 5ms.
When you evaluate this, what metrics do you use to evaluate the effect on
the applications using this buffer?
Kathie
On 5/21/15 8:26 AM, Jonathan Morton wrote:
When Codel is applied
On Thu, May 21, 2015 at 10:24 AM, Rich Brown richb.hano...@gmail.com
wrote:
Ahah! I wasn't clear. I do want One Grade to Rule Them All...
But I was only talking about different Y-axis values on the latency
charts, so that a bad latency in one direction doesn't hide the details of
the
No - at 90% shaping on ingress, 5/5ms will trigger when the visible queue
has built up to 5ms over a continuous 50ms. At 95%, it'll trigger at 100ms.
Remember, Codel can't see what's in the dumb FIFO on the upstream end of
the link. By the time it triggers, there's potentially a lot of queue
On 22 May, 2015, at 03:17, jb jus...@dslr.net wrote:
Or I can just have two Y-Axis with auto-scaling on both.
You could also try a square-root scale (as opposed to linear or logarithmic).
This should help with comparing data with different orders of magnitude,
without flattening things as
But will it trigger at all? If the inbound rate is say 50Mbps, and the
link to the in-home devices are over 100Mbps ethernet, will codel _ever_
see a 5ms buffer on inbound?
Or is the shaping buffering incoming packets, and creating a bundle that it
can measure? (I don't know the internals of
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