[Bloat] dslreports mockup

[Jim Gettys]

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 <richb.hanover at gmail.com> wrote:

> 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 important message for most people at home.
> But as a researcher, you want to understand the details of the upload. So
> having different scales would help you see better into the problem.
>
> * If the download and upload values are substantially similar, the left
> and right Y-axis scales should be the same, so there wouldn't be confusion
>
> * If the values are substantially different (as in this screen shot), the
> pink and yellow backgrounds (on the left) and the lack of them on the right
> would provide a solid cue that there is something different going on
> between the two charts.
>
> * On the other hand, the report already shows different Y-axis values for
> the down/upload speeds, so the latency charts could mimic the speeds...
>
> Other thoughts?
>
> Rich
>
> On May 20, 2015, at 12:46 PM, Dave Taht <dave.taht at gmail.com> wrote:
>
> > 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 upload, and I would at least like to get
> > a gold star from teacher for effort. :/
> >
> > I dunno how to fix the download short of getting rid of several
> > seconds of inherent buffering in their CMTS. There must be a simple
> > way to do that??
> >
> > --
> > Dave Täht
> > Open Networking needs **Open Source Hardware**
> >
> > https://plus.google.com/u/0/+EricRaymond/posts/JqxCe2pFr67
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