Re: [Bloat] dslreports mockup

[Rich Brown <richb.hanover@gmail.com>]

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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 <jg@freedesktop.org> wrote:

> 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@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@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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