[Bloat] DSLReports Speed Test has latency measurement built-in

[Rich Brown]

Hi folks,

A couple comments re: the DSLReports Speed Test.

1) It's just becoming daylight for Justin, so he hasn't had a chance to respond to all these notes. :-)

2) In a private note earlier this week, he mentioned that he uses "websocket pings" which he believes are pretty speedy/low latency.

3) He does have plans to incorporate stats from the server end's TCP stack (cwnd, packet loss, retransmissions, etc.) in a future version of the speed test. I imagine it would help him to know what you'd like to see...

Best,

Rich

On Apr 19, 2015, at 1:15 PM, Mikael Abrahamsson <swmike at swm.pp.se> wrote:

> On Sun, 19 Apr 2015, Toke Høiland-Jørgensen wrote:
> 
>> The upload latency figures are definitely iffy, but the download ones seem to match roughly what I've measured myself on this link.
> 
> Also, I don't trust parallel latency measures done by for instance ICMP ping. Yes, they indicate something, but what?
> 
> We need insight into the TCP stack. So how can an application like dslresports that runs in a browser, get meaningful performance metrics on its measurement TCP-sessions from the OS TCP stack? This is a multi-layer problem and I don't see any meaningful progress in this area...
> 
> -- 
> Mikael Abrahamsson    email: swmike at swm.pp.se_______________________________________________
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