[Bloat] 22 seconds til bloat on gfiber?

[Klatsky, Carl]

Thanks Justin.  I had been setting the option in the preferences, so not sure why it was not working before.  I cleared my browser cache and did the steps again, and now I am seeing the ‘hi-res’ results for bufferbloat.

http://www.dslreports.com/speedtest/5448121

Regards,
Carl Klatsky

From: justinbeech at gmail.com [mailto:justinbeech at gmail.com] On Behalf Of jb
Sent: Tuesday, October 25, 2016 5:20 PM
To: Klatsky, Carl <Carl_Klatsky at cable.comcast.com>
Cc: Benjamin Cronce <bcronce at gmail.com>; bloat <bloat at lists.bufferbloat.net>
Subject: Re: [Bloat] 22 seconds til bloat on gfiber?

Carl, that run you linked to didn't have bloat high frequency option set.

To set it, go to preferences, check the box in the advanced section, save, go BACK to preferences to make sure it is set. Then run a test.

If it is set the bloat graph will not be one probe per second anymore.
I did post a screenshot but the bloat mailing list doesn't like "large" 40kb
attachments lol.

To answer the other question on duration - 30 seconds is the system imposed limit, you can set it to 30 if you have the patience.

thanks
-Justin

On Wed, Oct 26, 2016 at 12:11 AM, Klatsky, Carl <Carl_Klatsky at comcast.com<mailto:Carl_Klatsky at comcast.com>> wrote:
Perhaps I am misunderstanding the different output between the ‘low-res’ and ‘high-res’ versions of the test.  The link below was from Corporate LAN with the ‘hi-res’ preference set & saved.  To me the output looks like prior test run output.  Maybe I have been seeing ‘hi-res’ output all along and don’t have a comparison to ‘low-res’ output?

http://www.dslreports.com/speedtest/5440827

Regards,
Carl Klatsky

From: Bloat [mailto:bloat-bounces at lists.bufferbloat.net<mailto:bloat-bounces at lists.bufferbloat.net>] On Behalf Of jb
Sent: Monday, October 24, 2016 8:10 PM
To: Benjamin Cronce <bcronce at gmail.com<mailto:bcronce at gmail.com>>
Cc: bloat <bloat at lists.bufferbloat.net<mailto:bloat at lists.bufferbloat.net>>
Subject: Re: [Bloat] 22 seconds til bloat on gfiber?

You should not need to create new buttons, I set bloat high frequency as an anonymous user in preferences, saved the prefs, ran the test - but as http - and it worked. However bloat high frequency was auto-disabled for https because I was unsure it was valid to do high frequency pinging over SSL.

Here is a result of turning it on:
    https://www.dslreports.com/speedtest/5435977
you can see in the bloat graph, the difference in ping resolution.

However the test duration is not changed, if you want to run for longer
you should increase the duration parameters.

I've disabled the disabling of bloat high frequency over https so give
it another go. first, go to preferences and verify the checkbox is checked.
then run it. Send me a link to the results if you don't see any difference
still.

thanks
-Justin


On Tue, Oct 25, 2016 at 9:10 AM, Benjamin Cronce <bcronce at gmail.com<mailto:bcronce at gmail.com>> wrote:
WDM-PON, giving each customer their own lambda of bandwidth. Effectively a 1:1 split.

On Mon, Oct 24, 2016 at 11:57 AM, Jonas Mårtensson <martensson.jonas at gmail.com<mailto:martensson.jonas at gmail.com>> wrote:
On Sun, Oct 23, 2016 at 7:50 AM, Mikael Abrahamsson <swmike at swm.pp.se<mailto:swmike at swm.pp.se>> wrote:
On Sat, 22 Oct 2016, Dave Taht wrote:
http://www.dslreports.com/speedtest/5408767

What's the setup here? Someone has told me that Google Fiber is PON? So there is an ONT at the customer prem which takes fiber and hands off some kind of 1GBASE-T? What more?

Just trying to figure out what device has ~13-15 megabyte buffer so it can induce 1200ms buffer lag at 1 gigabit/s.

Of course I don't know the setup in this particular case but from what I've heard, gfiber is mostly GPON with 1:16 splits. They have used different ONT versions but the "current" generation seems to be a custom ONT from an ODM:

https://support.google.com/fiber/answer/6035992?hl=en&ref_topic=2667450
https://wikidevi.com/wiki/Google_Fiber_Jack_v2_(GFLT110)

Also, this may be interesting:

https://gfiber-review.googlesource.com/#/c/1232/




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