On Sun, Oct 23, 2016 at 7:50 AM, Mikael Abrahamsson <swmike@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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