[157141] in North American Network Operators' Group
Re: Typical additional latency for CGN?
daemon@ATHENA.MIT.EDU (Cameron Byrne)
Sun Oct 7 18:19:07 2012
In-Reply-To: <CAHVFxg==eKy2f2PPyPpDCoT3H4yWdxo4nyYW758_iYUo2wScMg@mail.gmail.com>
Date: Sun, 7 Oct 2012 15:18:56 -0700
From: Cameron Byrne <cb.list6@gmail.com>
To: Tom Limoncelli <tal@whatexit.org>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Oct 7, 2012 1:48 PM, "Tom Limoncelli" <tal@whatexit.org> wrote:
>
> Have there been studies on how much latency CGN adds to a typical
> internet user? I'd also be interested in anecdotes.
>
Anecdote. Sub-millasecond, with full load. (gigs and gigs) . CGN does not
meaningfully add latency. CGN is not enough of a factor to impact happy
eyeballs in a way that improves ipv6 use.
> I've seen theoretical predictions but by now we should have
> measurements from early-world deployments.
>
Most mobile providers have been doing what is commonly called cgn for 5 to
10 years. CGN is not a new concept or implementation for mobile.
CB
> Thanks,
> Tom
>
> --
> Speaking at MacTech Conference 2012. http://mactech.com/conference
> http://EverythingSysadmin.com -- my blog
> http://www.TomOnTime.com -- my videos
>
