[176806] in North American Network Operators' Group

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Re: Comcast thinks it ok to install public wifi in your house

daemon@ATHENA.MIT.EDU (Livingood, Jason)
Thu Dec 11 17:22:19 2014

X-Original-To: Nanog@nanog.org
From: "Livingood, Jason" <Jason_Livingood@cable.comcast.com>
To: Jean-Francois Mezei <jfmezei_nanog@vaxination.ca>, "Nanog@nanog.org"
 <Nanog@nanog.org>
Date: Thu, 11 Dec 2014 22:08:51 +0000
In-Reply-To: <548A1083.90104@vaxination.ca>
Errors-To: nanog-bounces@nanog.org

On 12/11/14, 4:45 PM, "Jean-Francois Mezei" <jfmezei_nanog@vaxination.ca<ma=
ilto:jfmezei_nanog@vaxination.ca>> wrote:

Mr Livingood:

Out of curiosity, had Comcast decided to use an "opt-in" instead of "opt-ou=
t" method, did your marketing dept have any idea of percentage of customer =
base who would have opted in ?

No idea - I was just on the technical execution side of the project in the =
early phases. Behavioral economics would suggest that opt-in rates are almo=
st always lower than opt-out. http://ozankocak.com/2011/01/18/dan-ariely-an=
d-behavioral-economics-part=96i/ . I suspect many tech companies have adopt=
ed similar views on opting in or out.

Secondly, at a more technical level:

In a MDU with a whole bunch of Comcast subscribers, could one router be abl=
e to detect existence of strong Xfinity signals and not enable its own ? Th=
is would reduce crowding of Wi-Fi spectrum.

I take it such a feature would require special rogramming/firmware by modem=
/router manufacturer ?

This is definitely specialized software logic and on the frontier of work c=
alled radio resource management. I am sure most WiFi chipsets have simple a=
spects of this built in but some companies are working on new technology & =
tools in this area for unlicensed spectrum like WiFi.

Jason

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