[176729] in North American Network Operators' Group
RE: Comcast thinks it ok to install public wifi in your house
daemon@ATHENA.MIT.EDU (Andrew Jones)
Wed Dec 10 23:22:31 2014
X-Original-To: nanog@nanog.org
Date: Thu, 11 Dec 2014 15:18:27 +1100
From: Andrew Jones <aj@jonesy.com.au>
To: Phil Bedard <bedard.phil@gmail.com>
In-Reply-To: <548915b7.12138c0a.2cae.3bbf@mx.google.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
It reads to me like it's not a separate Wi-Fi radio on a different
channel, but just an additional SSID being broadcast:
http://wifi.comcast.com/faqs.html
ctrl+f "Does the new Home Hotspot impact my Internet speeds or data
usage?"
On 11.12.2014 14:55, Phil Bedard wrote:
> It won't overlap with the one you are using for yourself on the same
> device.
>
> DOCSIS has service flows with different priorities. I don't know if
> they are allocating specific channels for it or if it's just a
> different service flow, but either way it is a lower priority and
> should not cause contention with regular user traffic.
>
> Really it is just the power they seem to be complaining about.
>
> Phil
>
> -----Original Message-----
> From: "Harald Koch" <chk@pobox.com>
> Sent: 12/10/2014 10:21 PM
> To: "Mr Bugs" <bugs@debmi.com>
> Cc: "NANOG list" <nanog@nanog.org>
> Subject: Re: Comcast thinks it ok to install public wifi in your
> house
>
> On 10 December 2014 at 21:50, Mr Bugs <bugs@debmi.com> wrote:
>
>> however they use a separate DOCSIS and 802.11 channel so if would
>> follow
>> that it would be a separate IP tied to comcast corporate and not the
>> subscriber as well as not taking up your bandwidth.
>
>
>
> IIRC there are only three non-overlapping channels on 802.11g and six
> on
> 802.11n; I can see more networks than that from my basement.
>
> I haven't been keeping up with the technology, but in the ancient of
> days
> wasn't the uplink side of DOCSIS also a limited-bandwidth, shared
> resource?
