[176731] in North American Network Operators' Group
Re: Comcast thinks it ok to install public wifi in your house
daemon@ATHENA.MIT.EDU (Javier J)
Wed Dec 10 23:48:03 2014
X-Original-To: nanog@nanog.org
In-Reply-To: <15f7bc5639461081857e674104e6defc@jonesy.com.au>
Date: Wed, 10 Dec 2014 23:47:55 -0500
From: Javier J <javier@advancedmachines.us>
To: Andrew Jones <aj@jonesy.com.au>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
The answer is, if someone is using your hotspot, it does use the same radio
and channel your ssid is on.
On Wed, Dec 10, 2014 at 11:18 PM, Andrew Jones <aj@jonesy.com.au> wrote:
> 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: =E2=80=8E12/=E2=80=8E10/=E2=80=8E2014 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 follo=
w
>>> 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 day=
s
>> wasn't the uplink side of DOCSIS also a limited-bandwidth, shared
>> resource?
>>
>
>
