Comcast thinks it ok to install public wifi in your house

Thu Dec 11 04:47:55 UTC 2014

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 at 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 at pobox.com>
>> Sent: ‎12/‎10/‎2014 10:21 PM
>> To: "Mr Bugs" <bugs at debmi.com>
>> Cc: "NANOG list" <nanog at 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 at 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?
>>
>
>