[kwlug-disc] Cable internet providers

[Khalid Baheyeldin]

 I understand that. If you look at specs for modems they list the maximum
up/down theoretical speed using N bonded channels.

But my question is if you have two modems at home, on the same cable, one
from each provider, then how would one modem know not to use the channels
that the other modem uses?

For example: Does each modem pick certain unique channels at link
negotiation time, that are unused by anyone else on the segment?


On Wed, Jun 4, 2014 at 10:33 PM, Andrew Kohlsmith (mailing lists account) <
aklists at mixdown.ca> wrote:

> On Jun 4, 2014, at 10:29 PM, Khalid Baheyeldin <kb at 2bits.com> wrote:
> > You can order a second cable internet service over the same cable,
> > How can that work if two modems use the same frequencies?
>
> That’s how cable works. It’s a shared medium. You get hundreds of channels
> over the same copper; cable internet is really no different. Modern modems
> can bond up to I think 4 internet “channels” both in the downstream and
> upstream direction.
>
> It’s entirely possible to have a hundred modems on a cable TV segment. Two
> or three at your house is the only unusual part of it. :-)
>
> -A.
>
>
>
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-- 
Khalid M. Baheyeldin
2bits.com, Inc.
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