[opendtv] Re: F.C.C. Is Deluged With Comments on Net Neutrality Rules
- From: Albert Manfredi <albert.e.manfredi@xxxxxxxxxx>
- To: "opendtv@xxxxxxxxxxxxx" <opendtv@xxxxxxxxxxxxx>
- Date: Mon, 21 Jul 2014 23:25:12 -0400
Craig Birkmaier wrote:
> This is just a bunch of hot air. All services require a modem
> in the home. Whether the service provider sells/rents and
> installs it, or you buy one and install it yourself, really
> is a side issue.
No, Craig. The point is that if you install FTTH, the company has to lay fiber
all the way to your house, and has to install a box at your house, from which
they connect to your twisted pair telephone line for telephone service, and to
a coax (used to be cat-5e) to which they will connect the modem. This means a
tech at each home, for each installation.
Pay attention, Craig.
If the company is a cableco, with coax already connected to homes, they do not
need to come to your house at all. They can mail you a modem, if your existing
modem isn't good enough, and that's it.
> NO we are not. What we are talking about is the cost to reply
> enough bandwidth in every neighborhood to replace dedicated
> wires for TV (i.e. cable), with an ISP service that can
> deliver 25 Mbps or more.
A cable company provides ISP service over the **same** coax as TV, if it wants
to. That's the way DOCSIS is designed.
For example, and I wish you would do these exercises on your own instead of
aggravating me, if a cable company decides to dedicate one 6 MHz downstream
channel to every home, they can easily provide 38 Mb/s to those homes, with old
versions of DOCSIS, without having to install any more cable in that home or to
that home. They can do this on their own schedule entirely. And then perhaps,
at most, mail you a replacement modem, if the modem you have doesn't support
the 6 MHz DOCSIS channel they need to use.
The problem is finding enough 6 MHz bands to do this, and still support the old
TV broadcast streams. So they go into the neighborhoods with their Internet
broadband, far in enough to reach homes with that 38 Mb/s without having to
subtract all of the TV channels to make room, but they can still avoid working
inside the house.
So, cable and DSL both have the same congestion points upstream of your link to
the home, Craig. Congestion points create the potential for low QoS. But
in-home visits are pretty much mandatory for FTTH, and they are absolutely not
mandatory for cable broadband. At worst, for the hopelessly incompetent, a home
visit to replace the cable modem, if it needs replacement.
Bert
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