[LINK] Minister, Turnbull, Windsor...discuss NBN on Insight

[Marghanita da Cruz]

Chris Maltby wrote:
> On Wed, Oct 27, 2010 at 09:16:05AM +1100, Marghanita da Cruz wrote:
>> Who is wrong? Can the HFC cable and copper, alreay availble 
>> in most homes, be reconfigured to deliver higher upload and 
>> download if it is connected to a highspeed fibre backbone at 
>> the node?
> 
> I have no doubt that 100mbs upload is possible, but perhaps not at the
> expense of bandwidth needed for pay TV channels. Also, the current HFC
> setup shares the download and upload bandwidth Ethernet style between
> users on the same cable segment. The HFC nodes already have a fibre
> connection - that's what the 'F' stands for, or did I misunderstand the
> question about backbone bandwidths?
> 
<snip>

Chris,

What I was talking about is the HFC between the node and the
home and whether it really needs to be replaced with fibre.
There was a bit of discussion about the fact that Deutche
Telecom was upgrading their copper.

Tony Windsor looked his usual bemused self sitting between
Paul Budde and Kevin Morgan who were on opposing sides.

Thanks for pointng out the F in HFC! Seems it was a good
question from Jenny Brocke (see 1 below)
> Hybrid fibre-coaxial (HFC) is a telecommunications industry term for a broadband network which combines optical fibre and coaxial cable. It has been commonly employed globally by cable TV operators since the early 1990s. See diagram below for a typical architecture for an HFC Network.
> HFC Network Diagram
> 
> The fibre optic network extends from the cable operators' master headend, sometimes to regional headends, and out to a neighbourhood's hubsite, and finally to a fibre optic node which serves anywhere from 25 to 2000 homes.
<http://en.wikipedia.org/wiki/Hybrid_fibre-coaxial>

Marghanita
(1)
> JENNY BROCKIE:   I want to give Stephen Conroy a quick response.
> STEPHEN CONROY:  Malcolm wants to try and confuse the debate by talking about download speeds.  There is high-definition video conferencing that Malcolm is describing there in e-health, you need to have upload capacity. The ADSL - A stands for asymmetric which mean on copper, down speeds are fantastic but on up speeds they are not so good. Just like the HFC cable that Malcolm keeps talking about, the HFC cable in this country is configured deliberately to...
> JENNY BROCKIE:  For the people at home the HFC cable is?
> STEPHEN CONROY:   The paid television cable that they put broadband on. The HFC cable is configured deliberately to be 100 download and 2meg up. You cannot do most of the e-health applications that Malcolm keeps trying to quote there from America.
> MALCOLM TURNBULL:  That?s not true.
> STEPHEN CONROY:  It is true.  You cannot do high-definition video conference with 2meg speed.
> PAUL BUDDE: Ten years' time, we want 100 meg
<http://news.sbs.com.au/insight/episode/index/id/332#transcript>

-- 
Marghanita da Cruz
http://ramin.com.au
Tel: 0414-869202