[LINK] "Line spectrum sharing" ? (Telstra offers separation proposal)

[Richard Chirgwin]

Fernando -

LSS is the service under which Telstra retains the lower frequency 
(voice telephony) and the ISP gets the higher frequencies (ie, DSL). I 
think.

RC

On 2/08/11 4:48 PM, Fernando Cassia wrote:
> In this story
>
> Telstra offers separation proposal
> Public prices, Chinese walls and ring fences
> http://www.theregister.co.uk/2011/08/01/telstra_separation_proposal/
>
> I read: "Telstra’s plan includes publishing reference prices for
> wholesale fixed line services. The cost of regulated services – the
> unbundled local loop and line spectrum sharing (used by retail ISPs to
> connect customers to their DSLAMs)..."
>
> Of course I know about local loop unbundling, where the local loop is
> connected to other competitive player´s infrastructure co-located at
> the incumbent´s central office, but it´s the first time that I read
> about "line spectrum sharing". Can someone elaborate on how it´s
> achieved in practical terms, or what does it mean?.
>
> Of course I know what spectrum sharing is, on wireless communications.
> I just can´t picture two providers sharing the same local loop, with
> two dsl modems connected over a single copper pair.
>
> TIA
> FC
>
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