[LINK] Labor to deliver lightning internet speeds

Paul Brooks pbrooks-link at layer10.com.au
Wed Mar 5 20:34:22 AEDT 2008


David Goldstein wrote:
> All rather slow when one compares this to say Japan where, as Randy Bush was saying during the recent Domain Pulse conference, he gets 100gbps to his apartment in Japan. And large parts of Europe are already way beyond what the Australian government is planning and around what is currently available in Japan.
>   
Sanity check please. If he is quoted correctly, its just baseless hype.
Nobody is getting 100Gbps into any apartment, even in Japan. Some might 
get a 1 Gbps access line if its an apartment building with straight 
ethernet up the riser, most such services are 100 Mbps, and these are 
really only possible in the highly concentrated environment of an 
apartment building. Whether someone with a 1 Gbps access line can 
actually achieve 1 Gbps of throughout, when everyone else in the 
apartment is using their links as well, remains to to be seen.
Its very easy to provide a gigabit link, when the backhaul ensures the 
upper 90% of the capacity on the link can never be used.

In europe, the large parts doing FTTH are generally using GPON 
technology, which shares 2.4 Gbps across 64 homes - which works out to 
be under 40 Mbps for each home if everybody is watching their IPTV. This 
is usually provided to a 100BaseT ethernet port in the home gateway, 
which sets the maximum throughput available if the network has the 
capacity in the backhaul.

 From http://www.telecommagazine.com/Magazine/article.asp?HH_ID=AR_3502 
in November 2007:

> Competitive pressure continues to mount, however, on France Telecom. 
> Last August Iliad launched a 100Mbps downlink and 50Mbps uplink 
> service for only €29.99 (US$41.50) per month, which includes a TV 
> service and free fixed-line calls within France. France Telecom is 
> charging €45 (US$62.50) per month for its basic package of TV, voice 
> calls and high-speed (100Mbps) Internet access.
>
> By contrast, in the UK, where there is no FTTH or FTTN competition, BT 
> has no immediate plans to roll out fiber, either to the street cabinet 
> or right up to the customer premises (except in greenfield sites). It 
> is sticking to ADSL2+, which BT believes will be able to give the 
> majority of its customers between 10Mbps and 12Mbps on the downlink.
>
> A story surfaced in the UK /Financial Times/ last summer about BT 
> looking seriously for the first time at installing FTTN to deliver 
> downlink speeds of up to 50Mbps, but, according to a BT spokesperson, 
> this is not the case. "There has been no change in our position," he 
> says. "While we will continue to look at FTTH and FTTN, it is still a 
> very expensive thing to do."
>

and

> In terms of raw bandwidth speed, Whitton is correct. Verizon’s current 
> highest downlink speed product is 50Mbps, with an uplink speed of 
> 10Mbps. This overshadows both the cable operators and AT&T (AT&T’s 
> highest downlink speed over FTTN plus VDSL2 is 6Mbps; the uplink 1Mbps).
>
> Whitton believes Verizon, using a GPON FTTH architecture where up to 
> 32 users can share 2.48Gbps bandwidth, has a lot more scope to ramp up 
> data throughput in the event of increased demand. "Through statistical 
> multiplexing, we can offer sustained rates of 200Mbps and peak rates 
> of 400Mbps," he says.
>
> Even an ardent supporter of FTTP such as Verizon still will have the 
> majority of its wireline customers served by DSL beyond 2010. This is 
> simply because the economics of deploying a truly nationwide FTTP 
> network don’t stack up at this stage
>
The Australian FTTN aspiration, for a minimum of 12 Mbps up to 60-odd 
Mbps for VDSL2, is not that far behind FTTH speeds, and well above 
AT&T's FTTN speeds.

Cheers.



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