On 26/02/16 15:41, Andy Farkas wrote:
On 26/02/2016 14:17, Karl Auer wrote:
Implementing such technologies when we already have technologies
available with upper limits so far away we can barely see them is
stupidity that defies credence. Regards, K.
Portugal is rolling out a 80000Mbps [*] fibre to the home network. I'd
like
to see wireless or VDSL do that!
All we get is a guarantee of a lousy "up to" 25Mbps.
[*] yes 80000Mbps or 80Gbps. Perhaps people don't realise what Gbps
actually means - it's 1000 times Mbps.
<
http://advanced-television.com/2015/11/06/pt-portugal-targets-5-3m-fibre-homes-by-2020/>
It's PON, which means you are sharing the fiber.
https://en.wikipedia.org/wiki/Passive_optical_network
https://en.wikipedia.org/wiki/10G-PON
The 10G PON article talks about a 128-way split, which means worst case
625Mbit/sec per home.
So while it's obviously better than 25Mbps, don't get excited about the
headline 80Gbps.
I couldn't find out what the uplink speeds are. They will be less, as
sharing the fiber in this direction is significantly more complicated.
Hamish
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