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If you're lucky enough to have won "node lotto" (i.e.: You have <100 metres of copper between you and the fibre) or you have fibre to the curb/premises AND you're with a decent provider, then great. For everyone else, wireless is the only alternative and the carriers will need to step up and meet demand.
Much of it is whether your local cabinet has fibre backhaul, period !
If it has then the cabinet can support faster HW that in NZ will allow 80 MB/s for (VDSL)close subscribers and 20 MB/s (ADSL2+)for those past the 500m limit for VDSL. Distance from the cabinet of course degrades performance but if the existing copper is in reasonable condition a few km is quite achievable.
There often isn't good understanding of all the factors that impact on DSL performance.
As some example knowledge gained from several years of banging my head against these ISPs our previous service was ADSL1 over 1km of 40+ year old copper to a cabinet of ADSL1 Conklin's supplied by 3 pairs of more old copper backhauled 4km to our local exchange that's fibre supplied.
Link speed to our cabinet was always 6+MB/s but the backhaul max theoretical speed was 2MB/s and due to the distances involved the best we could ever obtain was 1.7MB/s and only in the wee small hours of the morning.
Because the backhaul connection is always shared its capability determines overall performance.
It's all about the ISP backhaul and HW supplying the copper and little else !
So with a few years of discussing this with some ppls high up in ISP's and their 'pipe' providers it was made clear that the only long term solutions for the many thousands of subscribers afflicted with Conklin D-Slam disease here in NZ was to get fibre backhaul into cabinets and upgrade the HW one by one.
Ok, so I asked if those subscribers that any new fibre backhaul passed could grab a fibre link as it ran past their door. NO was the reply, it's only for infrastructure backhaul !
It ain't simple, believe me.
If you get the chance, go find a little ISP that
needs you aboard and then offer the big ISPs the Victory salute. I did !