Subj : List of IPv6 nodes
To   : Alexey Vissarionov
From : Bj”rn Felten
Date : Mon Jan 10 2022 10:55:05

 TK>> Maybe the cheap solution: Only one fiber; downstream and upstream
 TK>> on different wavelengths.

(I agree with Alexey, the above quote looks like shit, what crappy abandonware is responsible for this?)

   The signal is already encoded via a multitude of frequencies and of course light can travel in both directions at the same time, so no, that's not the reason. Nota bene, it's the same fiber and equipment, just different speeds at very different cost, I can change it any time without any hardware changes.

 AV> Yes, but this technology is symmetric.

   I agree. The only reason I can figure out, is that some ISPs don't want people to run servers, they want their customers to buy their contents (usually lots of encoded TV channels).

   One package offered by Telia (the former government owned TelCo in Sweden) costs EUR 60 per month, 12 month binding time, for just the content -- the fiber not included.

   So they pretend that it's still ADSL technique, that many customers started with in the early internet days?



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