> Today fiber is the network tech. Except for the last mile, everything is fiber. (G)PON, (gigabit) passive optical network, seems to be what everyone is movin

> Today fiber is the network tech. Except for the last mile, everything is fiber. (G)PON, (gigabit) passive optical network, seems to be what everyone is moving to: * https://en.wikipedia.org/wiki/Passive_optical_network https://en.wikipedia.org/wiki/Passive_optical_network * https://en.wikipedia.org/wiki/GPON https://en.wikipedia.org/wiki/GPON Even for wireless (LTE/4G, 5G), GPON seems to be used for backhaul: * https://ieeexplore.ieee.org/document/8650520 https://ieeexplore.ieee.org/document/8650520 * https://www.lightwaveonline.com/5g-mobile/article/14188094/the-case-for-using-pon-for-5g-fronthaul https://www.lightwaveonline.com/5g-mobile/article/14188094/t... IEEE 802.3ca-2020 allows for 25 GigE per lambda, being able to combine two for 50 GigE; I'm sure there's an ITU equivalent (or will be soon). * https://www.itu.int/hub/2021/06/new-itu-standards-to-boost-fibre-to-the-home-from-10g-to-50g/ https://www.itu.int/hub/2021/06/new-itu-standards-to-boost-f... * https://en.wikipedia.org/wiki/Higher_Speed_PON https://en.wikipedia.org/wiki/Higher_Speed_PON The main 'semi-hold out' are cablecos, where they are pushing fibre closer and closer to the premises, but generally haven't yet decided to replace co-ax in people's homes yet: * https://en.wikipedia.org/wiki/DOCSIS https://en.wikipedia.org/wiki/DOCSIS