I heard in cuba gamers hooked up huge lan network basically making a new internet. This circumvents ISPs which is quite important considering 25% of the entire canadian mobile/internet network is down atm. (https://www.cbc.ca/news/business/rogers-outage-cell-mobile-wifi-1.6514373)

I'm also wondering if a p2p set up would be possible.

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[–] Helix@feddit.de 0 points 2 years ago

https://dn42.eu tries to create a huge overlay mesh VPN which helps you understand the underlying techniques for building a global WAN aka Internet.

In case of emergency one could certainly try to get DN42 running when central internet infrastructure is failing. Sadly, the peering points are mostly private ISPs and no big internet exchanges.