VPN Service for a large number of users?

Question

openvpn

Some technical details of VPN service implementation are of interest. On what, as a rule, VPN, OpenVPN or something else is done. How to organize authorization, on certificates or in some other way? And there will be no problems with a large number of users (thousands or even millions)?

Answer 1

If there are thousands and millions of users, then there will be a wagon and a cart. Here you need a whole iron data center and channels for a dozen other gigabits. Authorization - as you like. You want serts, you want logins passwords.

Answer 2

See how they do OpenVPN with authorization using the example of Pritunl

Answer 3

And there will be no problems with a large number of users (thousands or even millions)?

Another elf from a parallel universe? Those who have the funds to organize a VPN for millions of users (and this is very decent money) - they don’t hang out here, they hire an integrator company (for a small fraction, which, nevertheless, will be so much that they immediately get tea, coffee, cookies and a ready-made girl-personal manager).

Answer 4

3 years ago - Which router (gateway) to buy?
18 years ago - Gigabit VPN Gateways

And there will be no problems with a large number of users (thousands or even millions)?

Only hardware can withstand ... you can certainly install Linux with OpenVPN, but it seems risky to me)))
In search engines - "buy a vpn gateway"

How to organize authorization, on certificates or in some other way?

For personal use, I leave only the certificate, and I force everyone to use the certificate + password)))