I have learnt the basics of setting up a VPS, securing it, setting a LAMP stack and installing wordpress. I understand we have to point the ip via an A record to the domain. I also understand that inorder to set up SSL or https, one needs to have an IPv4 but I still have'nt figured out whats the need of more than 1 IP address and what exactly you can do with IPv6 addresses. I read IPv6 is the upgraded version of IPv4 since the internet ran out of addresses. I have a ramnode VPS and they provided 16 IPv6 . What exactly can I do with it? Its been confusing me for a while now.
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