ipv4

I have seen more times about these terms in VPS package offers but they are not clear to me, could any one explain what is the difference between IPv4 and IPv6? Does a VPS need a IPv6 and how do they work?

Hey everyone, I figured I would share something we recently learned about getting the best performance out of MySQL and IIS. We recently put up a test Wordpress site. One copy of it on our site, one copy on Amazon Elastic Compute Cloud (EC2). After running some speed tests, we realized our's...