A top-level network on the Internet. There are 16 Tier 1 networks worldwide. In the U.S., AT&T, CenturyLink, GTT, Verizon and the Zayo Group are Tier 1. Germany, U.K, France, Hong Kong ...

The PS Plus Essential tier is the one for any current subscribers that wish for their membership to continue the way it already is. This is simply a rebranding of what we know PS Plus as today ...