What’s staked connections and Atlas?

This phrase staked connections is new to me. What is it ? And also how do I get access to Atlas ?

this is my understanding, but it could be wrong, hopefully someone with more knowledge will weigh in here -
A node supports some number of staked/unstaked peers and a given number of connections per peer.
So if you are using a staked validator for example, you use staked connections. if you spin up your own rpc node, no stake so unstaked connection.