Starting sometime between the night of Feb 20th 2016, and the morning of Feb 21st 2016 PSN starated having serious stability issues.
I have been getting discconected from partying on the PS4 constantly, almost every 5 minutes.
I can't join an online game of Evolve for more then a couple of minutes before getting dissconnected, sometimes I can't connect at all.
Four Kings dissconnects me every 15 minutes, or when I try to change zones.
Call of Duty: Ghosts works for about 20mins before I get dissconnected.
On the postive side, when I was getting dissconnected from my party constantly on Sunday Feb 21st, Tom Clancy's the Division Beta was working perfectly fine, and so was in-game chat, so I have no idea what the problem is...