Last Saturday my playstation 4 and playstation 3 will not allow connection for any online games. My kids can be on playstation network. Can download as well. But connection to online games get s dropped with different error codes.
sometimes it can be on the playstation end they have downtimes for maintaince and also it can be the games u playing they can have network problems sometimes they announce it on there twitter or home page or in the game. I have a ps4 and had no problems last weekend