Are Most PS3 Games Server-Based or Peer-to-Peer?

Most PS3 online games use a client-server architecture (dedicated or listen servers), not pure peer-to-peer.

Architecture Breakdown

Model	How It Works	Examples
Dedicated Server	Central server (Sony/Dev hosted) authorizes state. Clients send inputs.	MAG, Resistance 2, Killzone 2/3, Warhawk, SOCOM, DC Universe Online, FFXIV, Dust 514
Listen Server (Host = Player)	One player's console acts as server. Host has authority. Host migration on quit.	Call of Duty (MW2–BO2), Battlefield Bad Company 2, Uncharted 2/3, GTA IV, Red Dead Redemption, The Last of Us
Hybrid	Matchmaking/stats on master server; gameplay on listen server.	Most CoD, BF, Naughty Dog MP.
Peer-to-Peer (Mesh)	Every client syncs with every other. No host. Rare on PS3.	Some fighting games (SFIV uses GGPO-style rollback), small indie.

PSN (PlayStation Network) provides: Matchmaking, Friends, Trophies, Voice Chat, Store, NP Commerce.
Game servers were often rented by publishers (Demonware, GameSpy, custom). Many shut down (GameSpy 2014, others 2015–2022).
Private servers exist for: MAG, SOCOM, Warhawk, Twisted Metal, MGO2, GT5/6, BFBC2 (via RPCS3 / CFW PS3).

Pause → "Connection" / "Network" info → shows "Host: [Player]" = Listen server.
Server browser with ping to IP = Dedicated.
Search "Game dedicated servers PS3" or check ps3onlinemultiplayer.com (community tracker).

Bottom line: Listen server (player-hosted) is most common for shooters/action; dedicated for MMO/large-scale. Pure P2P is rare.

PS3 Games