Had this issue as of Sept 1st (was fine beta 3, beta 4, and EA). Prior to the updates today, the game was unplayable and would lag for 5 seconds or so every 15-30 seconds, and then catch up to where it was. After the updates, it is still doing it, but far less frequently as of this moment.

No other problems to report, and all other internet traffic works just fine, other P2P connections and everything else.

ISP: FLETTS/OCN
Location: Japan