According my mind. The way to protect away from PS3 ban must include some feature:
1. Immediately replace the version sent. 3.55 masquerade 3.56 to PSN
2. Random send normal game operating records to the psn. Automatic interception replace your operating records
3. The DNS has the capability of masquerade the host's ID. Host ID requires key generators be. So this if your PS3 ban accident,the ID banned is random

There above is my mind. If the DNS can slove there, the Sony will be in trouble