1. Service level agreement for n years explicitly stated at release?
2. Release a binary containing the bare necessites of the title's backend services (stripped of any analytics or proprietary stuff)?
3. Something else?
Whats frustrating is that studios and publishers (should) have an idea of what the lifetime cost for each player is, so they can price the game appropriately. I wish it were industry best practice for large studios to be transparent at release and state "we can support this game for a minimum of 10 years, if it's a hit, longer".