This depends on what type of failover you have though. If you 1000 small data centers and you consolidate into 100 larger data centers this doesn't mean an ord

This depends on what type of failover you have though. If you 1000 small data centers and you consolidate into 100 larger data centers this doesn't mean an order of magnitude increase in risk. As long as any data center can take over for any other data center you probably don't need more than a handful of data centers for redundancy (you might want them for other reasons though).