[jamiesonbecker]

Generally speaking, the number of servers has very little to do with complexity of migration or existential threat from downtime, relative to company size.

[user5994461]

Generally speaking, the numbers of server is a good indicator of the amount of services, which has much to do with the complexity of a migration.

[jamiesonbecker]

Servers used to be beautiful snowflakes. That's not so true anymore, especially at EC2 or GCE.