[Aeolun]

> live migration of compute between hosts

When would you ever want to rely on this? Seems to me like you should have two hosts in the first place.

[manigandham]

Google has been relying on it for years. It's completely seamless and means you get even better reliability by insulating from the underlying hardware issues.

[porker]

When you don't want to lose the requests already in progress, and to avoid the failover window