what if Amazon DNS goes down? Doesn't matter how many zones you've got... DNS remains a potential single (yes it is redundant with HA), but it's still a single point of failure.
Super low TTL and Refresh combined with replication to a DR provider. High Availability placed exclusively on a single provider - even Amazon (albeit different AZ's) is of zero value if all of Amazon itself is offline...
what if Amazon DNS goes down? Doesn't matter how many zones you've got... DNS remains a potential single (yes it is redundant with HA), but it's still a single point of failure.
Super low TTL and Refresh combined with replication to a DR provider. High Availability placed exclusively on a single provider - even Amazon (albeit different AZ's) is of zero value if all of Amazon itself is offline...