AlwaysOn isn't just a 2012 feature, it's an Enterprise 2012 feature, so that can be a consideration.

You haven't really defined the problem, Austin, and we can't see your environment, so it's hard to tell what you mean.

Re #1, do you mean you have a cluster and use DBM to an instance not on your cluster? If so, you do nothing. The cluster fails over. DBM will pick up when the cluster starts on the new node. It's like a reboot. In that case, you don't do anything to pause mirroring.

Re: #2 - What is "handling" and what is "working on"?