Virtualization is becoming more and more popular all the time, and if you don't know much about this technology, I would highly recommend you begin learning. In fact, if you are a technology worker, you ought to have some sort of virtualization software installed on your computer right now. Testing, practicing, learning, all of these are made easier with a virtual machine that allows you to try out ideas without affecting your daily work.

One of the advantages of virtualized servers is that they can be moved from one set of physical hardware to another. If you find that your virtual machine (VM) is not receiving enough resources from the host, you can move it to another less busy host, and improve performance. What's even more amazing is that you can move this VM while it is in use. In fact, your clients may not even notice that the VM has migrated to another host, even while connected. To me, that's absolutely amazing.

Read the rest of "Fast Migrations" at SQLServerCentral.