Physical server versus Virtual Machine

Hopefully, I've driven home the point that a VM is different from a physical server. I'll now list the differences from a management point of view. The following table shows the differences that impact how you manage your infrastructure. Let's begin with the core properties:

How do all these differences impact the hardware upgrade process? Let's take a look:

There's a big difference in storage. How about network and security? Let's see:

Finally, let's take a look at the impact on management. As can be seen here, even the way we manage a server changes once it is converted into a VM: