Virtual machine makes enterprise has a better experience in cloud deployment. VMware is the leading virtualization vendor and many enterprises choose its products like vSphere for their business system.
You might have many physical servers and virtual machines in data center. When you are going to maintain or abandon certain server, what should you do to the virtual machines on that server? Is it necessary to shut down the VMs to transfer the data to another ESXi host?
To guarantee the continuity of business, you might need VMware vMotion.