• OpenVZ is not flexible to provide the services that are being provided by other virtualization platforms.

• OpenVZ is partial virtualization and act as a containerization, whereas other virtualization technologies are either type1 or type2 Hypervisors.

• OpenVZ uses kernel patches to run only Linux operating system, whereas other virtualization platforms can run more than one operating systems.

• OpenVZ is fast and efficient compared to other virtualization technologies.