In a marketing services-related company security is paramount Therefore, you probably will rely on services, especially during maintenance of your network and need support for that. When it comes to security and support KVM would be the better option. With in-house…

I felt the need to, again, make some remarks Left out of the discussion is the question of which architecture is planned for use and what OSes as guests. In the past, Intel CPU on the x86 ISA has been used merely, but that landscape is rapidly shifting. There is a big…

Apart from the question of which hypervisor to use, it boils down to the quality of the network adapters, switching capacity and CPU lanes your proc supports. Checksum offloading is another important topic. If all is done well I measured performance gains with Xen Hypervisor…

I run XenServer for more than five years with zero downtime for the VM instances. A very solid environment.

Indeed XenServer starts at virtually no costs at all and reasonable fees for enterprise support. Besides that, it supports a lot of powerfull backends like Dell/EMC and has nice options for test setups where no license is needed.