vSMP, Versatile SMP, SMP system variant, in which is possible to combine many standard servers into one big system using specialized virtualization software (hypervisor). An additional benefit of using this solution is the ability to dynamically create virtual machines for a single task or for individual user. This solution is designed by ScaleMP company.
From user perspective there are no differences between vSMP and SMP systems, both have the same advantages (eg. shared memory). With network virtualization (Infiniband) virtual machine has very high efficiency, comparable to its equivalent of physical machine, while offering much greater flexibility in resources management.
In Cyfronet the vSMP system is currently installed on Zeus vSMP cluster.