Tsuru, transforming the IT department into a service provider By vmalaga@gmail.com With extensive experience in production environments, first in unix environments and later with linux, I have seen a transformation in the way that the datacenters are managed and also how, from the production departments, the applications are implemented. Bare-metal In the pre-virtualization era, most applications were implemented in such a way that each application had an economic allocation to have its own server.