Among the several reasons for Red Hat to embrace CentOS, its erstwhile copycatting nemesis, one explanation has largely been overlooked: The cloud made them do it. More specifically, OpenStack made them do it.
Red Hat had all but sewn up the market for Linux in the data center. But in the cloud, the market for Linux is both wide open—and perhaps nonexistent.
“The availability of HPC-on-Demand is opening up the world of supercomputers to expanding organizations that want to quickly take on more work and burst capacity when required. SMEs, that have never previously had access to this kind of power, can now use it on a project basis over a defined period of time and only pay for what they use. They don’t waste investment by having infrastructure running idle.”

