OpenStack: your own cloud service without huge licence fees
A couple of years ago the question was whether it is cost-effective to virtualize. By now, the technology is mature and ROI values are also convincing – so the question is: how to do it?
From Amazon to OpenStack
Almost every major market player has already launched its own product. As a pioneer, Amazon presented its EC2 cloud service, followed by the competitors’ solutions: Google Cloud, Microsoft Azure, HP Helion (which appears to fail) and VMware vCloud.
Then Rackspace appeared next to the big players and shuffled the market with its public cloud service which is by now the world's largest OpenStack based system.
Modularity and continuous development
If we look at the OpenStack's modular structure, we see that every component is interchangeable with some other company’s solution. At the field of Hypervisor KVM solution is used, although is compatible with Xen, ESXi, HyperV, QEMU, etc. solutions as well.
Similarly, we can use VMware NSX for network virtualization instead of OpenVSwitch.
These are all benefits that can be important decision factors when the annual virtualization license costs have to be determined. Not to mention the huge community of people who continuously develop, enhance and improve the cloud software.
What also helps OpenStack to spread is that the solution is generally not used by end-users, but by IT operators who are willing to follow trends and try new technologies.
Big Hollywood companies have already realized the benefits of the technology; Comcast, Disney and Time Warner have been using it for a long time as a private cloud solution. The number of those who choose a free, opensource solution instead of high licensing costs is conitinuously rising.