These companies want a hypervisor layer that just works and doesn't cost much. "We have had over one million downloads of XenServer, and we are getting hundreds of thousands of downloads per quarter for it now. "Clouds tend to be greenfield installations, and their builders are very price-sensitive on the hypervisor front," Subramanian tells El Reg. Rather, it is positioning XenServer as a value leader for clouds and VDI, with a special emphasis on clouds. What Citrix is not trying to do, explains Krishna Subramanian, vice president of product marketing for the cloud division, is to take on Microsoft's Hyper-V and ESXi hypervisors for all workloads. You can see the full component list and their licenses here. XenServer and XenCenter are being open sourced under a mix of GPL, BSD, and Citrix licenses, depending on the component. XenServer will take the core Xen code and wrap high availability and other tools such as XenCenter around the core Xen hypervisor and do so in such a way that companies can use it in production and get support contracts from Citrix to make them feel safe. Finally, it also means that XenServer can be a peer to KVM on the rival OpenStack cloud controller.īy the way, the open source Xen hypervisor project that was absorbed into the Linux Foundationback in April to give Amazon, Google, and others more sway into its development, continues on as a separate open source project. It also means that XenServer can be paired more naturally and cleanly with CloudStack, the cloud control freak thatCitrix bought for an estimated $500m back in July 2011 and fully open sourced at the Apache Foundationin April 2012. With this move, XenServer can now be embraced by public and private cloud builders who want something that is free – or at least inexpensive – but yet sophisticated enough to do the kinds of things clouds need.
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