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Follow on Google News | Considering server virtualisation? What are your options?24/7 Uptime, experts in fault tolerant, high availability software solutions, explain how VMWare, HyperV and Citrix Xen server work.
By: Tracy Barlow So what are the differences? The common mistake people make is that VMware is virtualisation. True it has the largest market share – and it was the leading pioneer in taking servers to a virtual platform, however it is not the only way to virtualise servers and by no means the most suitable in many cases. VMware was developed before processors became virtual aware (or VT enabled – in Intel speak). Therefore the VMware hypervisor does ALL the work and cannot utilise the already virtual capabilities of the more modern processors. One major issue with VMware is system fault tolerance – it is not a proven solution with very little adoption. Full system fault tolerance cannot be achieved using VMware – and in all cases, anything but a basic failover solution requires the use of shared storage, which in itself is a single point of failure. HyperV is actually Citrix Xen server architecture with a different badge and made more “Microsoft” On the other hand, Citrix Xen server is a free hypervisor – and system fault tolerance can then be applied using Marathon’s everRun MX solution. http://www.247uptime.co.uk/ Both HyperV and Citrix Xen server utilise the virtualisation elements of VT enabled chip sets, hence are much more efficient and less tied down by the basic fundamentals of handling processing environment virtualisation. 24/7 Uptime are Elite Partner resellers of Marathon Technologies and experts in fault tolerant, high availability software solutions. To find out more visit http://www.247uptime.co.uk # # # 24/7 Uptime are high availability/ End
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