Server Virtualisation - Why?
The Benefits of Server Virtualisation
Typically, many organisations use individual servers to host no more than a single application, causing significant overspending on capital and operating costs, inefficient performance and underutilisation (analysts estimate less than 10% utilisation is common).
Reduce the cost of your server ownership -
Less servers, less racks, less maintenance, less power draw, server consolidation, less admin costs
Increase your current hardware utilisation -
Use existing hardware, applications only operate on demand, reduce idle time, cluster similar applications
Reduce your deployment times -
no waiting for hardware, no hardware installation, and release pre configured system image when required
Business continuity -
Recreate servers, easier software migration, clone existing server configurations, minimum disruption and maximum utilisation
Reduce your security risks and increase manageability -
Common security environments, share systems without sharing sensitive data, secure isolated testing, fast restore of infected systems, centralisation, allow legacy to exist alongside virtual
Test & development agility -
Develop and test side by side on multiple operating systems, faster test/build cycle
Improve application performance -
Shared resources capable of handling unexpected demand, no need for spare capacity to cope, flexibility to reassign resources as required
Reduce network utilisation -
Bandwidth used as and when demand requires
Virtualisation is considered a 'green technology' as it has the potential to reduce your organisation's carbon footprint
Server virtualisation means hardware can be used more efficiently and resources can be dynamically allocated to applications based on demand.
Each application can be run in a separate virtual server, leading to fewer servers, fewer racks, less power, reduced operating costs and an overall reduction in your IT footprint. In summary, server virtualisation is better described as a range of technologies that consolidates server resource.






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