Employees don’t care on which physical server their applications are running – all that matters are the availability, performance and scalability of the applications.
The technology that makes this concept possible is called virtualization. Virtualization divides up the resources of IT systems to gain a number of advantages, including high system availability, server load optimization and cost-effective server structures.
Software links the servers
Servers can be combined virtually, i.e. via software, into a hardware conglomerate to form a large resource pool. Processes and applications are no longer bound to one server. If a server fails, running applications can access the remaining capacities in the virtual pool, optimizing the load on each individual server.This eliminates the need to procure expensive standby hardware that is only used in the case of a server failure, while at the same time increasing the availability of the systems. Databases for drug research, for example, must be available worldwide 24 hours a day. Virtualization provides this availability cost effectively and with minimal complexity.
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