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Business Benefits
- Significant server consolidation
- Real disaster recovery capabilities
- Streamlined test and development labs
- Agile provisioning processes
- More efficient server lifecycle management
- Better system redundancy
- Easier management of their IT environments
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Virtualization: What is it?
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Virtualization
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Virtualization: What is it?
Virtualization Infrastructure Solutions work to reduce your
overall hardware needs while increasing your capacity at various levels. There are
basically two types of virtualization in computing, Platform and Resource
Virtualization.
Platform Virtualization
is implemented on hardware resources by "host" software, creating a simulated,
virtual or pseudo environment for its "guest" software. This type of
virtualization acts as a resource multiplier, turning one physical resource into
many logical resources. Dependent on the level of hardware simulation, there are
several types of platform virtualization such as emulation, operating system
level and application virtualization that can be implemented.
Several providers of platform virtualization software include
VMware ESX, Microsoft Virtual Server, Xen, and Virtual Iron.
Resource Virtualization
expanded on the basic concept of platform virtualization to now include specific
system resources, such as storage volumes, name spaces, and network resources.
Overall, resource virtualization combines separate physical resources into one
logical resource pool. Examples of resource aggregation include SAN, RAID,
volume managers and channel bonding.
In addition, there are several types of resource virtualization
– partitioning, which splits a single resource such as network bandwidth or disk
space into smaller components and encapsulation, hiding the complexity of a
resource by creating a simplified interface. Examples of resource partitioning
include v-lans, VOIP and zoning of storage; and for encapsulation – disk drives,
modems, routers, cache and many "smart" devices
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