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Desktop Virtualisation
Choosing the right approach
Ian Masters, UK sales director
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Introduction
• With solutions for Windows®, Linux®, AIX® and
IBM® i, Vision leads the way in keeping systems
and applications resilient and available
• Personally working in the high availability and
disaster recovery for Windows® space since 1996
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What is it?
• in traditional desktop models, the computer runs
an operating system where individual
applications are executed
• with virtualisation you break the connection
between physical hardware, operating system,
application and display
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Why does it matter?
• lower desk side support costs
• lower costs associated with asset deployment,
configuration, and maintenance
• streamlined desktop management, rapid
provisioning of new hardware , OS or
applications
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Approaches
• user state virtualisation
• application virtualisation
• session virtualisation
• virtual desktop infrastructure
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Benefits
• flexibility
• security
• availability
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Making choices
• user profile
• consider the benefits
– user state virtualisation
• flexibility, availability
– application virtualisation
• application stability and reliability, lower licensing costs
– session virtualisation
• centralised control and data storage
– virtualised desktop infrastructure
• centralised control, flexibility, availability
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Comparing the options
Type Flexibility Control Security Availability Offline
Access
Performance
user state
application
session
VDI
applicable partial not applicable
streamed
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How streaming works
An iSCSI boot image is created from a master image
iSCSI
Storage
Master Image
Boot Image
A client machine performs a PXE boot on the network The Management server directs the client to the image Multiple clients may boot from the same image
Management Console
Management Server
Storage Server
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Comparing the costs
Type Upfront Cost TCO
user state LOW LOW
application MEDIUM MEDIUM
session HIGH LOW
VDI HIGH LOW
streamed LOW LOW
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Final word
• choose the solution that is right for your
organisation
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Q&A
