Application :
•
A software program that provides logic
for computing operations
•
Commonly deployed applications in a data
center
4 Business
applications – email, enterprise resource planning (ERP), decision support
system (DSS)
4 Management
applications – resource management, performance tuning, virtualization
4 Data
protection applications – backup, replication
4 Security
applications – authentication, antivirus
•
Key I/O characteristics of an
application
4 Read
intensive vs. write intensive
4 Sequential
vs. random
4 I/O
size
Application Virtualization :
Definition :
It is the technique of presenting an application to
an end user without any installation, integration, or dependencies on the
underlying computing platform.
•
Allows application to be delivered in an
isolated environment
4 Aggregates
Operating System (OS) resources and the application into a virtualized
container
4 Ensures
integrity of Operating System (OS) and applications
4 Avoids
conflicts between different applications or different versions of the same
application
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