Depend on the application
For example:
Multimedia application**
Long stream of data
So, the bandwidth is important
Single-user machine (desktop, laptop)
A large number of request access is small
So, the response time is important
5
**PERFORMANCE OF I/O DEVICE
Dependability
The quality of delivered service such that reliance can
justifiably be placed on this service.
From the definition, there are 2 concepts involved with the
dependability
Service accomplishment
The service is carried out as instructed.
Service interruption
The service is not carried out as instructed.
6
DEPENDABILITY
Fault: failure of a
component
May or may not lead to
system failure