To most applications the WPAR appears as a booted instance of AIX. In general,
applications can run without modification in a WPAR.
Inside the WPAR, the applications
– have private execution environments
– are isolated from other processes outside the WPAR, signals and file
systems (file system isolation only applies to system WPARs)
– may have dedicated network addresses
– have interprocess communication which is restricted to processes
executing in the same workload partition.
There are two types of workload partitions that can reside in a global
environment.
– System WPAR - almost a full AIX environment.
– Application WPAR - light environment suitable for execution of one or more
processes.
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