HP-UX System Administrator's Guide: Overview

represent multiple physical paths to a mass storage device and traffic can be balanced
among the physical paths for more efficient data transfer.
• Common Desktop Environment (CDE)
CDE allows you to configure multiple (virtual) workspaces using the X Window
technology. You can group and organize various types of work into these
workspaces and name the workspaces for easy identification.
Load Balancing (One Multiple Core Server, One Operating System Instance)
While the HP-UX scheduler does a good job of utilizing multiple cores when they are
available, sometimes you need (or want) to override the default scheduling algorithms,
for example to dedicate processing resources to an important application.
When your server is equipped with more than one core, the technologies in the load
balancing category can help you precisely allocate the resources of multiple cores and
other processing resources (memory, disk I/O bandwidth). These technologies include:
• Process Resource Manager (PRM)
• Processor Sets (PSETS)
• Workload Manager (WLM)
• Instant Capacity (iCAP/TiCAP/GiCAP)
• Pay per use (PPU)
26 HP-UX Virtualization Technologies