Part I contains the following topics:

• High Availability Overview
  The following section describes high availability environments and provides reference information on high availability concepts and tasks as you set up a highly available environment.
• High Availability Concepts
  High availability involves elements such as load balancing, failover, Real Application Clusters, and profiles (settings).
• Whole Server Migration
  When whole server migration occurs, a server instance migrates to a different physical machine upon failure. You must configure whole server migration for Managed Servers if your environment uses special (pinned) services such as JMS and JTA.