Time synchronization supports two types of network configurations (Coordinated Timing Network (CTN)):
A Mixed CTN allows the use of both Sysplex Timer signals and STP messages. An STP-only CTN uses only STP messages to keep servers synchronized.
In this chapter we present a high-level overview of STP recovery concepts and definitions, and how they apply to each type of CTN. Later in this chapter we describe how recovery is achieved for different types of failure.
For a complete description of the concepts ...