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IBM zEnterprise EC12 Configuration Setup by Botrous Thalouth, Kazuhiro Nakajima, Gianmauro De Marchi, Woojin Lee, Joao Francisco Veiga Kiffer, Lei Ming Cao, Srikanth R. Adige, Sandra Tomoko Minami Abe, Karan Singh

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Server Time Protocol Setup
Server Time Protocol (STP) introduces a concept called a Coordinated Timing Network (CTN). A CTN is a collection of servers and Coupling Facilities that are time-synchronized to a time value called Coordinated Server Time (CST).
A CTN can be configured in these ways:
An STP-only CTN that does not require a Sysplex Timer.
A Mixed CTN (External Time Reference and STP) that requires a Sysplex Timer. The Sysplex Timer provides the timekeeping information in a Mixed CTN. Even though zEC12 does not support attachment to ...

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