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m moved Parallel Sysplex to IBM Parallel Sysplex: consistent name for IBM products,etc |
CanisRufus (talk | contribs) m bot-assisted dab: DB2 |
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* [[Sysplex Timer]]s or [[Server Time Protocol]] to synchronize the clocks of all member systems;
* High speed, high quality, redundant cabling;
* Software ([[operating system]] services and, usually, [[middleware]] such as [[IBM DB2|DB2]]).
The Coupling Facility may be either a dedicated external system (a small mainframe specially configured with only coupling facility processors) or integral processors on the mainframes themselves configured as ICFs (Internal Coupling Facilities). Both are popular — there are minor technical advantages and disadvantages between external CF and ICF installations.
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