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Other components can use the Coupling Facility to help with system management, performance, or reduced hardware requirements. Called “Resource Sharing”, uses include:
* Catalog – shared catalogs to improve performance by reducing I/O to a catalog data set on disk
* CICS – Using the CF to provide a sharing and recovery capabilities for named counters, data tables, or transcienttransient data
* DFSMShsm – Workload balancing for data migration workload
* GRS Star – Reduced CPU and response time performance for data set allocation.