DirectConnect 12.6 uses Open Server preemptive scheduling that uses native operating system threads. The operating system controls context switches that result in:
Frequent context switches for improved time slicing
More efficient CPU usage
Higher throughput and greater scalability
Shared Memory Multiprocessor Open Server (SMPOS) is implemented for the following DirectConnect for z/OS Option products:
DirectConnect Access Services that provide access to DB2 UDB
DirectConnect Transaction Router Services (TRS) that provide access to remote transactions (TRS TCP and TRS SNA)
