The awsctc device manager provides channel-to-channel (CTC) functions using TCP/IP communication paths. As shown in Figure 16-1, the connection can be within the same zPDT instance, between zPDT instances on the same machine, or between zPDT instances on different machines. Among other functions, CTC can be used by z/OS for GRS “rings”, NJE connections, XCF, TCP/IP connections, and so forth.
Figure 16-1 CTC links for zPDT
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