About: Channel-to-channel adapter

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In IBM mainframe technology, a channel-to-channel adapter (CTCA) is a device that connects two input/output channels on (usually) two separate computer systems. The adapter allows one computer system to be treated as an input/output device by another. It is used "to link the processing units in a loosely coupled multiprocessing system.

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  • In IBM mainframe technology, a channel-to-channel adapter (CTCA) is a device that connects two input/output channels on (usually) two separate computer systems. The adapter allows one computer system to be treated as an input/output device by another. It is used "to link the processing units in a loosely coupled multiprocessing system. Virtual channel-to-channel adapters (VCTCA) are often used to communicate between two virtual machines in the z/VM operating system. The Virtual Machine Communication Facility (VMCF), and later Inter User Communication Vehicle (IUCV) are now often used in place of VCTCAs because they provide a simpler interface and improved performance. (en)
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  • In IBM mainframe technology, a channel-to-channel adapter (CTCA) is a device that connects two input/output channels on (usually) two separate computer systems. The adapter allows one computer system to be treated as an input/output device by another. It is used "to link the processing units in a loosely coupled multiprocessing system. (en)
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  • Channel-to-channel adapter (en)
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