Basic Telecommunications Access Method
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High Quality Content by WIKIPEDIA articles! Basic Telecommunications Access Method (BTAM) was a low-level programming interface specified by IBM for use on the IBM System/360 for sending and receiving data through telecommunication lines. Later, IBM specified higher-level interfaces (QTAM, VTAM) and entire architectures (TSO, SNA). BTAM requires the application program (or transaction processing system) to handle almost every detail of the protocol. This is harder than using a higher-layer protocol, but it permits interfacing to non-standard devices in non-standard ways. At the time BTAM was…mehr

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High Quality Content by WIKIPEDIA articles! Basic Telecommunications Access Method (BTAM) was a low-level programming interface specified by IBM for use on the IBM System/360 for sending and receiving data through telecommunication lines. Later, IBM specified higher-level interfaces (QTAM, VTAM) and entire architectures (TSO, SNA). BTAM requires the application program (or transaction processing system) to handle almost every detail of the protocol. This is harder than using a higher-layer protocol, but it permits interfacing to non-standard devices in non-standard ways. At the time BTAM was introduced, there was little standardization anyway. Like most of the System/360 programming interfaces, BTAM continued to be supported in later iterations of the system architecture. IBM finally withdrew support for BTAM in 2000.