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Encyclopedia > LU6.2

Logical Unit 6.2 is an IBM-originated communications protocol dating from 1974, associated with IBM's Systems Network Architecture. Systems Network Architecture (SNA) is IBMs proprietary networking architecture created in 1974. ...


A device-independent SNA protocol, it is used for peer-to-peer communications between two systems, for example, between a computer and a device (eg terminal or printer), or between computers. LU6.2 is used by IBM's CICS Intersystem Communications (CICS ISC). APPC is the protocol used with LU6.2 architecture. Systems Network Architecture (SNA) is IBMs proprietary networking architecture created in 1974. ...


LU6.2-compliant devices operate as peers within the network and can perform multiple simultaneous transactions over the network. LU6.2 devices can also detect and correct errors. The LU6.2 definition provides a common API for communicating with and controlling compliant devices. APPC is often used to refer to the LU6.2 architecture or to specific LU6.2 features.


Contrast to LU0, LU2, LU3.


 

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