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Communications Programming Concepts
Synchronous Data Link Control Overview
Synchronous data link control (DLCSDLC) is one of the generic data link
controls. It provides an access procedure for transparent and code-independent
information interchange across teleprocessing and data networks, as defined
in the SDLC Concepts document.
The list of architecture supported by DLCSDLC includes:
- Normal disconnected mode (NDM) and normal response mode (NRM)
- Two-way alternate (half-duplex) data flow
- Secondary station point-to-point, multipoint, and multi-multipoint configurations
- Primary station point-to-point and multipoint configurations
- Modulo 8 transmit-and-receive sequence counts
- Nonextended (single-byte) station address.
For more information about DLCSDLC controls, see:
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