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Chapter 1
Synchronous Data Link Control Overview
This chapter describes the following Synchronous Data Link Control (SDLC)
features and services:
• SDLC networking
-- Link station roles
-- Primary SDLC support
-- Secondary SDLC support
-- Enhanced synchronous pass-through
-- Transmission capabilities
-- SDLC support over MCT1 links
-- Physical connections
-- Frame format
• Using APPN and DLSw services with SDLC
Read this chapter if you are configuring Advanced Peer-to-Peer Networking
(APPN) or Data Link Switching (DLSw) networks. SDLC parameter settings can
influence APPN and DLSw performance.
SDLC Networking
SDLC is the synchronous, bit-oriented link control protocol in the IBM Systems
Network Architecture (SNA). SDLC’s connection-oriented protocol operates with
the Data Link Switching (DLSw) protocol and the Advanced Peer-to-Peer
Networking (APPN) architecture.
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