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HDLC

 

Description

High-Level Data Link Control (HDLC)

 

Complete Definition

Bit-oriented synchronous data link layer protocol developed by ISO. Derived from SDLC, HDLC specifies a data encapsulation method on synchronous serial links using frame characters and checksums.

Wikipedia Definition

 

Standards/RFCs:

  • ISO 3309 — Frame Structure
  • ISO 4335 — Elements of Procedure
  • ISO 6159 — Unbalanced Classes of Procedure
  • ISO 6256 — Balanced Classes of Procedure
  • RFC 1662 - PPP in HDLC-like Framing
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