Basic HTML version of Foils prepared Dec. 6 98

Foil 43 SDLC and derivatives (4)

From Introduction to Network WANs Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
LAP - Link-Access Procedure; LAPB - LAP Balanced
  • HDLC modified by ITU-T (formerly CCITT)
  • subset of HDLC; present in X.25 protocol stack
  • restricted to ABM transfer mode, appropriate for combined stations
IEEE802.2
  • HDLC modified by IEEE; very popular
  • often referred as Logical Link Control (LLC) incorporated in IEEE 802.3, 802.4, 802.5
QLLC - Qualified Logical Link Control
  • defined by IBM: enables SNA data to be transported across X.25 networks

© Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

If you have any comments about this server, send e-mail to webmaster@npac.syr.edu.

Page produced by wwwfoil on Sun Dec 6 1998