McAuley, Bruce J.2017-01-082017-01-081984http://hdl.handle.net/10092/12984The aim of this project was to produce a Simula program that will model the ISO HDLC Asynchronous Balanced Mode (ABM) protocol. This program can be used firstly to provide a tool for performance evaluation of the HDLC controlled data links and secondly, to provide more insight into how the various parameters of an HDLC implementation and the data channel characteristics influence the performance.enDiscussion / Working PapersField of Research::08 - Information and Computing Sciences