HDLC protocol exercises
HDLC protocol exercises
HDLC protocol exercises
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DTE A → DTE B01 SABM01 I 0,1 “Hello, it’s me”03 REJ 2 P/F01 I 1,3 “Fine.”01 I 2,3 “And you?”01 I 1,4 “Fine.”01 I 2,4 “And you?”01 DISC/RDDTE B → DTE A01 SARM/DM01 UA03 I 0,0 “Hi”03 I 1,1 “Hello”03 I 1,1 P/F “Hello”03 I 2,1 “How are you?”03 I 3,1 “Ciao!”01 REJ 101 RR 301 UAFigure 5: Analysis of an <strong>HDLC</strong> trace<strong>HDLC</strong> <strong>protocol</strong> <strong>exercises</strong> 6