Graphics Programs Reference
In-Depth Information
p idle 1
p idle 2
t arrival 1
t arrival 2
t start tx 1
t end tx 1
t start tx 2
t end tx 2
p wait 1
p transmit 1
p wait 2
p poll 2
p transmit 2
t move 2−3
p poll 1
t proceed 1
p move 1−2
t move 1−2
t proceed 2
p move 2−3
t move 3−1
p move 3−1
t proceed 3
p poll 3
p transmit 3
p wait 3
t end tx 3
t start tx 3
t arrival 3
p idle 3
Figure 1.10:
PN description of a token ring LAN with three users
 
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