b. Draw a sequence diagram to document the interprocess communication between P1, P2, and P3.
In a distributed system three processes P1, P2, P3 are engaged in interprocess communication. Suppose the following sequence of events occurred:
At time 1, P3 issues a receive from P2.
At time 2, P1 sends m1 to P2.
At time 3, P2 issues a receive from P1.
At time 4, P2 receives m1.
At time 5, P2 sends message m1 to P3.
At time 6, P3 receives m1; P1 issues receive from P2.
At time 7, P2 issues a receive from P3.
At time 8, P3 sends m2 to P2.
At time 9, P2 receives m2.
At time 10, P2 sends m2 to P1.
At time 11, P1 recieves m2.
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