Five equal-size datagrams of 10 Kbit belonging to the same message leave for the destination one...

 

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Five equal-size datagrams of 10 Kbit belonging to the same message leave for the destination one after another at a rate of 1 Mbps. However, they travel through different paths as shown below. The processing delays at each router is also given below. Assuming that the propagation speed is 2 108 m/s, and each datagram is stored and forwarded in each router, find the order the datagrams arrive at the destination. Datagram Path Length (km) Visited Switches Router Delay (ms) 1 5000 1,3,5 1 3 2 12000 1,2,5 2 10 3 15000 1,2,3,5 3 20 4 8000 1,4,5 4 8 5 6000 1,4,3,5 10 5 15 > < pkt3 pkt1 pkt2 pkt5 pkt4 > > > Five equal-size datagrams of 10 Kbit belonging to the same message leave for the destination one after another at a rate of 1 Mbps. However, they travel through different paths as shown below. The processing delays at each router is also given below. Assuming that the propagation speed is 2 108 m/s, and each datagram is stored and forwarded in each router, find the order the datagrams arrive at the destination. Datagram Path Length (km) Visited Switches Router Delay (ms) 1 5000 1,3,5 1 3 2 12000 1,2,5 2 10 3 15000 1,2,3,5 3 20 4 8000 1,4,5 4 8 5 6000 1,4,3,5 10 5 15 > < pkt3 pkt1 pkt2 pkt5 pkt4 > > >