Source 1 10 Mbps Ethernet Router Dest 1.5 Mbps T1 Link 100 Mbps - - PDF document

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Sep 02, 2022 530 likes •809 views

Source 1 10 Mbps Ethernet Router Dest 1.5 Mbps T1 Link 100 Mbps FDDI Source 2 Source 1 Router Dest 1 Router Source 2 Router Dest 2 Source 3 Power = Throughput Delay Optimal Load Load Flow 1 Flow 2 Service Flow 3 Flow 4

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Router Source 1 Source 2 Dest

10 Mbps Ethernet 100 Mbps FDDI 1.5 Mbps T1 Link

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Router Source 1 Source 2 Router Router Source 3 Dest 1 Dest 2 Power = Throughput Delay Load

Optimal Load

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Flow 1 Flow 2 Flow 3 Flow 4 Service

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F=5 F=8 Flow 1 F=10 Flow 2 Output Flow 1 F=10 Flow 2 Output F=2 (arriving) (being sent)

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Source Destination . . .

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1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 Time in seconds 10 20 30 40 50 60 70 KB

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Source Destination . . .

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1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 Time in seconds 10 20 30 40 50 60 70 KB

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segment 1 segment 2 segment 3 segment 4 segment 5 segment 6 retransmit segment 3 ack 1 ack 2 ack 2 ack 2 ack 2 ack 6

1.0 2.0 3.0 4.0 5.0 6.0 7.0 Time in seconds 10 20 30 40 50 60 70 KB

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Previous Cycle Current Cycle

Time Queue Length

Current Time Averaging Interval

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MaxThreshold AvgLength MinThreshold

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0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 Time in seconds 10 20 30 40 50 60 70 KB

110 220 330 440 550 660 770 880 990

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 Time in seconds 100 200 300 400 500 600 700 800 900 1000 1100 Sending KB/S

110 220 330 440 550 660 770 880 990

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 Time in seconds 5 10 Queue size in router

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0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 Time in seconds 10 20 30 40 50 60 70 KB

110 220 330 440 550 660 770 880 990

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 Time in seconds 40 80 120 160 200 240 CAM KB/S

110 220 330 440 550 660 770 880 990

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Flow 1 Flow 2 Output

1 2 3 4 5 1 2 3 4 2 4 6 1 2 2 4 3 4 6

Real Time (ms)

5 6 5 6 6 7 8 9 10

Flow 1

6 8 10 12

Flow 2

7 6 8 8 9 10 10

Output

6 8 8 8 8 9 8 9 10 9 10 12 10

Queue

10 inserted into queue, 12 dropped

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