MPing - A Windowed Ping

• Sends windows full of ICMP Echo or UDP Port Unreachable packets

• Shows packet throughput and loss under varying load (window sizes)

5

4

3

2

1

bad things happen

Example: window size = 5

transmit

1

2

5

comes back

6

recv 1

(can send ack 1 + win 5 = 6)

7

recv 2

(can send ack 2 + win 5 = 7)

10

recv 5

(can send ack 5 + win 5 = 10)

11

recv 6

(can send ack 6 + win 5 = 11)

9

8

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