Acer ISDN 128 Surf USB Bedienungsanleitung PDF herunterladen (Seite 13)

Behind the test we measured a loss of 3 packets and delay just about 180ms. This relative

big delay is caused using of WiFi equipment. The WiFi use an air-interface which could be

disturbanced with many of noises hence data must be very good protected with scrambling,

Reed Saalamon, CRC, etc. This operations need a lot of time. The total delay is a sum of all

delay. It mean sum of algorithm delay, transport delay

Tab. 7 -Product of test

On the second side we receive data via CRUDE and then plot it via qosplot and gnuplot. See

follow diagrams:

Fig. 6 - Throughput of flow

Filename, stream

Approximation of flow G.723.1

Packets sent

5911

Packets received

5908

Packets lost

Loss rate (IPLR) [-]

0,17.10

-3

Max. throughput [b/s]

18304,00

Min. throughput [b/s]

0,00

Average throughput [b/s]

13660,98

Max. delay [ms]

183058,28

Min. delay [ms]

183057,61

Average delay (IPTD) [ms]

183057,65

Max. delay variation [ms]

0,54

Min. delay variation [ms]

-0,03

Average delay variation (AvIPDV) [ms]

0,00

IP Packet Error Ratio, IPER

Un-measured

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 36 37

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Acer ISDN 128 Surf USB Bedienungsanleitung Seite 13