Connection Analysis

 

SQDP01: Duplicate Packets greater than 0

Duplicate packets should not occur if the connection is good quality. Consider this real life example. Imagine having a telephone conversation where the line is crystal clear. In such a call it is unlikely that you will have the need to repeat anything you say. Now imagine a bad connection like a poor cell phone call where you ask a question but due to the poor quality you do not hear the answer. In such a call you will wait a short while (timeout) and then you will repeat the question. TCP is not quite the same as this example because the other party on hearing the question will answer again whereas TCP does not, it just ignores the duplicate. Regardless of the TCP versus human behaviour differences there is one important common factor, the phone conversation slows down as a result of the poor quality.

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