Eugene S. Myakotnykh

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Dynamic change of speech encoding parameters is a way to manage the quality of VoIP communications in real-time in case of degradation due to congestion in the network. This paper investigates the effect of voice payload size and compression variation on VoIP quality under various network conditions. This must be known in order to choose the(More)
With the objective to better understand how the global Internet should achieve an availability in the order of “five nines”, i.e. be available 0.99999 of the time, active measurements were performed between Norway and China through the Global Research Network. End-to-end downtime statistics were collected during two 3-month periods, mid November 2009 till(More)
With the objective to better understand how the global Internet should achieve an availability in the order of five nines, i.e. be available 0.99999 of the time, active measurements were performed between Norway and China through the Global Research Network. End-to-end downtime statistics was continuously collected during a 3-month period up to mid February(More)
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