Nagysebességű kommunikációs folyamatok nem-stacionárius datagram forgalmának időbeli mintázata
On the time patterns of the nonstationary datagram based fast communication processes
Keywords:
datagram, high-speed network, nonstationarity, Fourier transform, nonlinearity, Wavelet transform, Empirical Mode Decomposition, Variational Mode Decomposition, /, datagram, nagysebességű hálózat, nem-stacionaritás, nem-linearitás, Fourier-transzformáció, Wavelet-transzformáció, Empirical Mode Decomposition, Variational Mode DecompositionAbstract
Nowadays expectations against modern communication services involve not just Quality of Service (QoS) enhancement for real-time applications but also increased transmission rate between the storing and processing of Big Data nodes. Transmission Control Protocol (TCP) has strict flow control of the data stream providing automatic adaptation to the path load of the process-to-process communication. User Datagram Protocol (UDP) based solutions are proposed to settle the communication efficiency. In this paper, we analyse the effect of three independent communication parameters on the efficiency of looped UDP communication: the size of the Maximum Transfer Unit (MTU), the bandwidth of the end-to-end session, and the segment size of the UDP protocol data unit. The usage of nonstationary multi-resolution methods helps to identify three characteristic patterns offering identification of the objective qualitative features of the UDP-based looped datagram communication services.
Kivonat
Napjainkban a modern kommunikációs rendszerekkel szembeni elvárások nem csupán a szolgáltatás minőségének (QoS) javítását jelentik a valós idejű alkalmazások számára, hanem a Big Data hubok tárolása és feldolgozása közötti megnövelt átviteli sebességet is. A Transmission Control Protocol (TCP) szigorúan szabályozza az adatfolyamot, így automatikusan alkalmazkodik a folyamatok közötti kommunikáció által használt útvonal terheléséhez. A tartalom átviteli hatékonyságának javítása céljából újabban az User Datagram Protocol (UDP) alapú megoldások javasoltak. Ebben a cikkben három független kommunikációs paraméter hatását elemezzük a visszacsatolásos UDP kommunikáció hatékonyságára vonatkozóan: a maximális átviteli egység (MTU) mérete, a végpontok közötti munkamenet sávszélessége és az UDP szegmens mérete. A nem stacionárius többfelbontású módszerek alkalmazása lehetővé tette három jellegzetes forgalom-mintázat megkülönböztetését, amely a visszacsatolásos datagram kommunikációs szolgáltatások objektív minőségi jellemzőinek beazonosítását szolgálja.
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