Multiscale Modeling of End-to-end Packet Dynamics of TCP Congestion Based on Round-trip Time
Muniandy, S.V., and Phuah, L.L., and Lim, S.C., and Jumari K., (2003) Multiscale Modeling of End-to-end Packet Dynamics of TCP Congestion Based on Round-trip Time. Jurnal Fizik Malaysia, 24 (3 & 4). 115. ISSN 0128-0333
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Universiti Kebangsaan Malaysia. School of Applied Physics.
Universiti Kebangsaan Malaysia. Computer Center.
Understanding the end-to-end packet delay dynamics of the Internet traffic is important for efficient congestion control mechanism, as it directly affects the Quality of Services of various applications. Empirical observations of the self-similar characteristics in LAN and WAN traffics have motivated the introduction of various scaling processes for the modelling of Internet time series. In this paper, we investigated the time taken for data packets transmitted from a source to a destination host and to return, also known as round-trip time (RTT). We have measured the RTT for UKM-Jaring-UKM over a period of one-month with probe packet size of 32 byte, at the sampling rate of one reading per minute. The time series is analyzed using wavelet method and we found that the q-th order moments of the wavelet coefficients exhibit nonlinear scaling behavior as a function of scales and order q. The singularity spectrum, further suggest that the RTT time series is multifractal.
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