Modeling Network Coded TCP Throughput: A …
Modeling Network Coded TCP Throughput: A Simple model and its ValidationMinJi KimMITCambridge, MA M dardMITCambridge, MA o BarrosUniversity of PortoPorto, analyze the performance of TCP and TCP with net-work coding (TCP/NC) in lossy wireless networks. We buildupon the simple framework introduced by Padhyeet characterize the throughput behavior of classical TCPas well as TCP/NC as a function of erasure rate, round-trip time, maximum window size, and duration of the con-nection. Our analytical results show that Network codingmasks random erasures from TCP, thus preventing TCP sperformance degradation in lossy networks ( wirelessnetworks). It is further seen that TCP/NC has signifi-cant throughput gains over TCP. Our analysis and simu-lation results show very close concordance and support thatTCP/NC is robust against erasures.
Modeling Network Coded TCP Throughput: A Simple Model and its Validation MinJi Kim MIT Cambridge, MA 02139 minjikim@mit.edu Muriel Médard MIT Cambridge, MA 02139
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