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Efforts were made to integrate emerging Vehicular Ad-hoc Network (VANETs) with the mobile internet architecture through Road Side Unit (RSU) to enhance its operational capabilities for safety and non safety applications. Transmission Control Protocol (TCP) is one of the prominent protocol that contributes a considerable amount of internet traffic as the vast majority of internet applications such...
This paper analyses performance of competing TCP connections when running over different return channel satellite terminals (RCSTs) and competing for DVB-RCS return link bandwidth through DAMA mechanisms. A test campaign has been performed over a Linux-based satellite emulator supporting a multi-RCST configuration in a star-based architecture, with the main goal to evaluate TCP behavior in terms of...
We present active measurement results from a commercial IEEE 802.16/WiMAX-based network, with primary focus on TCP performance. We compare four TCP variants, namely New Reno, Cubic, Vegas and Veno, using throughput, round-trip time (RTT), and retransmission rate metrics. While all TCP variants achieve similar throughput, they do so in different ways, with different impacts on the network performance...
Transmission control protocol (TCP) provides reliable end-to-end communications between any two devices on the Internet. Slow start mechanism is used when a source machine starts sending data to a destination, or when a TCP connection suffers packet loss and a retransmission timeout has occurred. Congestion avoidance mechanism is then used to transmit information with sustainable data rate from the...
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