Performance Evaluation of TCP NewReno and TCP Vegas over LTE Network
Keywords:Long Term Evolution (LTE), Transmission Control Protocol (TCP), TCP NewReno, TCP Vegas,
AbstractLong Term Evolution (LTE) is a mobile broadband technology that can provide the implementation of wireless networks. It offers a variety of advantages such as better access speed, bandwidth capacity, architectural simplicity and ease of implementation, as well as breadth of type of user equipment (UE) that can access the LTE. The majority of Internet connections in the world are implemented using one of the transport protocols, i.e. TCP (Transmission Control Protocol) due to its reliability in transmitting packets in the network. TCP reliability lies on the ability to control congestion in the network. Formerly, TCP was originally designed for wired media which is more stable compared to wireless medium like LTE. Currently, there are many variants of TCP designed for better performance depending on its usage and network scenarios. In this paper, the performance evaluation is conducted to compare the performance of TCP NewReno and TCP Vegas based on simulation using NS-2. The TCP performance is analyzed in terms of throughput, RTT, packet loss and end-to-end delay. In comparing the performance of TCP NewReno and TCP Vegas, the simulation result shows that the throughput of TCP NewReno is a bit better than TCP Vegas, whereas TCP Vegas shows significantly better end-to-end delay and packet loss.
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