The Performance Characteristics of TCP with Network Coding in Power Line Communication Network

Transmission Control Protocol (TCP) still plays an essential role in various user applications for end-to-end reliable data transmission. However, TCP cannot get a high goodput performance in the lossy networks because it considers any packet loss to be a congestion signal and decreases the congestion window mistakenly. Therefore, TCP with Network Coding (termed TCP/NC) was proposed to recover the packet loss at the sink without retransmission if the number of coded packets is enough. However, the ACK packet needs to be sent for any arriving coded packet as a feedback of the end-to-end channel condition, resulting in a lower transmission performance in halfduplex networks, e.g., Power Line Communication. Therefore, we propose the ACK-Skipping scheme for TCP/NC to limit the number of ACK packets but still retain the necessary information, e.g., for channel estimation. The simulation result on ns-3 (Network Simulation 3) shows that the proposal achieves a higher goodput on PLC environment compared to TCP with Selective Acknowledgment and TCP Westwood+ as well as the recent variant of TCP/NC.

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Dynamic ACK skipping in TCP with Network Coding for Power Line Communication Networks

Hà

Hau

Tsuru

2020

2020 22nd International Conference on Advanced Communication Technology (ICACT)

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The Performance Characteristics of TCP with Network Coding in Power Line Communication Network

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Dynamic ACK skipping in TCP with Network Coding for Power Line Communication Networks

Dynamic ACK skipping in TCP with Network Coding for Power Line Communication Networks

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