Improvement in Wireless TCP Using Modified Loss Differentiation Algorithm

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Provided by: International Journal Of Engineering And Computer Science
Topic: Networking
Format: PDF
TCP was designed to perform on wired networks, where packet loss is mostly caused by congestion, as compared to wireless networks, where losses due to error in channel are more likely. Hence TCP respond to all kind of losses by invoking congestion control and avoidance schemes resulting in performance degradation. In this paper, a modified loss discrimination algorithm is proposed which identifies the actual cause of packet loss and accordingly adaptively decreases the congestion window size in case of congestion loss and maintains the congestion window size in the case of wireless loss. Loss Differentiation Algorithms (LDAs) are used to identify the actual cause of the packet loss so as to improve the performance of the wireless network.
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