alexa Network Congestion Control over TCP Using BW Estimatio
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Special Issue Article

Network Congestion Control over TCP Using BW Estimation Technique

 
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Abstract

When multiple synchronized servers send data to the same receiver in parallel Transport Control Protocol (TCP) incast congestion happens in high-bandwidth and low-latency networks.In data-center applications such as MapReduce and Search, this manyto- one traffic pattern is frequent. Hence TCP incast congestion may severely degrade their performances, e.g., by increasing response time. In this paper, we study TCP incast in detail by focusing on the relationships between TCP throughput, round-trip time (RTT), and receive window. Unlike previous approaches, which mitigate the impact of TCP incast congestion by using a fine-grained timeout value, ouridea is to design an Incast congestion Control for TCP (ICTCP) scheme on the receiver side. In particular, our method adjusts the TCP receive window proactively before packet loss occurs. The implementation and experiments shows that almost zero timeouts and high goodput for TCP incast is achieved.

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