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Erschienen in:
2018 | OriginalPaper | Buchkapitel
13. Rate Adjustment Mechanism for Controlling Incast Congestion in Data Center Networks
verfasst von : Prasanthi Sreekumari
Erschienen in: Information Technology - New Generations
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Abstract
Data Center Transmission Control Protocol (DCTCP) gained more popularity in academic as well as industry areas due to its performance in terms of high throughput and low latency and is widely deployed at data centers nowadays. According to recent research about the performance of DCTCP, the authors found that most of the times the sender’s congestion window reduces to one segment which results in timeouts. To address this problem, we modified the calculation of sender’s congestion window size for improving the throughput of TCP in data center networks. The results of a series of simulations in a typical data center network topology using Qualnet, the most widely used network simulator demonstrates that the proposed solution can significantly reduce the timeouts and noticeably improves the throughput by more than 10% compare to DCTCP under various network conditions.