Improving the Incast Performance of Datacenter TCP by Using Rate-Based Congestion Control

Jingyuan WANG; Yunjing JIANG; Chao LI; Yuanxin OUYANG; Zhang XIONG

doi:10.1587/transfun.E97.A.1654

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences

Online ISSN : 1745-1337
Print ISSN : 0916-8508

Regular Section

Improving the Incast Performance of Datacenter TCP by Using Rate-Based Congestion Control

Jingyuan WANG, Yunjing JIANG, Chao LI, Yuanxin OUYANG, Zhang XIONG

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Keywords: datacenter, rate-based, TCP congestion control

JOURNAL RESTRICTED ACCESS

2014 Volume E97.A Issue 7 Pages 1654-1658

DOI https://doi.org/10.1587/transfun.E97.A.1654

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Abstract

We analyze the defects of window-based TCP algorithm in datacenter networks and propose Rate-based Datacenter TCP (RDT) algorithm in this paper. The RDT algorithm combines rate-based congestion control technology with ECN (Explicit Congestion Notification) mechanism of DCTCP. The experiments in NS2 show that RDT has a potential to completely avoid TCP incast collapse in datacenters and inherit the low latency advantages of DCTCP.

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