Enhancing TCP Incast congestion control over large-scale datacenter networks

Lei Xu, Ke Xu, Yong Jiang, Fengyuan Ren, Haiyang Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

Many-to-one traffic pattern in datacenter networks introduces the problem of Incast congestion for Transmission Control Protocol (TCP) and puts unprecedented pressure to the cloud service providers. To address heavy Incast, we present an Receiver-oriented Datacenter TCP (RDTCP). The proposal is motivated by oscillatory queue size when handling heavy Incast traffic and substantial potential of receiver in congestion control. Finally, RDTCP adopts both open- and closed-loop congestion controls. We provide a systematic discussion on its design issues and implement a prototype to examine its performance. The evaluation results indicate that RDTCP has an average decrease of 47.5% in the mean queue size, 51.2% in the 99th-percentile latency in the increasingly heavy Incast over TCP, and 43.6% and 11.7% over Incast congestion Control for TCP (ICTCP).

Original languageEnglish (US)
Title of host publication2015 IEEE 23rd International Symposium on Quality of Service, IWQoS 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages225-230
Number of pages6
ISBN (Electronic)9781467371131
DOIs
StatePublished - Feb 10 2016
Externally publishedYes
Event23rd IEEE International Symposium on Quality of Service, IWQoS 2015 - Portland, United States
Duration: Jun 15 2015Jun 16 2015

Publication series

Name2015 IEEE 23rd International Symposium on Quality of Service, IWQoS 2015

Other

Other23rd IEEE International Symposium on Quality of Service, IWQoS 2015
CountryUnited States
CityPortland
Period6/15/156/16/15

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