Payload size randomization scheme for TCP fairness in data center networks데이터센터 환경에서 TCP 공정성을 위한 페이로드 크기 난수화 기법

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dc.contributor.advisorLee, Dongman-
dc.contributor.advisor이동만-
dc.contributor.authorLee, Soojeon-
dc.contributor.author이수전-
dc.date.accessioned2018-05-23T19:38:29Z-
dc.date.available2018-05-23T19:38:29Z-
dc.date.issued2017-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=675854&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/242085-
dc.description학위논문(박사) - 한국과학기술원 : 전산학부, 2017.2,[vi, 65 p. :]-
dc.description.abstractAs many-to-one traffic patterns prevail in data center networks, TCP flows often suffer from severe unfairness in sharing bottleneck bandwidth, which is known as the TCP outcast problem. The cause of the TCP outcast problem is the bursty packet losses by a drop-tail queue that triggers TCP timeouts and leads to decreasing the congestion window. This paper proposes TCPRand, a transport layer solution to TCP outcast. The main idea of TCPRand is the randomization of TCP payload size, which breaks synchronized packet arrivals between flows from different input ports. Based on the current congestion window size and the CUBIC’s congestion window growth function, TCPRand adaptively determines the proper level of randomness. With ns-3 simulation and extensive experiments, we show that TCPRand guarantees the superior enhancement of TCP fairness by reducing the TCP timeout period noticeably even in an environment where serious TCP outcast happens. TCPRand also minimizes the total goodput loss since its adaptive mechanism avoids unnecessary payload size randomization.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectData center networks-
dc.subjectTCP outcast-
dc.subjectTCP fairness-
dc.subjectPayload size randomization-
dc.subjectTransport layer solution-
dc.subject데이터 센터 네트워크-
dc.subjectTCP 아웃캐스트-
dc.subjectTCP 공정성-
dc.subject페이로드 크기 난수화-
dc.subject전송 계층 솔루션-
dc.titlePayload size randomization scheme for TCP fairness in data center networks-
dc.title.alternative데이터센터 환경에서 TCP 공정성을 위한 페이로드 크기 난수화 기법-
dc.typeThesis(Ph.D)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :전산학부,-
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