Reliability Modelling of Window Flow Control Scheme based on Packet Transmission Interval with Explicit Congestion Notification  
Author Mitsutaka Kimura


Co-Author(s) Mitsuhiro Imaizumi; Toshio Nakagawa


Abstract Recently, it is essential for the long-distance transmission such as cloud computing to provide the highly reliable communication. There are a problem of reduction in transmission efficiency caused by a packet loss from network congestion. In order to solve the problem, High-performance and Flexible Protocol (HpFP) has been proposed and studied. HpFP provides highly efficient packet communication in the protocol that throughput is adjusted by changing a packet transmission interval. We have discussed the reliability model of a window flow control scheme based on a packet transmission interval. Authors has proposed the model which judges the occurrence of congestion in a network by the number of retransmission. On the other hand, Explicit Congestion Notification (ECN) mechanism for the detection of incipient congestion has been already proposed. Since ECN bit is set before congestion occurs, this is efficient for the window flow control scheme. This paper considers a stochastic model of a window flow control scheme based on a packet transmission interval with ECN. If ECN bit has been set during connection, a packet transmission interval is prolonged. We derive the mean time until packet transmissions succeed, and analytically discuss an optimal policy.


Keywords HpFP, Network Congestion, Window Flow Control, Explicit Congestion, reliability
    Article #:  2472
Proceedings ISSAT International Conference on Reliability and Quality in Design 2018
August 2-4, 2018 - Toronto, Ontario, Canada