Receive Buffer based Path Management for MPTCP in heterogeneous networks

Jinhwan Kim, Bong-Hwan Oh, Jaiyong Lee
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引用次数: 18

Abstract

Multipath Transport Control Protocol (MPTCP) is a promising solution to support simultaneous transmission of packets through multiple paths. With bounded receive buffer and heterogeneous networks, MPTCP could suffer from degradation of its performances, undermining the advantage from multiple path transmission. In this paper, we propose a simple and effective method to manage the multiple paths of MPTCP, called Receive Buffer based Path Management (RBPM), which operates based on the available receive buffer size and dissimilar characteristics of multiple paths. The RBPM scheme estimates out-of-ordered packets, predicts the buffer blocking problem in advance and stops transferring over bad performance paths. We implement RBPM in the Linux kernel and evaluate its performances over a virtual network environment using NS-3 Direct Code Execution. The results show that the proposed scheme significantly improves the throughput and network utilization with bounded receive buffer in heterogeneous networks.
异构网络中基于接收缓冲区的MPTCP路径管理
多路径传输控制协议(MPTCP)是一种很有前途的解决方案,它支持通过多路径同时传输数据包。在有限的接收缓冲区和异构网络中,MPTCP可能会受到性能下降的影响,从而破坏了多路径传输的优势。本文提出了一种简单有效的MPTCP多路径管理方法,称为基于接收缓冲区的路径管理(RBPM),该方法基于可用的接收缓冲区大小和多路径的不同特性进行操作。RBPM方案可以估计乱序数据包,提前预测缓冲区阻塞问题,并停止在性能差的路径上传输。我们在Linux内核中实现RBPM,并使用NS-3直接代码执行在虚拟网络环境中评估其性能。结果表明,该方案显著提高了异构网络中有界接收缓冲区的吞吐量和网络利用率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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