Research on High Performance Transmission Technology of DC Based on Network Awareness

Yanwei Wang, Cheng Huang, J. Fan, Le Yang, Hongwei Kan, Gaoming Cao
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Abstract

In recent years, RDMA over Converged Ethernet (RoCE) provides high performance data transmission for Data center (DC). RoCE has excellent performance in lossless network, but when the network environment is unstable, the transmission performance of RoCE will decline rapidly. This paper proposes a DC network transmission technology based on network awareness. By monitoring the network status, the network status can be updated in real time. The transmission mechanism can be adjusted dynamically. In order to support the transmission in harsh environment, this paper constructs DC-TCP transmission based on Data Plane Development Kit (DPDK) TCP and DC-RoCE transmission based on RoCE, and designs a high-performance DC-TCP / DC-RoCE fusion technology framework. The simulation results show that the DC network transmission technology based on network awareness significantly improves the transmission capacity of the DC in complex environment.
基于网络感知的数据中心高性能传输技术研究
近年来,RDMA over Converged Ethernet (RoCE)技术为数据中心(DC)提供了高性能的数据传输。RoCE在无损网络中具有优异的性能,但当网络环境不稳定时,RoCE的传输性能会迅速下降。提出了一种基于网络感知的直流网络传输技术。通过对网络状态的监控,可以实时更新网络状态。传动机构可动态调整。为了支持恶劣环境下的传输,本文构建了基于数据平面开发工具包(DPDK) TCP的DC-TCP传输和基于RoCE的DC-RoCE传输,并设计了高性能的DC-TCP / DC-RoCE融合技术框架。仿真结果表明,基于网络感知的直流网络传输技术显著提高了直流在复杂环境下的传输能力。
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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