vsocket:一种基于RDMA的兼容标准套接字加速方法

doi:10.11896/jsjkx.220800048

Computer Science ›› 2023, Vol. 50 ›› Issue (10): 239-247.doi: 10.11896/jsjkx.220800048

• Computer Network • Previous Articles Next Articles

vsocket:an RDMA-based Acceleration Method Compatible with Standard Socket

CHEN Yunfang, MAO Haotian, ZHANG Wei

School of Computer Science,Nanjing University of Posts and Telecommunications,Nanjing 210000,China

Received:2022-08-05 Revised:2022-12-09 Online:2023-10-10 Published:2023-10-10
About author:CHEN Yunfang,born in 1976,Ph.D,master supervisor.His main research interests include artificial intelligence algorithms,functional analysis of specific application areas,and application development using intelligent systems.ZHANG Wei,born in 1973,Ph.D,Ph.D supervisor.His main research interests include intelligent perception and cognition under UAV platform,privacy protection and artificial intelligence security.

Abstract

Abstract: In order to be compatible with Linux standard sockets and utilize RDMA to improve the performance of programs using sockets,this paper proposes to construct a middleware Viscore Socket adaptor,referred to as vsocket between the upper-la-yer application and the underlying RDMA.By intercepting the socket API,we seamlessly transfer the data stream sent and received by the upper-layer application through the Linux socket to the RDMA bearer.The vsocket bypasses kernel and implements memory management mechanism in user space for TCP and UDP.It utilizes RC type RDMA network to support TCP acceleration,uses UD type RDMA network to support UDP acceleration,and reuses Linux UDP to assist routing.Experimental results show that vsocket can ensure the compatibility of the Linux standard socket interface,get rid of the limitation of the Linux kernel network protocol stack,and improve the network performance.

Key words: Socket, Remote-direct memory access, Protocol acceleration

CLC Number:

TP393

CHEN Yunfang, MAO Haotian, ZHANG Wei. vsocket:an RDMA-based Acceleration Method Compatible with Standard Socket[J].Computer Science, 2023, 50(10): 239-247.

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