Supporting the use of multiple packet I/O frameworks in a TCP/IP stack runnable in user space

Abstract

Past studies have demonstrated that one can achieve high-performance TCP/IP communication by using a packet I/O framework that allows a user-space TCP/IP stack to bypass most kernel-space networking subsystems. However, most publicly available implementations only support one packet I/O framework. This paper points out the importance of supporting multiple packet I/O frameworks in a single TCP/IP stack implementation through our development experience for enabling a TCP/IP stack implementation called iip to support the use of the widely used packet I/O frameworks, DPDK, netmap, and AF_XDP.