Improve your server performance using a relatively new feature of the Linux networking stack: the SO_REUSEPORT socket option. By Krishna Kumar HAProxy and NGINX are some of the few applications that use the TCP SO_REUSEPORT socket option of the Linux networking stack. This option, initially introduced in 4.4 BSD, is used to implement high-performance servers that help better utilize today's large multicore systems. The first few sections of this article explain some essential concepts of TCP/IP ...