Linux TCP SO_REUSEPORT: Usage and Implementation
Linux TCP SO_REUSEPORT: Usage and Implementation 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-performanc
RFC 9293: Transmission Control Protocol (TCP)
Stream: Internet Engineering Task Force (IETF) STD: 7 RFC: 9293 Obsoletes: 793, 879, 2873, 6093, 6429, 6528, 6691 Updates: 1011, 1122, 5961 Category: Standards Track Published: August 2022 ISSN: 2070-1721 Author: RFC 9293 Transmission Control Protocol (TCP) Abstract This document specifies the Transmission Control Protocol (TCP). TCP is an important transport-layer protocol in the Internet protoco
When TCP sockets refuse to die — Idea of the day
This article was first published on Cloudflare blog: When TCP sockets refuse to die Accompanying scripts While working on our Spectrum server, we noticed something weird: the TCP sockets which we thought should have been closed were lingering around. We realized we don't really understand when TCP sockets are supposed to time out! In our code, we wanted to make sure we don't hold connections to de
Anycast TCP
What is Anycast Routing? Requirements for Anycast TCP Breaking down the problem Anycast TCP architecture Optimizations Issues and Criticisms Implementation notes What is Anycast Routing? There are four general kinds of routing: unicast, broadcast, multicast and anycast. Unicast: I send a packet to an IP address and it routes to that one unique computer configured with that IP address. Broadcast: I
TCP Tracepoints
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TCP Fast Open? Not so fast! | APNIC Blog
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