#tcp

This is a guide to write a quick simple TCP client in pure python. First of all, why would anyone...

TCP Server Creating TCP servers in Python is just as easy as creating a client. You might...

"Reliable, ordered delivery over IP" is a fine one-line summary of TCP, and it's also the kind of...

TCP vs. UDP: Why Protocol Choice Actually Matters Almost everything you build sits on top...

The favourite use of SO_REUSEPORT goes like this: N worker processes listen on the same port, the...

A commit that landed in Chromium in December 2018 opens with: "We never enabled it by default, and...

In 2018 Cloudflare published three lines to fix nginx's HTTP/2 prioritization; two were for BBR and...

The password mechanism protecting BGP sessions dates from 1998: RFC 2385, an MD5 of the TCP segment....

The TCP header has carried two flags since 2001: ECE and CWR. When both are lit in a SYN, the client...

net.ipv4.tcp_keepalive_time = 7200. The most familiar line in any sysctl file, and the most familiar...

I'll open this one with a confession from my own server. The VPS that runs this blog and a handful of...

The first time you hear about Multipath TCP it sounds too good: let a single TCP connection flow over...