8 stories tagged tcp, newest first.
![Screenshot of youtube.com: Homa: The end of TCP for AI clusters [video]](https://hn.urlbox.com/shots/renders/2026/10/4/cc29e144-96cb-4fc8-a781-e61a3640372d.jpg)
70 points by signa11 | 36 comments
AI Engineer World's Fair talk video in which Stanford's John Ousterhout presents Homa, a transport protocol proposed to replace TCP in AI datacenter clusters.
10 points by tenesripranav | 0 comments
A Lupyd blog post arguing that QUIC stream multiplexing beats traditional TCP connection pooling for Postgres over WAN, with benchmark numbers.
446 points by eieio | 160 comments
Marc Brooker's blog post arguing that Nagle's algorithm is outdated and TCP_NODELAY should be enabled to avoid latency issues in distributed systems.
327 points by signa11 | 149 comments
A blog post by Moncef Abboud giving a deep dive into how TCP works, with detailed examples and a step-by-step walkthrough of its internals.
398 points by nateb2022 | 141 comments
GitHub repository for Portspoof, a tool that makes all 65535 TCP ports appear open and emulates valid service signatures to confuse port scanners.
593 points by Shank | 270 comments
ACM Digital Library page for a WWW '24 research paper finding that QUIC underperforms TCP-based HTTP/2 on high-bandwidth networks.
744 points by todsacerdoti | 232 comments
Marc Brooker's blog post arguing that Nagle's algorithm causes latency issues in distributed systems and TCP_NODELAY should be enabled by default.
399 points by dreampeppers99 | 93 comments
GitHub repository explaining where Linux network sysctl variables fit into the kernel's network packet flow, aimed at performance tuning.