Today, when looking into #ipv4/#ipv6 issues, I learned about #happyeyeballs (https://en.wikipedia.org/wiki/Happy_Eyeballs).

Such a pretty name for such an annoying problem.

TIL "Happy Eyeballs" (aka RFC8305).
https://datatracker.ietf.org/doc/html/rfc8305
#happyeyeballs #rfc8305

Weekend Reads:

* DNSSEC measured https://www.potaroo.net/ispcol/2023-09/dnssec-queries.html
* Flow distribution with ECMP https://dipsingh.github.io/Flow-Distribution-Across-ECMP/
* DNS resolver fuzzing https://publications.cispa.saarland/4033/
* Adaptive address family selection https://arxiv.org/abs/2309.05369
* US DoD cybersecurity strategy https://media.defense.gov/2023/Sep/12/2003299076/-1/-1/1/2023_DOD_Cyber_Strategy_Summary.PDF

Multiplication Fact Enlightment️

We were over the moon to discover the mathematical beauty of multiplication from a Mathologer video.

Learn how to create multiplicative designs like this and so much more:  https://youtu.be/qhbuKbxJsk8

Some time ago, I debugged and fixed an interesting issue, related to fail behaviour of TCP connection establishment... read the writeup at https://semgrep.dev/blog/2023/http-request-failed-timeout-issue-in-ocaml (reminds me of an issue from a while ago where I had to dig through the entire stack https://hannes.robur.coop/Posts/BadRecordMac )

TL;DR: sit down and rethink your failure possibilities (including drop and reset), or you've to deal with timeouts...

#TIL - #HappyEyeballs - https://en.wikipedia.org/wiki/Happy_Eyeballs - https://github.com/nodejs/node/issues/41625