Blog Posts in June 2025
Interesting: Bootstrapping HTTPS
Jan Schaumann published an interesting blog post describing the circuitous journey a browser might take to figure out that it can use QUIC with a web server.
Now, if only there were a record in a distributed database telling the browser what the web server supports. Oh, wait… Not surprisingly, browser vendors don’t trust that data and have implemented a happy eyeballs-like protocol to decide between HTTPS over TCP and QUIC.
Cumulus Linux (As We Know It) Is Gone
A reader of my blog pointed out the following minutiae hidden at the very bottom of the Cumulus Linux 5.13 What’s New document:
NVIDIA no longer releases Cumulus VX as a standalone image. To simulate a Cumulus Linux switch, use NVIDIA AIR.
And what is NVIDIA AIR?