TAG
We investigated why firmware updates were causing our core servers to take four hours to reboot. By diving into UEFI data structures and iPXE automation, we eliminated unnecessary timeouts and cut boot times back down to minutes.
We investigated a bug where CUBIC's congestion window became pinned at its minimum floor, causing a performance to plummet. The fix involved correctly measuring idle periods to distinguish RTT wait times from actual application idleness.
Cloudflare IPsec now has generally available support for post-quantum encryption via hybrid ML-KEM. We’ve confirmed interoperability with Cisco and Fortinet.
