Adding :face: to every IP: Celebrating IPv6’s one-year anniversary

What this post added

This post details Facebook's adoption and internal implementation of IPv6, marking a significant step in supporting the growing number of internet-connected devices. It highlights the technical challenges faced, such as ensuring software compatibility with both IPv4 and IPv6, handling IP address representation and mathematics, and the ongoing work to make IPv6 support ubiquitous across their network. The post also notes the increase in IPv6 user adoption on Facebook from under 1% to over 4% in the year following World IPv6 Launch.