Linux Community Introduces IPv6-Only Build Option, Deprecates Legacy IPv4
The Linux community has introduced new patches that allow for the building of an IPv6-only Linux kernel, with an option to deprecate 'legacy' IPv4. This development, led by Amazon/AWS engineer David Woodhouse, includes a series of six patches that add a CONFIG_LEGACY_IP option, enabling the toggling of IPv4 support during the kernel build process. While the patches were released on April 1st, Woodhouse clarified that the intention behind them is genuine, aiming to separate IPv4 and IPv6 configurations more effectively. The patches currently issue a warning if a process attempts to use a legacy IP socket, marking IPv4 for deprecation. This move is part of a broader effort to modernize the Linux kernel and prepare it for future networking environments that may prioritize IPv6. 
