Regarding LPM for IP forwarding, there are similar high performance data structures: Luleå algorithm https://en.wikipedia.org/wiki/Lule%C3%A5_algorithm https://

Regarding LPM for IP forwarding, there are similar high performance data structures: Luleå algorithm https://en.wikipedia.org/wiki/Lule%C3%A5_algorithm https://en.wikipedia.org/wiki/Lule%C3%A5_algorithm or hybrid trees http://epubl.ltu.se/1402-1544/2007/15/LTU-DT-0715-SE.pdf http://epubl.ltu.se/1402-1544/2007/15/LTU-DT-0715-SE.pdf