Below 1GE? Do not touch it!
Why VPN? Freifunk via L2-BSA.
Why hassle with the VPN-Overhead. With the availability of commodity SV-VDSL Hardware in Gluon , it’s now possible to replace Mesh-VPN with Mesh-DSL. What we learned in the process and how major projects and wireless backbone networks in particular can benefit from a "VPN-free" solution.