FD.io: The World's Secure Networking Data Plane

 https://github.com/tim-fiola/network_traffic_modeler_py3

Network | Tool

FD.io is a very fast userspace networking library, which allows to create programs for packet processing. While DPDK allows fast read and write access to the NICs, FD.io is foccussed on processing the packets. Possible use cases are a packet forwarder, implementing a NAT, or a VPN.

More details also in this APNIC blogpost: https://blog.apnic.net/2020/04/17/kernel-bypass-networking-with-fd-io-and-vpp/