I work on VPP (a fast userspace based dataplane implementation https://fd.io/), and helped contribute the ability for this dataplane to consume Netlink messages (github.com/pimvanpelt/lcpng)

One thing that I've been asked about quite a bit is the ability to program the VPP dataplane with MPLS forwarding. I use Bird2 in my own deployment (https://ipng.ch/s/articles/2021/09/21/vpp-7.html) and was wondering what the current thinking is for Bird to support signalling with LDP. Last I saw was:

- https://bird.network.cz/pipermail/bird-users/2017-September/011528.html

- https://birdofluck.livejournal.com/8996.html

- https://git.nic.cz/redmine/projects/bird/repository/show?rev=mpls

- https://bird.network.cz/pipermail/bird-users/2018-September/012760.html