[draft-ietf-sidrops-8210bis](https://datatracker.ietf.org/doc/draft-ietf-sidrops-8210bis/). But probably not in the immediate future, because since [BGPsec is still axed](https://github.com/NICMx/FORT-validator/issues/58#issuecomment-941977925), Fort's RTRv1 is a joke.