> MLDEV on ITS would, I think, fit under that description.
>
> I don't know if there's a paper on it; it's mid-70's.
>
>
A web search for "its mldev" finds several things (mostly by Lars Brinkhoff
it seems) , including
https://github.com/larsbrinkhoff/mldev/blob/master/doc/mldev.protoc