You could think i’m sick but I really do have problems with information overload.
In the latest years, i’ve found that the only good way to really learn something complex is to segregate some days from the real life and do only this. A physical full immersion.
I’ve been to an mpls course that integrated some of my old knowledge on the matter and clarified some others issues.
It was necessary to acquire skills to plan and debug the protocols. implementation is trivial. difficult is to plan before and troubleshoot after.