Hi,
On the 54th slide, "R2 sets up one LSP to 2.2.2.2 (green LSP) and R5 sets up one LSP to 3.3.3.3 (blue LSP)." however R5 is in AS Z and 3.3.3.3 between AS X and AS Y. Isn't MPLS supposed to work inside an area ? I think it could be a typo otherwise R4 should be the one setting up the green LSP to 2.2.2.2.
Best regards,
Ali