MPLS didn’t really address latency issues in the core - it scaled PE to PE connectivity by removing full table lookups at the P layer and replacing it with trun

MPLS didn’t really address latency issues in the core - it scaled PE to PE connectivity by removing full table lookups at the P layer and replacing it with truncated labels. However the main long-staying effect of MPLS is enabling L2 and L3 VPNs (VRFs).