In addition, I am unsure why we necessarily want to distinguish IP overlays from MPLS overlays, as use of MPLS as a general IP transport mechanism means it is likely that the two may functionally overlap. [Linda]When MPLS is used for IP transport, another layer of MPLS header is added to the data frame. I would think that the reason to distinguish IP overlays from MPLS overlays is distinguish the scope of NV03 WG from L2VPN WG and L3VPN WG. Linda --
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