The networking industry likes to do this too. For example, VXLAN: > "It uses a VLAN-like encapsulation technique to encapsulate MAC-based OSI layer 2 Ethernet

The networking industry likes to do this too. For example, VXLAN: > "It uses a VLAN-like encapsulation technique to encapsulate MAC-based OSI layer 2 Ethernet frames within layer 4 UDP packets, ..." -- https://en.wikipedia.org/wiki/Virtual_Extensible_LAN Before that, MPLS: IPv6-in-IPv4 over PPPoE over HDLC over MPLS over an Ethernet VLAN inside a service provider's VLAN (Q-in-Q) over MPLS CSC to another ISP halfway across the country to ...