3 ms·Can you elaborate? The metaphor is a good description of how a VPN works, if not plain old TCP/IP.by strken 7mo agoCan you elaborate? The metaphor is a good description of how a VPN works, if not plain old TCP/IP.IshKebab 7mo agoIP packets have the source address in them so you can directly reply. It's not hierarchical.strken 7mo agoSure, but a VPN makes it hierarchical by rewriting packets.