it gets even more fun if you think about what people are actually paying for. For instance, do you charge for the overhead of the Ethernet frame? What about ad

it gets even more fun if you think about what people are actually paying for. For instance, do you charge for the overhead of the Ethernet frame? What about additional size thanks to tunneling/encapsulation? One could argue that no, you should not charge a customer for that because that is part of local transport inside a layer 2 domain, which is not in control of the customer. But what about things like MPLS labels? you could go and on and on..