Such problems are enabled by the mix of having multiple organizations responsible for the path, there being more traffic than it can handle and the organizations not coming to terms on how to handle that. In the case of Verizon and Netflix, the division between Verizon's enterprise and residential services meant that the enterprise division thought that they had not been paid for the traffic.
How would breaking up Verizon solve a problem caused by Verizon's internal divisions being separate?
How would breaking up Verizon solve a problem caused by Verizon's internal divisions being separate?