Re-read the post, there’s more in the path than just your client and server code, and network switches aren’t the problem. The “middle boxes and proxy servers”

Re-read the post, there’s more in the path than just your client and server code, and network switches aren’t the problem. The “middle boxes and proxy servers” are legion and you can only mitigate their presence. You’ve been offered the gift of wisdom. It’d be wise on your part to pay attention, because you clearly aren’t.