From an engineering point of view, DOCSIS 3.1 protocol messages are pretty mind-blowing. They travel almost at the speed of light through your coaxial cable – all to support your online life. Imagine pausing time and taking a peek at the conversation between the cable modem (CM) and the cable modem termination system (CMTS). Wait, we can! Let’s have a look using the XRA-31 real-time RF analyzer that we will be launching soon.