I recently signed up for the Performance Internet plan with download speeds up to 60 Mbps. When I test the real-time speed, it usually hovers around 30 Mbps if not more, which is fine. However, each time I do video streaming, I am stuck with persistent buffering. It is really frustrating as I think 30 Mbps should allow seamless streaming. Any idea what is going on? I usually only have one or two devices connected to the WiFi.