> In the best of all possible worlds, every router on the Internet would be running software that has the latest changes to minimize latency, usually fq_codel or CAKE. Unfortunately, not everyone can update as often as they would like, and router manufacturers are often years behind on rewriting their proprietary operating systems to include the newest fixes. Some are even back at PIE, a much older predecessor to CAKE.
how does someone justify moving from PIE to CAKE