> churn due to 1.3 jillion sessions starting and stopping at arbitrary > times. but on the top of the hour is a concentration. You either keep the state there so there is no malloc()/free() churn (like BGP), or your opportunistic to let that memory be used for other parts of the system (lower level tasks in the router) which needs memory. > would love some analytics from zoom, which seems to be the conference > system of coice this season of the plague They make it scale with people, continuous monitoring, and management tools. Just like Google, Facebook, and Amazon do behind the scenes. Let’s face it Zoom uses IPv4 unicast with their great video/audio compression technologies with a great user interface. They got it right because it was their second time building the same product. Dino