Me and my friends have our own little streaming website and manage to get 1~2 seconds delay.... It's nothing fancy, NGINX with the RTMP plugin from which we get

Me and my friends have our own little streaming website and manage to get 1~2 seconds delay.... It's nothing fancy, NGINX with the RTMP plugin from which we get the streams, it only passes them trough, once we added encoding we had a noticeable delay. This is flash tech that can be run as html 5 now, but I didn't see this within your list so perhaps you haven't looked at it.