I ran an NTP server on a Raspberry Pi for some time. The bottleneck I kept hitting was the 65535 NAT translation limit on my Cisco router, at which point, load

I ran an NTP server on a Raspberry Pi for some time. The bottleneck I kept hitting was the 65535 NAT translation limit on my Cisco router, at which point, load was quite manageable on the Pi. It's extraordinary how much traffic one cheap device could service.