[ntpwg] [dhcwg] NTP option: IP address and/or FQDN

Brian Utterback Brian.Utterback at Sun.COM
Mon Dec 10 12:49:55 UTC 2007


Richard Gayraud (rgayraud) wrote:
> Hello Alain,
>
> This is not really different, but the impact of it will be less
> important:
>
>   - If an hardcoded NTP IP address is shipped within a SOHO thing,
>     (as it happened in the past), then this IP address is dead, 
>     for good. Not usable anymore. Also, I suspect routers on the
>     path to this subnet are impacted, unless global internet
>     routing tables are updated to drop this traffic upstream.
>   
To elaborate, not only is the IP address forever dead, the bandwidth 
continues to be consumed.
I suspect that if we see many more such situations, there will have to 
be a mechanism
installed in the Internet routers like the certificate revocation 
protocol in PKI. A way to
tell all routers everywhere that certain IP addresses are never to be 
forwarded.

Brian Utterback


More information about the ntpwg mailing list