Network for Sale

davids davids at webmaster.com
Thu Feb 22 22:39:02 UTC 2001



> And how does "delay" differ from RTT, except for the obvious constant
> factor?
>
> --Steve Bellovin, http://www.research.att.com/~smb

     The RTT is the sum of two delays. There is no simple way to separate
the two. In general, you don't even know what path the return packets are
taking. This same problem applies to trying to measure packet loss and using
the results to influence routing decisions.

    DS







More information about the NANOG mailing list