[ntp:questions] Speed of ntp convergence
malayter at gmail.com
Mon Nov 3 16:07:44 UTC 2008
On Sun, Nov 2, 2008 at 3:27 PM, David Woolley
<david at ex.djwhome.demon.co.uk.invalid> wrote:
> Richard B. Gilbert wrote:
>> The internet of today is similar. It may be a little better but I
>> wouldn't count on it!
> For one thing, the components from which it is made are 1,000 times
> faster and have 1,000 times the memory.
> (There are other differences, like the de-skilling of sytem management.)
More significant is that the "backbone" of the Internet is no longer
centrally controlled by an orginzation like DARPA. So one of the major
design assumptions of NTP - symmetric routing of packets - is no
longer valid. Asymmetric routes are now the rule rather than the
exception (unless all traffic is local inside the same ISP).
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