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Re: [RRG] NTP and various proposals.
On Mon, Feb 25, 2008 at 11:46 PM, Tony Li <firstname.lastname@example.org> wrote:
> On Feb 25, 2008, at 7:11 PM, William Herrin wrote:
> > When the server is responding well and it's in sync, NTP backs off to
> > where it sends only a single query every thousand seconds or so.
> > That's more than enough time for the ITR to expire and remove the
> > cached ETR entry so that on the next attempt NTP sees: jitter.
> What this simply requires is that the cache be large enough to hold
> 18 minutes worth of correspondents. This does NOT seem impossible by
> any means.
Plug it in to your favorite map-encap scheme and and factor for the
need to keep the cache entry current and accurate during that 18
minute span of inactivity. Now ask the right question: not is it
possible in general but is it possible for that inactive cache
increase to be cost-effective?
William D. Herrin email@example.com firstname.lastname@example.org
3005 Crane Dr. Web: <http://bill.herrin.us/>
Falls Church, VA 22042-3004
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