On Mon, Feb 25, 2008 at 11:46 PM, Tony Li <[EMAIL PROTECTED]> 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.
Tony, 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? Regards, Bill Herrin -- William D. Herrin [EMAIL PROTECTED] [EMAIL PROTECTED] 3005 Crane Dr. Web: <http://bill.herrin.us/> Falls Church, VA 22042-3004 -- to unsubscribe send a message to [EMAIL PROTECTED] with the word 'unsubscribe' in a single line as the message text body. archive: <http://psg.com/lists/rrg/> & ftp://psg.com/pub/lists/rrg
