[asterisk-users] Re: Open CallerID Database?
Benny Amorsen
benny+usenet at amorsen.dk
Tue Feb 20 13:11:06 MST 2007
>>>>> "ML" == Mike Lynchfield <theclubvoip at gmail.com> writes:
ML> Well caching is the way to go., bu then again most of the current
ML> solutions have this problem.
ML> John smit has a DID.. 514 555 1234 and closes account.. did sleeps
ML> for 3 months and new client Jane doe takes it..
ML> Now how long should caching be ? this is a big problem ATM because
ML> some cache for 1 year others 1 day , they don't want to tell how
ML> long nor provider an API update method.
The actual records should have TTL's of a few hours, perhaps a day.
The rest of the hierarchy can probably get away with longer TTL's,
especially close to the root. It's the same thing with the root in
regular DNS: You can cache the set of records in the root zone for a
long long time, since noone is going to suddenly move all the .com
nameservers.
/Benny
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