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TTl vs Expire?

From: Sam Lewis
Date: Thursday, June 15, 2000
Time: 10:35:47 am

Hello,

I'm getting ready to change subnets again. In the past a week out I
would change the TTLs on all my domains to 24 hours. Then the day
before the change I would change the TTLs to 1 hour. Make the change
with Internic, wait for confirmation, switch IPs at 10pm eastern and
pray they got it right. Then after everything is working I would up
my TTLs back to normal levels.

So I was getting ready to change all of my TTLs to 24 hours in
preparation for our move next week when I noticed that they were
already at 24 hours. Is this causing a performance hit on my data?
What should a normal TTL be?

I also noticed that the Expires is set at 302400 which is 84 hours.
Not sure where this number came from or if it was the default. But my
question is what is the difference between Expires and TTL? Should
the Expires be set low also to prepare for this switch over?


thanks,

--

Sam Lewis, V.P. Technology

Tehabi Books http://www.tehabi.com/
1201 Camino Del Mar, Suite 100, Del Mar, CA 92014
Tel: 626-852-0956 Fax: 916-404-5698 mailto:Sam@tehabi.com



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