nanog mailing list archives
Re: Slashdot: Providers Ignoring DNS TTL?
From: "Stephen J. Wilcox" <steve () telecomplete co uk>
Date: Thu, 21 Apr 2005 01:31:04 +0100 (BST)
On Wed, 20 Apr 2005, Dean Anderson wrote:
On Wed, 20 Apr 2005 sthaug () nethelp no wrote:I'd rather expect this sort of behavior with anycasted servers...Where do you see any connection between anycast and ignoring DNS TTL? Or is this just part of your usual rant against anycast DNS service?The data he showed isn't necessarilly "ignoring ttl". If there are multiple anycasted caching servers behind a specific IP address, then those several cache's will each have a different state. Since, [as I
I fail to see the correlation still.. anycasted caches should all be operating independently getting their DNS data from authoritative sources. If at any point one of them uses a TTL that it has not received from the authoritative source it is ignoring the ttl, where does anycast get involved with this particular problem? thanks Steve
Current thread:
- Slashdot: Providers Ignoring DNS TTL? Fergie (Paul Ferguson) (Apr 19)
- Re: Slashdot: Providers Ignoring DNS TTL? Jim Popovitch (Apr 19)
- Re: Slashdot: Providers Ignoring DNS TTL? Crist Clark (Apr 19)
- Re: Slashdot: Providers Ignoring DNS TTL? Dean Anderson (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? sthaug (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Dean Anderson (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Chris Adams (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Valdis . Kletnieks (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Dean Anderson (Apr 22)
- Re: Slashdot: Providers Ignoring DNS TTL? Stephen J. Wilcox (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Dean Anderson (Apr 22)
- Re: Slashdot: Providers Ignoring DNS TTL? Stephen J. Wilcox (Apr 23)
- Re: Slashdot: Providers Ignoring DNS TTL? Dean Anderson (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Crist Clark (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Dean Anderson (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Patrick W. Gilmore (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? sthaug (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Steve Gibbard (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? sthaug (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Dean Anderson (Apr 20)
- Re: Slashdot: Providers Ignoring DNS TTL? Patrick W. Gilmore (Apr 20)