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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: VeriSign's rapid DNS updates in .com/.net
----- Original Message ----- From: "Daniel Karrenberg" <[email protected]> To: "Paul Vixie" <[email protected]> Cc: <[email protected]> Sent: Thursday, July 22, 2004 3:05 PM Subject: Re: VeriSign's rapid DNS updates in .com/.net > > On 22.07 17:08, Paul Vixie wrote: > > > > .... therefore if there were a drop in TTL for root-zone data, it would > > only be a multiplier against 2.1% of f-root's present volume. > > I am not worried so much about the root servers here because of the > reasons you cite. The root server system is engineered to cope with > hugely excessive loads already. > I am worried about all the other root servers that have to deal with > much lesser query loads and might feel the impact of lowered TTLs > much more. > > > ... and the impact of > > having it in many TLD's will be to put downward pressure on TTL's. this > > all needs to be looked at very carefully. > > Yes, we need to keep an eye on this and argue against lowering TTLs > across the board for little good reasion. > > Infospace / Authorize Net and their successors have their ttl's set for 10 minutes and that just plain goofy. Plus, TTL's at 600 or below have always been the calling card for a spammer; . . . er not that I am accusing them of spamming, rather they are just straining dns queries. Peter
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