Search Again: Re: Root server selection algorithm From: Sigurdur Ragnarsson Date: Friday, October 3, 1997 Time: 6:52:00 pm >> QuickDNS uses an algorithm which favors the server with the shortest >> response time. > >As pragmatic as that algorithm seems, it doesn't fare well when root >servers are handing out incorrect information. I realize that is beyond >your control, but I'm wondering if it is possible to take corrective >measures when something like this happens so that QDNS minimizes the >impact. > >Currently, the best I can do is just reset the cache repeatedly. > This is one of the issues where finding an acceptable solution is hard, if not impossible. Who can you trust for reliable DNS information if not the root servers? >> You might be interested in checking the following article, relating >> to the root server problem you experienced: >> >> http://www2.pageplop.com/pageplop/serverstatus.html > >Funny you should mention that. I'm the SysAdmin at PagePlop and I helped >write the article (my email is also mikey@pageplop.com). In fact, QDNS's >selection algorithm is what caused us to first notice that the H root >server was acting up. > > Another list subscriber had informed the list already... (Mild blush ;-) --- Sigurdur Ragnarsson mailto:siggi@menandmice.com Men & Mice http://www.menandmice.com/

Messages In This Thread: Root server selection algorithm by Mikey on Oct 1, 1997 at 11:46:00 am Re: Root server selection algorithm by Sigurdur Ragnarsson on Oct 2, 1997 at 9:38:00 am Re: Root server selection algorithm by Mikey on Oct 3, 1997 at 10:23:00 am Re: Root server selection algorithm by Sigurdur Ragnarsson on Oct 3, 1997 at 6:52:00 pm Re: Root server selection algorithm by Scott Kozicki on Oct 3, 1997 at 8:15:00 pm Re: Root server selection algorithm by Scott Kozicki on Oct 3, 1997 at 8:17:00 pm Re: Root server selection algorithm by Mikey on Oct 4, 1997 at 10:01:00 pm Re: Root server selection algorithm by Mikey on Oct 4, 1997 at 10:01:00 pm