On Thu, 18 Sep 2003, Todd Vierling wrote: > On Thu, 18 Sep 2003, Stephane Bortzmeyer wrote: > > : > Still doesn't help .ORG, which is 100% anycast and thus has no DNS-based > : > redundancy > : > : Wrong since there are two IP addresses. They may fail at the same time > : (which apparently happened to you) but there is a least an element of > : non-BGP redundancy (I'm not aware of any TLD running with only one > : anycasted name server, although it would still have some redundancy). > > Okay, let me qualify then: > > "...no DNS-based redundancy when both routes point to the same place and > that particular place goes off the air while its BGP advertisements stay > up and running..." > > DNS-based redundancy typically implies going to different servers at > different locations, regardless of what BGP says. The fact that anycast > took me to the same place for both IPs, and that same place went down all at > once, means that I was effectively looking at a single point of failure with > no way for DNS to pick another place to look.
Okay but 1. Only you were affected 2. Only you have both servers going to the same place Theres a theme in this, perhaps indicating where the problem may have been :)
