At 01:23 AM 10/10/1999 -0400, J. Baptista wrote:
>On Sun, 10 Oct 1999, Joseph Friedman wrote:
>
> > So when a new root server is added, how do all the DNS servers on the net
> > know of it?
>
>It's up to every sites administrator to keep up on current affairs and
>replace the cache as needed when root-servers are upgraded. The only
>upgrade I ever heard of was recent. I think there are now 13 roots, which
>is the max a udp packet will trasports at anyone time. Folks - jump in a
>correct me if I'm wrong here.
>
>I do know of a trick you can use to have your dns update the root cache
>file. Your would treat the root dot "." as a secondary and point to one
>of the roots. Anytime the root cache changes on the primary root-server,
>so will it change on your dns server.
>
>There is a bit of a concern here. If some wild and wacky fun loving
>individual every compromised the root cache, it would automatically
>pollute all other secondary caches and could result in a potential world
>wide dns disaster - no one would be able to communicate, and very few
>people would know how to correct the problem. So it's a good thing vixie
>packages it as a static file.
So anytime a root server is added or moved (and its IP# changes) the only
for all the DNS servers worldwide to know of the change(s) is to manually
update the list?
--Joseph
