Is caching necessary?
Barry Margolin
barmar at alum.mit.edu
Sat Apr 30 04:20:49 UTC 2005
In article <d4tplc$2knd$1 at sf1.isc.org>, Pepe <pepe at naleco.com> wrote:
> If not forwarding to the ISP nameservers, should his LAN nameserver
> query the root nameservers for any and all zones he is not authoritative
> for? Would not this, if done by everybody, overload the root nameservers?=
Which is the answer to the question in the Subject: that's why caching
is important. Once you cache the COM delegation, you don't need to
query the root servers for any .COM domains for another 2 days.
--
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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