Is caching necessary?

[Barry Margolin]

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
*** PLEASE post questions in newsgroups, not directly to me ***