On Thursday 20 December 2001 16.34, Boniforti Flavio wrote:
> > The fact that you query a local BIND involve "DNS caching".
> > BIND always
> > caches queries.
> >
> > Forwarders is about making sure your local BIND makes use of
> > the ISP DNS
> > caches, instead of trying to build a full cache on it's own.
> > This further
> > speeds up DNS lookups as the likelyhood your ISP knows the
> > answer is quite
> > high.
>
> Sorry, I didn't catch the sense of what you wrote...
>
> May you explain more the second part in which you talk about FORWARDERS???
A DNS forwarder is like a parent cache. If the answer isn't known by your DNS
cache then it will ask your ISP DNS cache.
If you do not use a DNS fowarder then your DNS server will have to build it's
own picture of the Internet DNS network, which is both time consuming and
wasting cache resources.
Regards
Henrik
Received on Thu Dec 20 2001 - 09:05:49 MST
This archive was generated by hypermail pre-2.1.9 : Tue Dec 09 2003 - 17:05:26 MST