On Thu, 17 Oct 2002, Margaret Wasserman wrote:
> >I didn't really get the impression about this mechanism
> >is only for bootstrapping, although the example you
> >mention can certainly be done. Maybe the authors or
> >someone else can clarify.
>
> As specified, this is not a bootstrapping mechanism. A host
> is expected to continue to use these the three default
> addresses to reach DNS servers unless/until it is configured
> to do otherwise.
Exactly, but this wouldn't have to be so. Introduction:
Except for name resolution, all the other
services are usually described using names, not addresses, such as
smtp.myisp.net or webcache.myisp.net. For obvious bootstrapping
reasons, a node needs to be configured with the IP address (and not
the name) of a DNS resolver.
doesn't really require 3 DNS addresses.
If one of the site-locals doesn't answer you, it's highly unlikely that
the next one will (ie: not configured at all). If the second doesn't
answer either, it is almost unheard of if the third one does answer.
--
Pekka Savola "Tell me of difficulties surmounted,
Netcore Oy not those you stumble over and fall"
Systems. Networks. Security. -- Robert Jordan: A Crown of Swords
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