Re: draft-ietf-dnsext-apl-rr-01.txt

[Patrik Fältström <paf@cisco.com>]

At 22.00 -0800 00-12-02, Dennis Glatting wrote:
>The same is true of DNS: which domain should you search? If you can't
>find something in DNS then how do you find it in LDAP, and visa versa?
>By pushing garbage from DNS to LDAP you at least have a hint of
>directory and database (the DAP part). DNS, it seems to me, is more of
>a locator service but people are trying to make it a database.

Exactly, LDAP and DNS have the same "semantics", but with the big 
difference that LDAP doesn't have a root server.

I.e. given that I know the DN (which is the owner in DNS) for a 
record in LDAP, there is no root server I can query to know what LDAP 
server to send the query to. Mapping from DN to domainname (which is 
needed) doesn't exist, given that you don't use the DC naming scheme 
that is, and people don't.

And, you don't get _better_ service with LDAP as you only can lookup 
records given the DN. Global searches doesn't work, so you will never 
be able to find information about "Eva Fr=F6lich", just like you can 
not do indexed searches in DNS.

So, I understand why people ask why one should use LDAP when it have 
worse performance than DNS.

Maybe we should have a "GC" class (garbage can) for these things in DNS?

     paf



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