> On Fri, 29 Sep 2006, Mohsen Souissi wrote:
> 
> > via an "official" channel, *what* really happens and *how* it happens.
> 
> What really happens is that system administrators misconfigure DNS 
> servers so that they forward queries for local address space to global 
> servers (frequently the roots). This traffic can't properly be answered 
> by the roots or by in-addr.arpa zone.
> 
> The remedy to this problem is twofold: 
> 1) relieve this traffic from the root servers 
> 2) get system administrators to properly configure their nameservers.
> 
> One solution proposed has been AS112. The question is whether this is a 
> good solution.  There is another solution, and I think better 
> 
> Lets think about what the best solution is, before we jump into one
> particular, and complicated, solution.
> 
> Could you address why it is you think the simpler and approach below
> should not be recommended by the working group?
> 
> Thanks,
> 
>               --Dean
> 
> ----------
> 
> The better approach is for the WG to recommend to the in-addr.arpa
> maintainer to put in delegations for 168.192.in-addr.arpa et al to be
> delegated to 127.0.0.1. These delegation records should have the maximum
> TTL.

        Because it also breaks responses to queries from nameservers that
        are NOT using these addresses.
 
> This approach has two beneficial effects that AS112 doesn't 
> offer: 
> 
> 1) The nameserver operator with the misconfigured nameserver will begin
> getting "recursion to self" errors, which will prompt corrective action.
> 
> 2) The delegation records will be cached on the local nameserver,
> reducing unnecessary traffic from the misconfigured nameserver.  

        Because it only works when you get responses *back*.  A
        large amout of this traffic is non-repliable by the roots.
 
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