Re: NXDOMAIN and NXRRSET with SOA

[Brian W. <bwe...@xb...>]

On Mon, 1 Sep 2008, Luis Silva wrote:

> Hi!
> Sorry for this last email since I noticed that in this cases you case the
> negative element with the soa record. But I also noticed that you used the
> ttl value from the soa record instead of the minimum. According with the rfc
> 2308 it says that the minimum value is used in these situations:
>
> "The remaining of the current meanings, of being the TTL to be used
>   for negative responses, is the new defined meaning of the SOA minimum
>   field."
>
> you see the opposite in the addNegative method in Cache.java:
>
> addNegative(Name name, *int* type, SOARecord soa, *int* cred) {
> *long* ttl = 0;
> *if* (soa != *null*)
> ttl = soa.getTTL();
> ...
> }
> Do you agree?

I don't see a problem here.  The cache is caching the records as 
transmitted, which looks fine.  If a caching server is planning to use the 
records from the cache, it might need to do additional work, just as any 
other caching server would do.

Brian