Re: Something better than DNS?

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Karl,

On Nov 28, 2006, at 12:05 PM, Karl Auerbach wrote:
There is an ancillary issues that have not, to my knowledge, been adequately researched, and that is the expansion in the size of the response packets.

I suppose that depends on your definition of "adequately".

This will by itself make response packets larger.

Yes, the future definitely has larger response packets in store for us.

How much longer probably isn't a big issue unless they are big enough to trigger a fallback onto TCP rather than UDP or if we get UDP packets that exceed path MTU and have to be fragmented.

The issue of response size comes up in a bunch of places (IDNs, adding AAAA, DNSSEC, etc.) and the implications of that growth is definitely an area of concern. Given the indeterminate number of broken DNS implementations out there, any change (even one as innocuous (from a DNS protocol technical perspective) as adding IDNs) is almost guaranteed to break something. The big question in my mind is how much will break and who will be affected.

(By-the-way, why is EDNS/RFC 2671 not advancing on the standards track?)

Good question.

Rgds,
-drc


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