[dns-operations] DNSSEC impact on applications was Re: security-aware stub resolver

[Mark Andrews]

> > 	... It queries for DS records it doesn't have in its cache.  ...
> 
> ok so that's what i meant when i said building per-application caches would
> be expensive, compared to per-host or per-LAN caches.

	The only additional traffic is between the application and the
	local caching resolver.  The wide area traffic does not change.

	Mark
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Mark Andrews, ISC
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