On Mon, Nov 9, 2015 at 12:52 PM, Evan Hunt <e...@isc.org> wrote: > On Mon, Nov 09, 2015 at 04:55:24PM +0000, Tony Finch wrote: > > With the current DNS protocol, a stub resolver can get all the records it > > needs to validate a response in 1RTT, by sending multiple concurrent > > queries for all the possible delegation points in the QNAME. > > But has to retain state for all those active queries, which adds a fair > bit of complexity. I would expect it to be a lot more straightforward to > code a stub validator using CHAIN. >
In deep zones like the reverse zones the stub has no idea where the zone cuts are thus this idea is work reduction for the stub Olafur
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