Question regarding recursion...
Barry Margolin
barmar at genuity.net
Wed Aug 29 22:06:10 UTC 2001
In article <9mjocj$mlr at pub3.rc.vix.com>,
Cricket Liu <cricket at nxdomain.com> wrote:
>So RA indicates whether recursive query support is *available*, not
>whether recursion was used. I'd argue that clearing it for responses
>that didn't require recursion is a misinterpretation of the RFC.
I agree, although I can imagine a server design that only permits recursion
for names in some domains but not others. How should this set the RA bit?
I wonder why the OP cares. Do any stub resolvers check the RA flag in the
responses they receive? All that should matter is whether the response
contains the information requested. I suppose a resolver could decide that
a server that clears RA should not be used in the future.
--
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
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