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Re: current usage of AAAA implicit MX?

2008-04-06 22:17:43

At 23:55 -0700 on 04/05/2008, Russ Allbery wrote about Re: current usage of AAAA implicit MX?:

It's not that it's technically difficult so much as that it's dubious from
a layering perspective, at least from where I sit.  It requires I
introduce IPv6-specific code (and hence ifdefs for systems without IPv6
constants and so forth) into an application that otherwise would not need
any and would be entirely stack-agnostic.

OOPS. I was not considering the case where the code was being tailored at assembly time. Looking at my flow I see only 1 (2 if you want to ALWAYS set the flag in step 2) place where conditional code needs to be inserted. This is in step 3 where the Test Flag and IPN code would only get inserted IF IPv6 support is being generated.