Re: draft-iab-dns-choices-02.txt comments

[wayne <wayne@schlitt.net>]

In <2D88CFE9-9D9B-4C6E-BEC4-EABCD6B70027@paf.se> Patrik <paf@paf.se> writes:

> On Jun 8, 2005, at 20:58, wayne wrote:
>
>> Instead of using TXT, it is using a binary format called KR.  That's
>> what dns-choices says to do, right?  So this is good, right?  Well,
>> they have used used RR type number 1010 (decimal), which isn't in the
>> range that RFC2929 says to use.  Ooops.  So now there are people out
>> there deploying 1010 RR numbers and if IIM dies, that RR number will
>> be polluted for many years to come.
>
> What is the difference between this and pullute by having used
> TXT4711 for the same thing?

The TXT4711 would hopefully have a magic number to allow us to
distinguish the different uses of the same RR number.  Right now, if
we assign RR number 1010 to someone else, and you get a query, you
have a binary glob that may or may not be the IIM KR record.

Ok, we can probably tell KR records from the other records by looking
at the size of the record and the format of the data.  But, that is
just a "really bad magic number".



-wayne


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