Re: [dnsext] Re: need new flag bit in EDNS, "do me no favours"(DMNF)

["Roosenraad, Chris" <[e-mail]>]

Paul,


>>I can see web browers setting dns64 (vendor), bad site (user control) and
>> nxdomain (user control).
>
>so it sounds like we need a new edns option blob which is a variable
>length
>mask (so, right now it would be one octet long), which would only be
>defined
>for RD=1.  the first bit of the first octet would be "no web error
>redirect"
>(NWED).  the name of the option would be "do me no favours" (DMNF).

Do we want to have a bit of a parallel effort to define the initial set of
such bits? If we're going to go through the trouble of defining this new
variable length mask, we probably should have > 1 options for it out of
the gate.

>i'm willing to write this up in this form, even given that i've missed the
>-00 deadline for beijing (where i will not be present, by the way), and
>i'll
>be happy to add any other preference bits if (1) they are only meaningful
>for
>RD=1, (2) they do not affect the recursive-to-authoritative q-tuple at
>all,
>(3) they can be expressed in a single binary digit ("bit"), and (4) there
>is
>a simple unambigious one-paragraph english text that explains the meaning.
>
>am i on the wrong track according to those (three) who have +1'd this so
>far?
>
>is anyone else +1 for this approach (willing to review, etc)?

I think this could be useful for other types of client to server
preferences communications, so I'm definitely interested in the idea, and
will therefore be glad to provide editing/review/etc.


--
Chris R. Roosenraad
Principal Engineer
Time Warner Cable - ATG
13820 Sunrise Valley Drive
Herndon, VA  20171
[phone]
[e-mail]



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