Re: [dnsext] draft-vandergaast-edns-client-ip-00.txt

John Payne <john@sackheads.org> Wed, 03 February 2010 22:11 UTC

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Subject: Re: [dnsext] draft-vandergaast-edns-client-ip-00.txt
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From: John Payne <john@sackheads.org>
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Date: Tue, 02 Feb 2010 15:51:42 -0500
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To: Jim Reid <jim@rfc1035.com>
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On Feb 2, 2010, at 11:46 AM, Jim Reid wrote:

> On 1 Feb 2010, at 22:07, John Payne wrote:
> 
>> Yes, it adds complexity to the recursive nameservers _that want to send the information_.
>> 
>> Where else is it adding any complexity?
> 
> [1] Stub resolvers that don't want their address info disclosed. Or those who may want to send that info (how??) but are talking to resolving servers who don't. Or the resolving servers tamper with that data whenever they query the authoritative server(s). Or choose to mangle whatever is returned as the optimised response.

The choice exists to use a recursive nameserver which has the behavior you desire without modifying the stub resolver at all.

> [2] Authoritative servers who can't/won't speak this EDNS0 option. The draft does not specify how they should behave.

If this idea can't be made to work without any change to Authoritative servers who can't/won't speak this EDNS0 option, then it has no business progressing beyond this draft.