Re: [Doh] [Ext] DNS Camel thoughts: TC and message size
bert hubert <bert.hubert@powerdns.com> Thu, 07 June 2018 09:37 UTC
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Date: Thu, 07 Jun 2018 11:36:47 +0200
From: bert hubert <bert.hubert@powerdns.com>
To: Patrick McManus <pmcmanus@mozilla.com>
Cc: Paul Hoffman <paul.hoffman@icann.org>, DoH WG <doh@ietf.org>
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Subject: Re: [Doh] [Ext] DNS Camel thoughts: TC and message size
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On Thu, Jun 07, 2018 at 09:19:06AM +0200, Patrick McManus wrote: > it seems possible that this is a property of the default media type not of > DoH. e.g. a negotiated json response wouldn't have this kind of limitation. > Does that make sense? Firstly, it is not a media type limitation. It is a question of if we want to extend DNS into a territory where it has never been before. The moment 100 kilobyte DNS answers become possible, we need to redo a ton of software. This is true if the end transport is JSON or a DNS message wrapped into an HTTP response. Before typing a lot more characters on this, can I ask who is actually arguing that we need bigger DNS messages? Who is hurting under the 65536 byte constraint? DNS over HTTPS implies that we have access to HTTPS. This protocol supports messages as large as you want. The one reason you might like DNS to be able to do something new and large is because you might have no alternate way of getting large data. So I ask, who wants to fundamentally extend the DNS protocol with messages of a size never seen or supported? Who is the customer? Bert
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- Re: [Doh] DNS Camel thoughts: TC and message size Petr Špaček
- Re: [Doh] DNS Camel thoughts: TC and message size Tony Finch
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- Re: [Doh] [Ext] DNS Camel thoughts: TC and messag… Mukund Sivaraman
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- Re: [Doh] [Ext] DNS Camel thoughts: TC and messag… Dave Lawrence
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- Re: [Doh] [Ext] DNS Camel thoughts: TC and messag… Dave Lawrence
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- Re: [Doh] Are we missing an architecture? (was Re… Dave Lawrence
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