Re: [DNSOP] Fwd: New Version Notification for draft-bellis-dnsop-edns-tags-00.txt

Shane Kerr <shane@time-travellers.org> Tue, 05 March 2019 09:11 UTC

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From: Shane Kerr <shane@time-travellers.org>
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Subject: Re: [DNSOP] Fwd: New Version Notification for draft-bellis-dnsop-edns-tags-00.txt
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Ray and all,

On 04/03/2019 17.27, Ray Bellis wrote:
> 
> This new draft describes a way for clients and servers to exchange a 
> limited amount of information where the semantics of that information 
> are completely unspecified, and therefore determined by bi-lateral 
> agreement between the client and server operators.
> 
> There are known cases where bespoke implementations are using 
> experimental EDNS option values for this purpose, for example for a 
> front-end load-balancer to tell the server whether an incoming 
> connection arrived over TCP or UDP (c.f. my XPF draft).
> 
> A goal of this draft is to assign a common EDNS code-point such that 
> popular OSS implementations can support similar features interoperably.

I don't see much value in this beyond the already-standardized EDNS 
range reserved for local/experimental use.

Cheers,

--
Shane