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
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