Re: [core] [Anima] date-and-time and "created-on" field in constrained-voucher

[Carsten Bormann <[e-mail]>]

> 
> Yes.  E.g, the constrained-voucher spec could define a new media type, ZANG-data+CBOR, which is defined to be almost identical to YANG-data+CBOR, except that in a few places (small matter of defining this properly, e.g., based on SIDs) the encoding deviates.
> 
> 
> There will be more optimizations that will be added over time.
> Would it be possible to use a media-type parameter to identify each of the almost-identical variants?

There could be a version number (zang-data+cbor; v=3), with increasing sets of optimizations being factored in at each version.

> I new media type for each variant seems like too much cut-and-paste.

A bit field (enumerating the powerset) would be another way, but would also be an interop testing nightmare.

Grüße, Carsten