Re: [Rats] New RATS

[Simon Frost <[e-mail]>]

You interpret my thinking correctly, that I expected this would only be useful for solutions where multiple items exist, but the prospect of one of those not being available is an interesting point and probably warrants 1 entry being valid (with appropriate text to explain the expected usage).

The CWT-placeholder line is a Bug in the doc: I have a standalone CDDL file on the repo which includes this and some other placeholder text to allow for standalone verification, looks like I didn’t trim all those entries when inserting to the doc.

Thanks for the feedback, I’ll open issues for both of those points to be addressed in a -01.

Cheers
Simon

From: Carl Wallace <[e-mail]>
Sent: 31 May 2022 13:45
To: Simon Frost <[e-mail]>; [e-mail]
Cc: Thomas Fossati <[e-mail]>
Subject: Re: [Rats] New RATS

I think this is a nice addition. One comment and one question.

I am guessing the minimum value for the occurrences was set to 2 on the notion that you’d just use one of the singular alternatives in the choice definition when there is just one item to encode, but there could be cases where >1 is the norm but 1 can occur. If the minimum here was set the 1, then a collection type could be the lone top-level type where appropriate.

Why not re-use the CWT-Tagged-Message type from EAT instead of the CWT and CWT-placeholder definitions?

From: RATS <[e-mail]<mailto:[e-mail]>> on behalf of Simon Frost <[e-mail]<mailto:[e-mail]>>
Date: Monday, May 30, 2022 at 7:33 AM
To: "[e-mail]<mailto:[e-mail]>" <[e-mail]<mailto:[e-mail]>>
Cc: Thomas Fossati <[e-mail]<mailto:[e-mail]>>
Subject: [Rats] New RATS

FYI. I’ve just submitted a new draft for a proposed extension to the top level object in EAT.

There’s a full justification in the doc, but as a quick summary, there are difficulties in creating a top level ‘envelope’ object for a multi-token system while remaining compatible with EAT. Given the recent move to fix the list of top level objects but embrace extensions, this approach seems to be an appropriate proposal.

See: https://datatracker.ietf.org/doc/draft-frost-rats-eat-collection/ & https://github.com/SimonFrost-Arm/draft-frost-rats-eat-collection

Thanks
Simon

Simon Frost
Senior Principal Systems Solution Architect, ATG, Arm
Mob: [phone]

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