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[Lake] Error message => Discontinue #208

John Mattsson <john.mattsson@ericsson.com> Mon, 24 January 2022 12:08 UTC

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From: John Mattsson <john.mattsson@ericsson.com>
To: "lake@ietf.org" <lake@ietf.org>
Thread-Topic: Error message => Discontinue #208
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Date: Mon, 24 Jan 2022 12:08:43 +0000
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Subject: [Lake] Error message => Discontinue #208
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Hi,

Issue #208 was opened based on two different review comments from
Marco and Sean on different aspects of error messages.

I have tried to address Marco's and Sean's comments in PR #234
https://github.com/lake-wg/edhoc/pull/234

While working on this I noticed than one cause for Marcos comment might be
that EDHOC only talkes about what HTTP and CoAP calls "client error",
i.e., there was something wrong in the received message.

HTTP and CoAP defines errrors into two classes "client error" (there is something
wrong with you) and "server error" (there is something wrong with me).

EDHOC does currently not follow this design and only has a single error

1 | tstr | Unspecified

Should EDHOC instead have have something like?

1 | tstr | Unspecified Initiator error
2 | tstr | Unspecified Responder error

or

1 | tstr | Unspecified Sender error
2 | tstr | Unspecified Reciever error

The choice would likely be whatever is easiest for an implementation.

I think we should discuss this. This type of high level classes was not discussed before. We only discussed what kind of detailed errors we should standardized and agreed on none.

Also is "Unspecified" a good name? The intention is that it is specified in the tstr.

Cheers,
John

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