[Last-Call] Re: Opsdir telechat review of draft-ietf-opsawg-teas-attachment-circuit-18

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Thanks for the quick response, Med.

> A diff to track the changes can be found here: https://author-tools.ietf.org/api/iddiff?url_1=https://boucadair.github.io/attachment-circuit-model/draft-ietf-opsawg-teas-attachment-circuit.txt&url_2=https://boucadair.github.io/attachment-circuit-model/opsdir-review/draft-ietf-opsawg-teas-attachment-circuit.txt. Also fixed some nits here and there.

All very good changes.
Just continuing two minor points.

No need to respond to me (unless you want to): just fix or don't fix according to what is the right thing to do.

Cheers,
Adrian

>> 6.1
>> 
>> I was surprised that there are so few identities defined in base
>> bearer-type. Does this reflect reality or convenience?
> 
> [Med] The goal was not to be exhaustive but have the key ones.

It's OK. I was just thinking about whether (and how) people will need to add new bearer types in the future.

>> 7.
>> 
>> I like that you flag 'customer-name' as a vulnerability. But I
>> don't understand what solution you offer. I suspect that the
>> solution lies in authentication being applied to control read
>> access not only to the whole module, but to specific sub-trees in
>> the module. This needs a little additional text to make it clear.
>
> [Med] This is a covered by this text: 
>
> "These
>   protocols have to use a secure transport layer (e.g., SSH [RFC4252],
>   TLS [RFC8446], and QUIC [RFC9000]) and have to use mutual
>   authentication."
>
> Please note that we are using the security template defined in
>  draft-ietf-netmod-rfc8407bis.

I'm not arguing against anything in the template text or what you have written.
I am asking whether the authentication grants access to the whole module or only specific parts. In other words, can someone from customer A see:
- the existence of customer B
- any information about customer B
A secure transport layer doesn't provide that protection.
And "mutual authentication" is unclear.


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