Re: Mirja Kühlewind's Discuss on draft-ietf-dm m-4283mnids-04: (with DISCUSS)

Hi Charlie,

can you please also answer the question below on SHOULD vs. MUST? Thanks!

Also, does it maybe make sense to then add something in the security section 
that information should/must not be leaked to other networks?

Thanks!
Mirja


On 13.02.2017 22:06, Charlie Perkins wrote:
> Hello Mirja and Suresh,
>
> I am happy to make the proposed changes as agreed below.
>
> Regards,
> Charlie P.
>
>
> On 2/11/2017 1:00 AM, Mirja Kuehlewind (IETF) wrote:
>> Hi Suresh,
>>
>> sounds all good! I’m happy to quickly resolve my discuss if the authors agree!
>>
>> Mirja
>>
>>
>>> Am 11.02.2017 um 05:05 schrieb Suresh Krishnan <[email protected]>:
>>>
>>> HI Mirja,
>>>
>>>> On Feb 10, 2017, at 12:08 PM, Mirja Kuehlewind <[email protected]> wrote:
>>>>
>>>> Mirja Kühlewind has entered the following ballot position for
>>>> draft-ietf-dmm-4283mnids-04: Discuss
>>>>
>>>> When responding, please keep the subject line intact and reply to all
>>>> email addresses included in the To and CC lines. (Feel free to cut this
>>>> introductory paragraph, however.)
>>>>
>>>>
>>>> Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html
>>>> for more information about IESG DISCUSS and COMMENT positions.
>>>>
>>>>
>>>> The document, along with other ballot positions, can be found here:
>>>> https://datatracker.ietf.org/doc/draft-ietf-dmm-4283mnids/
>>>>
>>>>
>>>>
>>>> ----------------------------------------------------------------------
>>>> DISCUSS:
>>>> ----------------------------------------------------------------------
>>>>
>>>> I would realy like to see the following changes in the security
>>>> considerations section:
>>>> OLD
>>>> "If used in the MNID extension as defined in this
>>>>   document, the packet including the MNID extension should be
>>>> encrypted
>>>>   so that personal information or trackable identifiers would not be
>>>>   inadvertently disclosed to passive observers."
>>>> NEW
>>>> "If used in the MNID extension as defined in this
>>>>   document, the packet including the MNID extension SHOULD be
>>>> encrypted
>>>>   so that personal information or trackable identifiers would not be
>>>>   inadvertently disclosed to passive observers.”
>>> Is this just for changing the "should" to upper case? I think that makes sense.
>>>
>>>> Or even better make it a MUST? Is there a reason for only having a
>>>> SHOULD?
>>> Authors, any specific reason for this to be a SHOULD?
>>>
>>>> as well as the following change:
>>>> OLD
>>>> "Moreover, MNIDs containing sensitive identifiers might only be used
>>>>   for signaling during initial network entry. "
>>>> NEW
>>>> "Moreover, MNIDs containing sensitive identifiers MUST only be used
>>>>   for signaling during initial network entry and MUST NOT be leaked to
>>>>   other networks.”
>>> The statement in OLD: is just a statement of fact that in some networks use temporary identifiers for reattachment and they use long term (and hence sensitive) identifiers only at initial attach. I don’t think it makes sense to change this to 2119 language.
>>>
>>> Thanks
>>> Suresh
>>>
>>
>

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