Re: Fwd: New Version Notification for draft-perkins-dmm-4283mnids-00.txt

Hi Charlie,

Thanks for the list… it looks good. I’m just wondering about security considerations… Actually, from 3GPP standpoint, security constrains on IMSI and GPRSS/LTE temporary identifiers (P-TMSI, GUTI). AFAIK, IMSI is very rarely sent on the air (maybe only one time at the beginning of the 3GPP authentication process) for security reasons. So, I’m wondering if adding IMSI to the list of IDs, without any warnings, is somehow introducing security weakness to the 3GPP security process.   Consequently, I’m not sure about the following statement “This document does not introduce any security mechanisms, and does not have any impact on existing security mechanisms.” It’s maybe not so true from the 3GPP point of view…

Maybe we should state that the ID option MUST be used in a way that it does not harm existing security mechanisms (i.e. use the option with caution ☺). For example, to address the issue above (maybe there are other examples… I don’t know…), we could state that the IMSI should be transmitted only during first binding update, and not transmitted anymore as long as the association IMSI/HoA/HNP is done…. Or... simpler way to address the issue:  if nobody has use-case for transmitting the IMSI, we can simply remove the IMSI from the list ☺

BR,
Pierrick


De : dmm [mailto:[email protected]] De la part de Charles E. Perkins
Envoyé : mardi 23 septembre 2014 21:10
À : [email protected]
Objet : [DMM] Fwd: New Version Notification for draft-perkins-dmm-4283mnids-00.txt

Hello folks,

We have published a ...-00 version of the MNIDs draft.  This is mainly for
reference purposes.  A new version should be out within a week or so,
incorporating the suggestions and comments from people who responded
to the earlier suggestion to revisit this work.

Regards,
Charlie P.


-------- Original Message --------
Subject:

New Version Notification for draft-perkins-dmm-4283mnids-00.txt

Date:

Tue, 23 Sep 2014 10:43:12 -0700

From:

<[email protected]><mailto:[email protected]>

To:

Charles E. Perkins <[email protected]><mailto:[email protected]>, Vijay Devarapalli <[email protected]><mailto:[email protected]>, Charles E.Perkins <[email protected]><mailto:[email protected]>



A new version of I-D, draft-perkins-dmm-4283mnids-00.txt

has been successfully submitted by Charles E. Perkins and posted to the

IETF repository.



Name:         draft-perkins-dmm-4283mnids

Revision:     00

Title:        MN Identifier Types for RFC 4283 Mobile Node Identifier Option

Document date: 2014-09-23

Group:        Individual Submission

Pages:        4

URL:            http://www.ietf.org/internet-drafts/draft-perkins-dmm-4283mnids-00.txt

Status:         https://datatracker.ietf.org/doc/draft-perkins-dmm-4283mnids/

Htmlized:       http://tools.ietf.org/html/draft-perkins-dmm-4283mnids-00





Abstract:

   Additional Identifier Types are proposed for use with the Mobile Node

   Identifier Option for MIPv6 (RFC 4283).









Please note that it may take a couple of minutes from the time of submission

until the htmlized version and diff are available at tools.ietf.org.



The IETF Secretariat







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