On Sat, Jul 20, 2013 at 3:20 PM, Andrew Allen <aal...@blackberry.com> wrote:
> Can it please be explained how the IMEI URN when used as stated in > http://datatracker.ietf.org/doc/draft-allen-dispatch-imei-urn-as-instanceid/ > Is any more harmful than as the IMEI is used today by over 90% of mobile > phones in use today worldwide? > It survives device wipes, which usually happen upon change of device ownership. I’m not an expert in your application domain, so pardon me if this question is hopelessly naive: It seems that this identifier is related in some way to SIP sessions. It seems that it would be a common operation to launch a SIP session on a device such as a WiFi-only tablet, or an iPod touch, that doesn’t have an IMEI. Is this a problem? -T > > Andrew > > ----- Original Message ----- > From: Scott Brim [mailto:scott.b...@gmail.com] > Sent: Saturday, July 20, 2013 03:55 PM Central Standard Time > To: Andrew Allen > Cc: tb...@textuality.com <tb...@textuality.com>; ietf@ietf.org < > ietf@ietf.org> > Subject: Re: Last call: draft-montemurro-gsma-imei-urn-16.txt > > On Sat, Jul 20, 2013 at 4:08 PM, Andrew Allen <aal...@blackberry.com> > wrote: > > Tim > > > > The quote is from RFC 5626 which also states: > > > > "3.1. Summary of Mechanism > > > > Each UA has a unique instance-id that stays the same for this UA even if > the > > UA reboots or is power cycled." > > > > Since the UUID in the instance ID is also static how is this > significantly > > different in terms of privacy concerns from the IMEI being used as an > > instance ID? > > You're not demonstrating that an IMEI is just as good, you're > demonstrating that a UUID is just as bad. > > --------------------------------------------------------------------- > This transmission (including any attachments) may contain confidential > information, privileged material (including material protected by the > solicitor-client or other applicable privileges), or constitute non-public > information. Any use of this information by anyone other than the intended > recipient is prohibited. If you have received this transmission in error, > please immediately reply to the sender and delete this information from > your system. Use, dissemination, distribution, or reproduction of this > transmission by unintended recipients is not authorized and may be unlawful. >
