Re: [pcp] Fwd: New Version Notification for draft-chen-pcp-authentication-sim-00.txt

[GangChen <[e-mail]>]

2014-08-01 1:32 GMT+08:00, Tirumaleswar Reddy (tireddy) <[e-mail]>:
>> -----Original Message-----
>> From: GangChen [mailto:[e-mail]]
>> Sent: Wednesday, July 23, 2014 5:17 PM
>> To: Tirumaleswar Reddy (tireddy)
>> Cc: [e-mail]
>> Subject: Re: [pcp] Fwd: New Version Notification for draft-chen-pcp-
>> authentication-sim-00.txt
>>
>> 2014-07-21 22:17 GMT+08:00, Tirumaleswar Reddy (tireddy)
>> <[e-mail]>:
>> >> -----Original Message-----
>> >> From: GangChen [mailto:[e-mail]]
>> >> Sent: Friday, July 04, 2014 3:41 PM
>> >> To: [e-mail]
>> >> Subject: [pcp] Fwd: New Version Notification for
>> >> draft-chen-pcp-authentication-
>> >> sim-00.txt
>> >>
>> >> WG,
>> >>
>> >> I have submitted a draft to describe the consideration of PCP
>> >> authentication with (U)SIM support. The process is detailed in EAP
>> >> and GBA framework.
>> >
>> > Interesting draft. This solves the problem that for PCP authentication
>> > to work in Mobile networks, PCP client does not have use username and
>> > password but only use SIM credentials (EAP-SIM).  Other operators like
>> > Deutsche-Telekom are already using SIM authentication for ISP offered
>> > services (Slide 11
>> > http://www.gsma.com/personaldata/wp-content/uploads/2014/03/OpenID-
>> Con
>> > nect-at-Deutsche-Telekom-Torsten-Lodderstedt.pdf)
>>
>> Thank you for the comments. I would like to further highlight the
>> technical
>> advantage using GBA to PCP. The thought is to leverage the deployed GBA
>> infrastructure. AFAIK, GBA is indispensable to the mobile operators, who
>> like to
>> offer voice service in the LTE age. It's low-cost and lightweight
>> implementation
>> to the PCP server.(only one simply message extension makes it work, as
>> draft
>> proposed at Section 3).
>
> The other technique mentioned in the draft is using HTTP authentication and
> not EAP.
>
> 1. what is the need for this mechanism when EAP-SIM can be used ?

EAP requires layer 2 support. However, if a user directly use 3GPP
radio link, it can't support the EAP framework.

Gang


> 2. It deviates from REQ-6 of fate sharing
> http://tools.ietf.org/html/draft-reddy-pcp-auth-req-04 that was discussed in
> the WG sometime back.
>
> -Tiru
>
>>
>> BRs
>>
>> Gang
>>
>>
>> >
>> > -Tiru
>> >
>> >> Thank you for the comments in advance.
>> >>
>> >> Best Regards
>> >>
>> >> Gang
>> >>
>> >> ---------- Forwarded message ----------
>> >> From: [e-mail]
>> >> Date: Fri, 04 Jul 2014 03:03:05 -0700
>> >> Subject: New Version Notification for
>> >> draft-chen-pcp-authentication-sim-00.txt
>> >> To: Gang Chen <[e-mail]>
>> >>
>> >>
>> >> A new version of I-D, draft-chen-pcp-authentication-sim-00.txt
>> >> has been successfully submitted by Gang Chen and posted to the IETF
>> >> repository.
>> >>
>> >> Name:		draft-chen-pcp-authentication-sim
>> >> Revision:	00
>> >> Title:		(U)SIM based PCP Authentication
>> >> Document date:	2014-07-03
>> >> Group:		Individual Submission
>> >> Pages:		8
>> >> URL:
>> >> http://www.ietf.org/internet-drafts/draft-chen-pcp-authentication-sim
>> >> -00.txt
>> >> Status:
>> >> https://datatracker.ietf.org/doc/draft-chen-pcp-authentication-sim/
>> >> Htmlized:
>> >> http://tools.ietf.org/html/draft-chen-pcp-authentication-sim-00
>> >>
>> >>
>> >> Abstract:
>> >>    With (U)SIM support, PCP authentication could leverage the
>> >>    credentials stored in (U)SIM.  The document details PCP
>> >>    authentication considerations based on (U)SIM support.  The
>> >>    authentication procedures in EAP and GBA framework have been
>> >>    specifically elaborated.  In order to complete the process, new
>> >> code
>> >>    and option are also proposed.
>> >>
>> >>
>> >>
>> >>
>> >> 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
>> >>
>> >
>> >
>