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

["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 ?
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
> >>
> >
> >