Re: [802.21] Security SG: Scope issues
Hi Ron,
Can you elaborate on the concept of "an integrated or common
pre-authentication mechanism for both layer 2 and layer 3 network
access"?
Yoshihiro Ohba
On Fri, Dec 14, 2007 at 03:19:16PM -0500, Ron Pon wrote:
> Pre-authentication does not have much value if it can not provide full network access. 802.16 and most cellular networks use Mobile IP for layer 3 mobility. An integrated or common pre-authentication mechanism for both layer 2 and layer 3 network access is required for seamless roaming.
>
> Regards,
> Ron
>
> > -----Original Message-----
> > From: Yoshihiro Ohba [mailto:yohba@TARI.TOSHIBA.COM]
> > Sent: Wednesday, December 12, 2007 1:43 PM
> > To: STDS-802-21@LISTSERV.IEEE.ORG
> > Subject: Re: [802.21] Security SG: Scope issues
> >
> > On Wed, Dec 12, 2007 at 11:55:41AM -0500, Ron Pon wrote:
> > > I have a related scope question. Does the definition of "Handover" here
> > restricted to layer 2 mobility or does it also include layer 3? Do we need
> > to consider Mobile IP or IPsec gateways?
> >
> > It's related to optimizing signaling for network access authentication
> > required for handover to a target technology. IMO, security signaling
> > optimization for Mobile IP or IPsec gateways should be out of scope
> > (if needed, it should be done in IETF).
> >
> > Regards,
> > Yoshihiro Ohba
>
>