RE: [802.21] Security SG: Scope issues
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