Re: [MEXT] Well-known problem with authentication/etc. inwirelessnetworks

[Julien Laganier <[e-mail]>]

Hello Charlie,

On Fri, Aug 26, 2011 at 1:11 PM, Charles E. Perkins
<[e-mail]> wrote:
> Hello Julien,
>
>
> On 8/26/2011 1:00 PM, Julien Laganier wrote:
>
>> In the latter (handover between 3GPP and non-3GPP), given that the
>> source and target system are accessed by different radio systems, I do
>> not see handover performance has a factor hampering the usability or
>> desirability of the inter-system handover scheme in use.
>
> It is definitely true that a handset with two different
> radio interfaces, given proper infrastructure support and
> software, can maintain excellent user experience as the
> application session is maintained seamlessly while the handset
> changes its care-of address to reflect its new point of
> attachment to the Internet from a new radio interface.
>
> Is this what you meant?

Yes.

> But the way in which authentication is carried out during
> handovers has a crucial impact on the handover performance.
> Do you not agree?

As above, I've been saying that Mobile IP handover performance does
not seem to be a factor in how desirable it is for use in a 3GPP
system.

--julien