IAPP development status and technical reasons behind it withdrawn

Amin Abdul amin_abdul at hotmail.com
Sun May 27 12:15:03 EDT 2007

Thanks Jouni.  In term of use cases, I am interested in the following 
aspects of IAPP:

- To enforce single STA association requirement of 802.11 during inter-AP 
- To update the packet forwarding fabric during inter-AP handoff in order to 
avoid stale information.


>From: Jouni Malinen <j at w1.fi>
>To: hostap at shmoo.com
>Subject: Re: IAPP development status and technical reasons behind it 
>Date: Sat, 26 May 2007 18:53:10 -0700
>On Wed, May 23, 2007 at 02:12:17PM +0000, Amin Abdul wrote:
> > I have few questions related to IAPP (Inter AP Protocol), although IEEE 
> > executive committee approved its withdrawal around february, 2006
> >
> > 1- Does HOSTAPD group have any plan for further IAPP development or for 
> > replacement?
>I don't think there is much point in trying to continue with IEEE
>802.11F at this point. Since IEEE 802.11F itself has very minimal
>functionality alone, I would need to ask what functionality you are
>looking for in order to be able to answer the second part of the
>If there is some functionality that is desired and there is enough
>interest in getting support for it, likelyhood of something happening is
>much higher than just for IEEE 802.11F as a marketing material bullet
>point (which is more or less the main use for which it has been
>requested previously).
>Every now and then, I take a look at CAPWAP, but so far, I haven't had
>enough time/interest to actually go into details of what could be useful
>for hostapd from that work. Anyway, I would prefer to hear of a
>reasonable use case first in order to understand what people would fine
> > 2- What were the technical reasons behind 802.11F withdrawn?
>IEEE 802.11F was a trial-use recommended practice, not part of the IEEE
>802.11 standard, and it had a two year lifetime. No one requested the
>trial-use period to be extended and there did not seem to be any
>interest in deploying systems using IEEE 802.11F.
>Jouni Malinen                                            PGP id EFC895FA
>HostAP mailing list
>HostAP at shmoo.com

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