Reassociaton & LLC

Anshuman Singh Rawat asr245 at nyu.edu
Thu Jan 22 11:57:34 EST 2004


Are you talking about the IAPP protocol?
IAPP protocol adds delay in authentication phase (I think). We are experiencing a delay in data transmission after the STA associates to the AP. Two LLC packets are exchanged between the STA and the new AP, with STA sending out the first one.

Thanks.

----- Original Message -----
From: vatn at imit.kth.se
Date: Wednesday, January 21, 2004 3:09 am
Subject: Re: Reassociaton & LLC

> Perhaps a "Link Update Frame" sent by the new AP to update
> stale station caches (entries of "where" this STA is located)
> in the L2-switches of the LAN.
> See the 802.11F spec for more info.
> 
> BW J-O
> 
> > Hi all,
> > We are conducting an experiment to measure
> > packet-loss during handoff time. We noticed that
> > just after the handoff process completes (i.e.
> > reassociation reponse is received), LLC packets are
> > exchanged between the STA and the AP, and after that
> > there is a delay of about 100-150 ms before data
> > transmission will start again.
> >
> > Anybody knows the reason why this last delay is there?
> >
> > Thanks,
> > Anshuman
> >
> > _______________________________________________
> > HostAP mailing list
> > HostAP at shmoo.com
> > http://lists.shmoo.com/mailman/listinfo/hostap
> >
> 
> 




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