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.
----- 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
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