Agree - how about keeping RTS/CTS for its intended use (collision avoidance), and use 
a smarter
technique for roaming (e.g. getting load information from AP's beacons)?
--- balan h <[EMAIL PROTECTED]> wrote:
> 
> --- Rupert Wever <[EMAIL PROTECTED]> wrote:
> > When configuring the client's RTS treshold...
> > 
> > "Setting this parameter to a small value causes RTS
> > packets to be sent more often. When this
> > occurs, more of the available bandwidth is consumed
> > and the throughput of other network packets is
> > reduced. However, the system is able to recover
> > faster from interference or collisions that may be
> > caused from a high multipath environment
> > characterized by obstructions or metallic surfaces."
> > 
> > The client driver will look at the RTS retries to
> > determine if in "distress" (i.e. not associated
> > to an AP).  A scan is initiated to look for
> > available APs.
> > 
>   This imo only supports the point that RTS/CTS should
> be used i.e an optimal RTS threshold should be used.
> 
> bala
> > This is what we like to call "Distress Roaming".
> > 
> > 
> > --- Lalit Kotecha <[EMAIL PROTECTED]> wrote:
> > > Rupert,
> > > 
> > > May I request you to elaborate in little more
> > details about this roaming
> > > feature?
> > > 
> > > Thanks
> > > Lalit 
> > > 
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED] On Behalf
> > Of Rupert Wever
> > > Sent: Saturday, February 21, 2004 10:13 AM
> > > To: balan h; [EMAIL PROTECTED]
> > > Subject: Re: [BAWUG] RTS threshold question
> > > 
> > > Balan,
> > > 
> > > Some (if not most) 802.11 NIC clients use this RTS
> > treshold
> > > to make roaming decisions.  Perhaps that's the
> > reason?
> > > 
> > > -RW
> > > --- balan h <[EMAIL PROTECTED]> wrote:
> > > > Hi,
> > > >  The RTS threshold value in many Access ports is
> > set
> > > > to 2300+ bytes as default value. This is
> > apparently to
> > > > disable RTS/CTS exchanges. I dont understand why
> > we do
> > > > this.
> > > >  Isnt the RTS/CTS exchange used only in the
> > > > 'Contention Period' of 802.11 where the Access
> > point
> > > > does no polling? Then shouldnt we enable RTS/CTS
> > > > exchange most of the time by setting RTS
> > threshold to
> > > > a low value, to avoid collisions?
> > > > 
> > > > 
> > > > balanh
> > > > 
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