Jim Reid wrote:
>>>>>>"teemu" == <[EMAIL PROTECTED]> writes:
>
>
> teemu> I'd like to point out that any additional (round trip)
> teemu> delay in configuration phase, especially in wireless
> teemu> (cellular) environments, is _not_ user friendly. Please
> teemu> consider those 200.000.000+ million cellular users opening
> teemu> a network link for browsing etc. purposes who have to wait
> teemu> every time for yet another round trip .....
>
> While I agree that minimising delays and RTTs is always desirable,
> your argument is a bit of a non-sequitur. There's usually a delay of
> 10-15 seconds after a mobile phone is powered on or roams from its
> home provider before it has finished the authentication dance and
> joined some mobile operator's network.
Just FYI, we developped a protocol over 802.11 WLAN with defact
standard psuedo adhoc mode to perform, with three-way handshake,
everything, including beaconing, mutual authentication between an
access point and a mobile node, sharing session key and address
assignment, which is a lot better than 802.1x requiring several
exchanges of packets.
We observed it work with 802.11 WLAN on mobile hosts moving at
260Km/h, for which 10-15 seconds are prohibitive.
Masataka Ohta
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