Context transfer of wep keys during roaming

[krishna prasanth]

Hi,
  I have some doubts on roaming & security context 
  transfer.

   When a stations roams from AP1(AccessPoint 1) to
   AP2, how & what parameters need to be transferred.
   I found some on a draft which discusses 802.1x
   context transfer. How about the WEP Keys
   transfer from AP1 to AP2(assuming with and without
   802.1x support & )??
   Is there any specific format which any document
   specifies ?? Or it should be vendor specific??
   If so how about interoperability ??

Any sort of info will be appreciated.
Thanks & Regards
-prasanth




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