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Problems of FMIP and Fast RA (3/3) Security association (SA) set-up method between MN and NAR. (being discussed in Mobopts now) With FMIP, FBU messages MUST be authenticated by AR to prevent service from being stolen. However, the SA set–up method for it is not defined, it might take long time... 4. How to reduce L2 HO time. (not defined yet) In the FMIP and the Fast RA, there is no function to reduce the L2 HO processing time. |