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What is different from original operation? HA side: Operation is almost the same as the original, but the key for searching the binding cache is the pHoA instead of the real HoA. MN side: The additional operation is that MN needs to generate a pHoA at every new location and store/update the pHoA in the binding update list. BINDING UPDATE LIST: pHoA iHoA CN HoA CoA Lifetime Seq# BINDING CACHE: pHoA HoA CoA Lifetime Seq# |