Two-level Addressing o Things are different when changing ones point of attachment to the internet o Mobile node mn, or mobile host (MH), in the mobile computing environment may change its point of attachment to the internet say from 140.124.182Xto128.10.7ZTwo-level Addressing  Things are different when changing one’s point of attachment to the internet.  Mobile node (MN) , or mobile host (MH), in the mobile computing environment may change its point of attachment to the internet, say from 140.124.182.X to 128.10.7.Z