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Why need security between MN and MAP? When CN sends packets to MN's RCoA, MAP intercepts the packets and forwards them to MN's LCoA. Redirect Attacks: if BU message from MN to MAP is not authenticated when MN changes its AR, an attacker can redirect traffic from MAP to fake destinations. Only the authorized users can use the MAP HA: Home Agent CN: Correspondent Node MAP: Mobility Anchor Point AR: Access Router MN: Mobile Node |