CSCI368: In a mobile roaming system, there are three entities: a mobile user U, its home server H: Network Security Assignment, UOW, Singapore
5. In a mobile roaming system, there are three entities: a mobile user U, its home server H, and a foreign server V. The mobile user U, who is subscribed to the home server H, is currently in a foreign network administered by the foreign server V. There is a direct link between U and