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Authors:
James F. Kurose, Keith W. Ross
Chapter:
Wireless And Mobile Networks
Exercise:
Problems
Question:15 | ISBN:9780132856201 | Edition: 6

Question

Consider two mobile nodes in a foreign network having a foreign agent. Is it possible for the two mobile nodes to use the same care-of address in mobile IP? Explain your answer.

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Answer

Two mobiles could certainly have the same care-of-address in the same visited network.
Indeed, if the care-of-address is the address of the foreign agent, then this address would
be the same. Once the foreign agent decapsulates the tunneled datagram and determines
the address of the mobile, then separate addresses would need to be used to send the
datagrams separately to their different destinations (mobiles) within the visited network.

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