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Computer Networks
Test
Q
Suppose two IPv6 nodes want to interoperate using IPv6 datagrams, but they are connected to each other by intervening IPv4 routers. The best solution here is ________
AA. Use dual-stack approach
BB. Tunneling
CC. No solution
DD. Replace the system
Correct Answer:
B. B. Tunneling
Explanation:
The IPv4 routers can form a tunnel in which at the sender’s side, the IPv6 datagram is encapsulated in to IPv4, and at the receiver’s side of the tunnel, the IPv4 packet is stripped and the IPv6 packet is sent to the receiver.
