Suppose nodes A and B are each behind their own NAT firewall (9.7 Network Address Translation). A...

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Suppose nodes A and B are each behind their own NAT firewall(9.7 Network Address Translation).

A ──── NAT_A ──── Internet ──── NAT_B ──── B

A and B attempt to connect to one another simultaneously, usingTCP. A sends to the public IPv4 address of NAT_B, and vice-versafor B. Assume that neither NAT_A nor NAT_B changes the port numbersin outgoing packets, at least for the packets involved in thisconnection attempt. Show that the connection succeeds. (Note that,because A has already sent a packet to B at the time B’s packet toA arrives at NAT_A, the latter packet is allowed through, and isdelivered to A.)

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An Network address translation is the networking method where it converts the private ip to public ip so that the unnecessary traffic doesnot make any disturbance to the network NAT is widely used networking method and majorly used the virtual machines    See Answer
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