a. Suppose we send into the Internet two IP datagrams, each carrying a differentUDP

Chapter 7, Problem P15

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a. Suppose we send into the Internet two IP datagrams, each carrying a differentUDP segment. The first datagram has source IP address A1, destinationIP address B, source port P1, and destination port T. The second datagramhas source IP address A2, destination IP address B, source port P2, and destinationport T. Suppose that A1 is different from A2 and that P1 is differentfrom P2. Assuming that both datagrams reach their final destination, willthe two UDP datagrams be received by the same socket? Why or why not?b. Suppose Alice, Bob, and Claire want to have an audio conference callusing SIP and RTP. For Alice to send and receive RTP packets to and fromBob and Claire, is only one UDP socket sufficient (in addition to thesocket needed for the SIP messages)? If yes, then how does Alices SIPclient distinguish between the RTP packets received from Bob and Claire?

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