Question: a. Suppose we send into the Internet two IP datagrams, each carrying a different UOP segment. The first datagram has source IP address AI, destination

a. Suppose we send into the Internet two IP datagrams, each carrying a different UOP segment. The first datagram has source IP address AI, destination IP address B, source port PI , and destination port T. The second datagram has source lP address A2, destination IP address B, source port P2, and destination port T. Suppose that A I is different from A2 and that PI is different from P2. Assuming that both datagrams reach their final destination, wi II the two UOP datagrams be received by the same socket? Why or why not?
b. Suppose Alice, Bob, and Claire want to have an audio conference call using SIP and RTP. For Alice to send and receive RTP packets to and from Bob and Claire, is only one UOP socket sufficient (in addition to the socket needed for the SIP messages)? If yes, then how does Alice's SIP client distinguish between the RTP packets received from Bob and Claire?

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