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A reliable connection-oriented protocol can provide a message-mode service or a byte stream service. Which of the following usages of the sequence numbers is the best suited for each of these services ?
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A network layer service guarantees that a packet will never live during more than 100 seconds inside the network. Consider a reliable connection-oriented transport protocol that places a 32 bits sequence number inside each segment. What is the maximum rate (in segments per second) at which is should sent data segments to prevent having two segments with the same sequence number inside the network ?
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Amazon provides the `S3 storage service <https://s3.amazonaws.com/>`_ where companies and researchers can store lots of information and perform computations on the stored information. Amazon allows users to send files through the Internet, but also by sending hard-disks. Assume that a 1 Terabyte hard-disk can be delivered within 24 hours to Amazon by courier service. What is the minimum bandwidth required to match the bandwidth of this courier service ?
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