Why does the maximum packet lifetime, T, have to be large enough to ensure that not only the packet but also its acknowledgements have vanished?
Answer to relevant QuestionsImagine that a two-way handshake rather than a three-way handshake were used to set up connections. In other words, the third message was not required. Are deadlocks now possible? Give an example or show that none exist.What happens when the user of the transport entity given in Fig. 6-20 sends a zero-length message? Discuss the significance of your answer.Both UDP and TCP use port numbers to identify the destination entity when delivering a message. Give two reasons for why these protocols invented a new abstract ID (port numbers); instead of using process IDs, which already ...Describe two ways to get into the SYN RCVD state of Fig. 6-33.A CPU executes instructions at the rate of 1000 MIPS. Data can be copied 64 bits at a time, with each word copied costing 10 instructions. If a coming packet has to be copied four times, can this system handle a 1-Gbps line? ...
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