COMPUTING TCP'S RTT AND TIMEOUT VALUES Suppose that TCP's current estimated values for the round trip time (estimatedRTT) and deviation in the RTT (DevRTT) are 310 msec and 45 msec, respectively (see Section 3.5.3 for a discussion of these variables). Suppose that the next three measured values of the RTT are 360 msec, 330 msec, and 350 msec respectively. application TCP IP link physical QUESTION 3 OF 9 What is the TCP timeout for the first RTT? Answer RTT Internet Compute TCP's new value of DevRTT, estimated RTT, and the TCP timeout value after each of these three measured RTT values is obtained. Use the values of a = 0.125, and ß = 0.25. Round your answers to two decimal places after leading zeros. application TCP IP link physical

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Assume that a TCP process A first measures the actual round trip time to TCP process to be 30 ms, and A thus sets its estimated round trim time to be 30 ms. The next actual round trip time that A sees is 60 ms. In response. A increases its estimated round trip to 50 ms. another The next actual round trip time that A sees is 40 ms. What is the next estimated round trip computed by A?

Consider two hosts Pand Q connected through a router R. The maximum transfer unit (MTU) value of the link between Pand Ris 1500 bytes, and between Rand Qis 820 bytes. A TCP segment of size 1400 bytes was transferred from P to Q through R, with IP identification value as Ox1234. Assume that the IP header size is 20 bytes. Further, the packet is allowed to be fragmented, i.e., Don't Fragment (DF) flag in the IP header is not set by P. Which of the following statements is/are correct? (a) Two fragments are created at R and the IP datagram size carrying the second fragment is 620 bytes. (b) If the second fragment is lost, P is required to resend the whole TCP segment. (c) TCP destination port can be determined by analysing only the second fragment. (d) If the second fragment is lost, R will resend the fragment with the IP identification value Ox1234