Describe the UDP segment fields with the segment structure diagram. (10 Points) Compute the check sum for
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Question:
- Describe the UDP segment fields with the segment structure diagram. (10 Points)
- Compute the check sum for each of the following data payloads. (6 Points)
0x1215 0xFF09 0xFF34 0x1232 0xAAEF 0xAEFF - Differentiate (at least two differences) between Go-Back-N (GBN) and Selective Repeat (SR) protocols. (4 Points)
- Describe the TCP segment fields with the segment structure diagram. (20 Points)
- Five values of SampleRTT are 10 ms, 5 ms, 15 ms, 25 ms, and 30 ms. Compute the EstimatedRTT, DevRTT, and Timeoutinterval after each of these SampleRTT values is obtained. Assume α = 0.125 and β = 0.25. Initial value of EstimatedRTT was 15 ms and initial value of DevRTT was 10 ms just before the first of these five samples was obtained. (15 Points)
- What is TCP fast retransmit? Use an example and explain the working of TCP fast retransmit. (5 Points)
- Describe how TCP flow control is done? (5 Points)
- What are the steps involved in opening and closing a TCP connection? Clearly state what information is exchanged between the client and the server during the opening and closing a TCP connection. (11 Points)
- Briefly explain TCP’s additive increase multiplicative decrease (AIMD) approach to congestion. (5 Points)
- Differentiate (at least two differences) between TCP Reno and TCP Tahoe. (4 Points)
Related Book For
Systems analysis and design
ISBN: 978-0136089162
8th Edition
Authors: kenneth e. kendall, julie e. kendall
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