SUBJECT : COMPUTER NETWORKING (PLEASE PROVIDE COMPLETE RELEVANT SOLUTION) Mr. Hadi sent an email using 01 Gbps network bandwidth which contained a message size of 2.5-KB (Kilobyte). Mr. John is X km away from sender (where X is 627) who received email at speed of light travels at 2.4 × 108 m/s. You may need to calculate propagation time and the transmission time for the entire communication. Draw the figure by labelling all above mentioned values and add screen shot in your answer along with your solution.

SUBJECT : COMPUTER NETWORKING (PLEASE PROVIDE COMPLETE RELEVANT SOLUTION) Mr. Hadi sent an email using 01 Gbps network bandwidth which contained a message size of 2.5-KB (Kilobyte). Mr. John is X km away from sender (where X is 627) who received email at speed of light travels at 2.4 × 108 m/s. You may need to calculate propagation time and the transmission time for the entire communication. Draw the figure by labelling all above mentioned values and add screen shot in your answer along with your solution.

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter8: Data And Network Communication Technology

Section: Chapter Questions

Problem 2PE

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Use again the network architecture provided in the figure above, were RS, RC and Ri for i = {1,2,3,4}, the transmission rates of the server link, client link and intermediate network links. Consider a message that is 60 · 106 bits long that is to be sent from client to server. Ignore propagation, queuing, and processing delays. a.Now assume that Rc = 60Mbps, Rs = 40Mbps, R1 = R3 = 30Mbps, R2 = 10Mbps and R4 = 20Mbps. Suppose that the message is segmented into 6000 packets, with each packet being 10,000 bits long. How long does it take to move the first packet from source host to the first switch? When the first packet is being sent from the first switch to the second switch, the second packet is being sent from the source host to the first switch. At what time will the second packet be fully received at the first switch? b) How long does it take to move the file from source host to destination host when message segmentation is used if path R3, R4 is chosen?
1.) There is a data that has a file size of 26Mb with an ethernet overhead of 8 Mb. Find the Total amount of data to be transferred and Throughput, if there is an amount of data loss of 15 Mbps due to errors and acknowledgments. 2.) Assume that the distance between the sender and the receiver is 5000 km and that light travels at 1.7 x 108 m/s. What is the propagation time and the transmission time for a 1.44 MB message if the bandwidth of the network is 3 Mbps? 3.) An analog signal has a bit rate of 36000 bps and a baud rate of 1200 baud. How many data elements are carried by each signal element? How many signal elements do we need?
A data channel at 5 Gbps is shared by two users. Assume that each user is transmitting at 2.5Gbps data rate continuously. Each user only transmits only 30% of the time. (a) If circuit switching is used, how many users can be supported? (b) If packet switching is used, would there be queuing delay to accommodate these two users? If a third identical user is added will there be a queuing delay? (c) What is the probability that a user is sending data? (d) Now assume three users under packet switching. Compute the probability that at any given time all three are transmitting at the same time. What is the fraction of time when the queue is growing?
Unless specified otherwise, use the free space propagation speed of light 3x108 m/s to calculate the propagation delay. For numerical calculations, the results must show the appropriate unit. Show a complete solution for each problem1. Consider a client-server system with the following parameters and requirements. The client transmits 10x10^6 bits of data every minute to the data server connected directly to it. The transmission link speed is 20x10^6 bps. Each packet is 2,000 bytes long which includes a 20-byte packet header.a. Calculate the number of packets generated per second for data transmission at the client node.b. The system requires every packet must be delivered within 4 ms of generating a data packet. Calculate the maximum link distance between the client and the server that still can meet this requirement. Ignore processing and queuing delays.c. Calculate the number of overhead bits transmitted per second from the client to the server.
Q. Determine the efficiency of a token ring with a data rate of 250Mbps, a ring latency of120 µsec and 5000 bit packets. Assume N hosts want to transmit and each host holds the token for a maximum of frame transmission time.
Use again the network architecture provided in the figure above, were Rs, Rc and Ri for i = {1,2,3,4}, the transmission rates of the server link, client link and intermediate network links. Consider a message that is 60 · 106 bits long that is to be sent from client to server. Ignore propagation, queuing, and processing delays. c.How long does it take to move the file from source host to destination host when message segmentation is used and both path R1, R2 and path R3, R4 are used? How many packages should be routed from path R1, R2 and how many from path R3, R4 in order to maximize the use of the network? d.What is the end to end throughput if path R1, R2 is used, and what if path R3, R4 is used? What is the total throughput from client to server (if both paths are being used at the same time)?
a. Assume there are one million books in your campus library. Approximate (to the nearest order of magnitude) how many bytes of data there are if all these books were stored online and accessible across a computer network. b. How long does it take to transfer the entire collection of books if the data rate of the transmission medium is 10 Mbps, the speed of the original Ethernet? How long does it take if we have a line with a speed of 1 Gbps? (This value represents the time needed to download your entire campus library.)
Suppose that R = 1 Gbps and Rc is 300 Mbps and Rs is 200 Mbps. Assuming that the servers are sending at their maximum rate possible, enter the link utilization of the shared link, whose rate is R, below. Enter your answer as a decimal, of the form 1.00 (if the utilization is 1, or 0.xx if the utilization is less than 1, rounded to the closest xx).
Topic: Network Delay Assume two hosts, A and B, that are linked by a single link with a rate of R bps and are spaced m meters away from one another. A packet of size L bits is being sent from Host A to Host B. Suppose that the propagation through the connection is occurring at s meters/second. (Answer the following question while showing work) 1) Assuming that processing and queuing delays are 0, provide an expression for end-to-end delay in terms of m, s, L, and R. 2) Where is the final bit of the packet at time t = dtrans if Host A starts transmission at time t = 0?
A 1-km-long, 10-Mbps CSMA/CD LAN (i.e., Classic Ethernet)has a propagation speed of 200 m/μsec (i.e., how fast the radio signal moves on the link). Thereare no repeaters in this system. Data frames are 512 bits long, including 480 bits of payload (i.e.,effective data) and 32 bits of overhead (e.g., header, checksum, and other overhead fields). Everydata frame should be confirmed by a 64-bit ACK frame. We assume the sender needs to use onecontention slot to seize the channel before transmitting the data frame, and the receiver needsto use one contention slot to seize the channel before transmitting the ACK frame. Answer thefollowing questions: a. What is the minimum length of a contention slot in μsec? b. What is the effective data rate for the sender to send one data frame? Assume that there areno collisions. Show the calculation c. What would be the impact on the total delay and the effective data rate if we used a longerdata payload size in the data frame? Given one application…
COMPUTER NETWORKS: Please solve with solutions and provide correct answer An application message is segmented into 20 packets, each of which is 1000-byte in size. Caculate the end-to-end delay for the message when the bit rate for any node is 1 Mbps, the optical path total distance is 2000-km, and the queuing and processing delays are 1-ms and 1-ms, respectively. There are 4 intermediate routers in the path, each of which uses the store-and-forward approach.
A 3000 km long trunk operates at 1536 Mbps and is used to transmit 64 byte frames and uses SWP. If the speed is 6 usec/km, how many bits should the sequence numbers be? Solve it correctly , else i will downvote.