I need help with Project 5-3 Latency Around the World

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268 Chapter 5 Network Cabling 23e 21 13 t 220 their connections when storing them rigure 5-54 Attach the plug and jack together to protect In this chapter, you learned that latency is the delay caused by the time it take mesages to travel over nerwork media from one place to another. This conse is easy to see in the real world, where it takes longer, for example, to tra Project 5-3: Latency Around the World acrou the country than it does to go to the grocery store. Even though network messa place to another round trip time travel much faster than a car or even a jet plane, it still takes time for them to get from ons lo the following steps you will experiment to see how distance affects a message's RTT 19 121 20 13 22 130 1. Open a command prompt and run tracert on a Web site whose servers are locatd on a different continent from you, across one ocean. If you're located in the Midwest or Eastern United States, for example, you can run the command tracert London Business School). If you are on the West Coast, however Figure Source M rou might get more useful results for this step by targeting a server across the Pacifc Ocean, such as tracert nw.tiu.ac.jp (Tokyo International University), U. fre for an Ubuntu or other Linux installation, you can use traceroute rather than trapect for this project. But you first must install the traceroute utility. On use this command tr eudo spt-get inatall traceroute 2. Esamine the ourput and find at what point in the route messages started jumping across the ocean. By what percentage does the RTT increase after the jump with before it? You can see an example in Figure $-55. es To cakculate the percentage for this jump, you would select a time from Juso ump(126, for example, and divide it by a tine from just before the lumpmple 4S, then multiply by 100 percent: 126 /45 x 100 - 280. In this case, the ncessaigs would yield a 280 percent increase, It takes nearly three times as long tor a aland go round trip across the Adlantic from the United States to Manchester, Engnd ne location of this fist European router) as it does for a messag the jump ( Entel and ihe t i thc volh locared on the U.S. East Coast (this losa 3. Choose a Web site whose serv example, you could trace the re chuacin flow many hopt d d e the University of Delhi in India at twhar o anomalies do you notice about this global route? ers are on a continent even farther away from you t take until the route crossed an ocean 2