What is the round-trip time to each of the two hosts

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Reference no: EM133658954

Problem

Unix utility traceroute or its Windows counterpart tracert can be used to find the number of hops between two end stations and the delay incurred from the initiating host to each router along the way. Use traceroute to measure the number of hops and delay from the course VM (icsi416-sp24.its.albany.edu) to one host in Eastern Europe (the web server of Technical University Sofia at www.tu-sofia.bg) and one host on the East coast (the web server of Princeton at www.princeton.edu). Answer the following questions, indicating in the answer field which sub-question you are answering.

A. a screenshot of your traceroute output and upload it as an image to this question. Your snapshot should include the line with the traceroute command.

B. What is the difference in hop count between UAlbany and TU-Sofia and between UAlbany and Princeton. How well does the number of hops correlate with the geographical distance?

C. What is the round-trip time (RTT) to each of the two hosts? How well does it correlate with the geographical distance?

D. Do you see any sudden increases in the RTT between consecutive routers along the path? Why?

E. What is the sequence of routers from our VM to the edge of the UAlbany network?

F. Based on the traces, can you infer who is UAlbany's upstream ISP provider?

G. Run traceroute in two distinct parts of the day (say midday and late at night). Note the time of each run and comment on the differences you observe in number of hops and RTTs.

H. Assuming that each traceroute probe packet was 100Bytes and that the link between our VM and www.tu-sofia.bg is symmetrical (i.e. the one-way delay from UAlbany to TU-Sofia is ½ of the round-trip-time), what was the achieved end-to-end throughput on the link from our VM to www.tu-sofia.bg? Show your work.

Reference no: EM133658954

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