TELE4642 – Lab 3 Presentation

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Presentation transcript:

TELE4642 – Lab 3 Presentation Download rates for on and off peak times Terry Ly Anthony Hlaing

Why download rates? Well received service Reputation Reliability One of the most obvious to the user Can help understanding network Potential problems Evaluate service quality

Current Solutions What if our connection is good? What if it’s not? No stress, no worry …most of the time anyway What if it’s not? Change of service provider or plan Upgrade to infrastructure Client-side solutions and/or hacks Download accelerators? P2P systems? Other solutions?

Methodology Wireshark Identify files to download Run during download Identify files to download UNSW Electrical Engineering Video Lecture website Three potential files (contents irrelevant) Download files in varying order Singly (6mb, 11.2mb, 18.5mb) Varying order (1, 2, 3; 3, 2, 1 etc.) Perform experiment in peak and off-peak hours Home Optus Cable Internet faster than EE server Wireshark reports internet speed of 9.46MB/second

Results Versus single file access Average time of 3 seconds File 2 Average time of 7.67 seconds File 3 Average time of 9.4 seconds Total time to download file 1 & 2 individually is 10.67 seconds Total time to download 3 files individually is 20.07 seconds

Results 1-2 configuration File 1 finished after 7.4 seconds

Results 1-2-3 configuration 3-2-1configuration

Results Mostly the same Possible points of extension UNSW servers does not expect high traffic Even on-peak very reliable Possible points of extension Setting up small server to test downloads from (Mini PC’s etc.) Testing accelerators or other methods Accuracy and result improvements More testing Non-shared home connection Larger Files

Conclusion Naturally can assume on-peak demand will be higher (people typically work in the daylight hours!) In the case of certain servers (as in UNSW EET’s) has been shown this may not always be the case Extra bandwidth is provided off-peak by some ISP’s, which may offset the initial assumption (people will want to download as much as they can off-peak)