These data correspond to an experiment conducted by Coates et al. to measure the difference in delay experienced by packet probes sent over the Internet during a short period in 2001, from a desktop computer in the ECE department at Rice University to similar machines at ten other university locations. The data were intended for use with a newly proposed method of Internet topology inference.
The data is provided in two files.
delaydata is a three-column
data frame. The first columnf is the difference in delay of the small
packets (in milliseconds). The second column is the numeric code of
the destination of small packets. The third column is the numeric code
of the destination of large packet.
host.locs contains the character code of the destinations:
‘IST’ Instituto Superior Tecnico (Portugal)
‘IT’ Instituto de Telecomunicacoes (Portugal)
‘Bkly’ University of California, Berkeley
‘MSU1’ Michigan State University (Host 1)
‘MSU2’ Michigan State University (Host 2)
‘UIUC’ University of Illinois, Urbana-Champaign
‘UWisc1’ University of Wisconsin, Madison (Host 1)
‘UWisc2’ University of Wisconsin, Madison (Host 2)
‘RiceU1’ Rice University (Host 1)
‘RiceU2’ Rice University (Host 2)
Provided by Mark Coates, see reference below. Please cite the reference below if you use this dataset in your work.
M. Coates, R. Castro, R. Nowak, M. Gadhiok, R. King, Y. Tsang, Maximum likelihood network topology identification from edge-based unicast measurements. Proceedings of the 2002 ACM SIGMETRICS International Conference on Measurement and Modeling of Computer Systems, 2002, pp. 11-20.
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