Ahsan Habib, MdAbrams, Marc2013-06-192013-06-191998-12-01http://hdl.handle.net/10919/20027We report on preliminary results of analysis into the sources of congestion in international Internet routes from the United States to several countries: Brazil and South Africa. Using the pathchar and traceroute tools, we identified which links in a variety of routes are a bottleneck. The measures used were throughput, round trip delay, and router queueing delays. Measurements with ping were used to validate the round trip times obtained with pathchar.application/postscriptenIn CopyrightTechnical reportTR-98-24http://eprints.cs.vt.edu/archive/00000503/01/TR-98-24.ps