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There are about 52 Speednet sites in North America region. We conducted some first using TULIP1 (PingER only landmarks). We have 10 PingER landmarks in North America region. Then we conducted some more tests using TULIP2 (using both Pinger and Planetlab landmarks). We used about 80 Planetlab landmarks in North America region. When we compared the two results. there were some obvious improvements in the results. The results can be found here Excel sheet can be downloaded here . Here is the frequency of landmarks used in North America. The most frequent landmark used is Chicago_UnitedStates_PL.
Chicago_UnitedStates_PL |
Europe
There are about 52 Speednet sites in Europe. We also compared TULIP1 and TULIP2 for Europe and there were obvious improvements in the results. We have 8 PingER landmarks in Europe. We used 48 Planetlab landmarks in Europe. The results for Europe can be found here . The results can be downloaded here
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