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Active
performance/bandwidth measurements:
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IEPM PingER
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NLANR
AMP
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Surveyor,
RIPE TTM
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CAIDA
Topology Measurement Project (topology focus)
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Active
topology measurements:
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CAIDA
skitter
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ISI
Mercator, Cheswick's Internet mapping
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NLANR
AMP, Surveyor, RIPE TTM (RTT and one-way delay focus)
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