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| • |
Measures
analyzes & reports round-trip
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times, losses,
availability, throughput ...
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Uses ubiquitous
ping, no special host, or
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software to
install/configure at remote
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sites
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Low impact on
network << 100bits/s,
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important for
many DD sites
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– |
Covers 75+
countries (99% of Internet
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connected
population)
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Provides quantitative historical (> 8yrs)
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and near
real-time information
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Aggregate by
regions, affiliations etc.
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How bad is
performance to various
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regions, rank
countries?
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Trends: who is
catching up, falling behind,
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is progress being
made?
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Compare vs.
economic, development
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indicators etc.
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Use for trouble
shooting setting
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expectations,
presenting to policy
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makers, funding
bodies
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