VeriSign Research

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VeriSign Research
Sapphire Incident with Roots and VeriSign GTLDs
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GTLD Summary

• GTLD servers were available and answering queries
• Only one GTLD server had operational issues

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Daily Graph
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All-sites
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M off-line
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Impact on the roots

• Taken from RIPE's root server monitoring service
• 60 measuring points monitoring roots once a
  minute
• Most are within Europe
• Two roots were impacted
• B, G
• B -educational
• G - USDOD
• A and J reported seeing less than normal traffic

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Impact across Root Constellation
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Impact across Root Constellation
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Normal Operating Root
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Impact on B Root
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Impact on G Root
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Summary

• Root and GTLD system held up
• Congestion was at edges or bottlenecks in stream