Download - Going Viral: Flash Crowds in an Open CDN
Transcript
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Going Viral:Flash Crowds in an Open CDN
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What is a Flash Crowd?
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Key Questions
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CoralCDN
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CoralCDN
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The Data
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Finding Crowds
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Crowd Sources
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Common Referrers
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Common Referrers
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Common Referrers
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Common Referrers
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CDN Caching Strategies
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Cooperation in Caching
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Benefits of Cooperation?
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Clients Use Many Proxies
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Crowds Contain Many Objects
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Benefits from Cooperation
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Provisioning Resources For Crowds
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Examples of Resource Provisioning
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Required Resource Spin-up Time
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Conclusions
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Questions?
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Extra Slides / Charts
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Actual Spin-up Times on EC2
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How Fast is Fast?
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Origin Hits Saved by Cooperation
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Bursty Redirection
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Clients Distributed Widely
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Detecting Crowds
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Crowd Mitigation/Insurance