a cdn as a telescope...large scale cdn as a passive observatory. visibility into region specific...
TRANSCRIPT
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Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement.
Marcel FloresSree Priyanka UppuVerizon Digital Media Services
A CDN as a Telescope
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Verizon Digital Media Services’ Edgecast CDN
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● Understand the trends in ISP behaviors
● Large scale routing behavior
● Internet Performance Analysis
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CDN as a Telescope
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Dataset
Client Ip
Country of origin
ASN PoP # Requests
x.x.x.0/24
Brazil 1234 ABC 98765
x.x.x.0/24
Mexico 5678 DEF 43210
x.x.x.0/24
Colombia 1234 GHI 98765
x.x.x.0/24
Chile 5678 ABC 43210
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Request counts by country of origin
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Request counts by country of origin
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AS popularity by country
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AS popularity by country
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AS popularity by country
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AS popularity by country
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Client Requests
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Client Requests
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RTT Penalty of inter-country traffic
Country
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RTT Penalty of inter-country traffic
Country
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● Large scale CDN as a passive observatory.○ Visibility into region specific behavior.○ Routing behavior.○ Penalty incurred in inter-country traffic.
● Provides infrastructure planning insight for the CDN and the larger operator community.
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Conclusion
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Thank you.