A CDN as a Telescope...Large scale CDN as a passive observatory. Visibility into region specific...
Transcript of A CDN as a Telescope...Large scale CDN as a passive observatory. Visibility into region specific...
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Marcel FloresSree Priyanka UppuVerizon Digital Media Services
A CDN as a Telescope
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Verizon Digital Media Services’ Edgecast CDN
● 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
● 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
Thank you.