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Content Delivery Networks in Flux

Content Delivery Networks in Flux. Bruce Maggs Duke University Akamai Technologies. A Short History of America by R. Crumb. Client-Server. Web Hosting. Caching Hardware. Peer-to-Peer. Content-Delivery Networks. ISP-operated CDNs. Content-Provider CDNs (Hyper Giants). CDN Brokers.

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Content Delivery Networks in Flux

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  1. Content Delivery Networks in Flux Bruce Maggs Duke University Akamai Technologies

  2. A Short History of America by R. Crumb Client-Server Web Hosting Caching Hardware Peer-to-Peer Content-Delivery Networks ISP-operated CDNs Content-Provider CDNs (Hyper Giants) CDN Brokers Hybrid CDNs Licensed CDNs Federated CDNs? Future Internet Architectures

  3. Trends • Divergence of architectures • Commoditization (e.g., video) • Longer tail in object popularity distribution

  4. Akamai Network Deployment 2197+POPs 127,000+Servers 1164+Networks 81Countries

  5. Akamai Statistics • Peak bit rate: 13.1 Tbpson 3/13/2013 • Peak HTTP daily requests: 2.59 trillion on 9/23/12 • 560.1M unique IPv4 addresses connected to Akamai on 3/6/2012 • 683M in Q3 2012

  6. How Big is the CDN Market? 2012 Data (Source: Bloomberg BusinessWeek)

  7. Content Provider Requirements • Verifiable reliability • Access control • Invalidation • Accounting

  8. High-Margin Services • Web site acceleration (latency reduction) • “Intelligence” about end users • Protection • Bells and whistles – rapid software changes

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