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Locality aware P2P delivery: the way to scale Internet Video

Jin Li Microsoft Research. Locality aware P2P delivery: the way to scale Internet Video. Outline. The Upcoming Video Tidal Wave Internet Infrastructure: Data Center/CDN/P2P P2P in Microsoft Locality aware P2P Conclusions. Video Will Become the Dominant Traffic On Internet. Source: Cisco.

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Locality aware P2P delivery: the way to scale Internet Video

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  1. Jin Li Microsoft Research Locality aware P2P delivery: the way to scale Internet Video

  2. Outline • The Upcoming Video Tidal Wave • Internet Infrastructure: Data Center/CDN/P2P • P2P in Microsoft • Locality aware P2P • Conclusions

  3. Video Will Become the Dominant Traffic On Internet Source: Cisco

  4. Internet Infrastructure: Data Center DC • Massive data center • Good for: computation intensive application, e.g., Search. • Not good for: massive content delivery (too much stress on the network)

  5. Internet Infrastructure: CDN CDN DC • Content delivery network • Sites strategically placed all over the world • Hundreds plus servers per site • Good for: • Form a high speed network core of the Internet • latency sensitive/throughput hungry application • Serve tail content

  6. Internet Infrastructure: P2P P2P CDN DC • P2P • Peer contributes resource (network bw, CPU, memory, hard drive) • Good for: • Throughput intensive app: improve server scalability, use locality to improve throughput to the end peers • Good for distributing popular content

  7. P2P vs. CDN: Peak & Trough

  8. Branch Cache: An Infrastructure Less P2P Solution

  9. P2P & DRM : Seperating Content Delivery & Authentication

  10. P2P & ISP • P2P is the main driving force for broadband adoption • P2P affects QoS levels for ALL subscribers • P2P represents 60% of Internet traffic and still growing • 92% of P2P traffic crosses transit/peering links • 80% of upstream capacity is consumed by P2P • As content provider uses P2P to deliver content, their costs are being passed onto service providers

  11. Internet Architecture Internet Backbone Local Access Network

  12. P4P Architecture

  13. Conclusion • Peer assisted delivery is the way to go for mass content delivery over the world • Peer assistance can significantly reduce server bandwidth requirement • Demonstrated in real world for file sharing & broadcast • Locality aware P2P delivery is the way to scale

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