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Network Characteristics of Video Streaming Traffic

Network Characteristics of Video Streaming Traffic. Ashwin Rao , Yeon-sup Lim, Chadi Barakat, Arnaud Legout, Don Towsley, and Walid Dabbous. Univ. of Massachusetts  Amherst. INRIA Project Planete Sophia Antipolis. Video Streaming in the Internet. 20% to 40 % of Internet Traffic.

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Network Characteristics of Video Streaming Traffic

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  1. Network Characteristics of Video Streaming Traffic Ashwin Rao, Yeon-sup Lim, Chadi Barakat, Arnaud Legout, Don Towsley, and Walid Dabbous Univ. of Massachusetts  Amherst INRIA Project Planete Sophia Antipolis

  2. Video Streaming in the Internet 20% to 40 % of Internet Traffic Containers What are the Network Characteristics of Video Streaming Traffic ?

  3. Generic Behavior of Video Streaming Steady State Off On Average rate during steady state Block Size Download Amount Buffering Time

  4. Streaming Strategies Identified OFF OFF No On Off Cycles Long On Off Cycles Short On Off Cycles

  5. Streaming Strategies Used Streaming strategy depends on type of application and container

  6. Streaming Strategies Comparison Strategy Metric

  7. Open Questions for the CCN community • Should CCN nodes be aware of the underlying streaming strategy? • What is the optimal streaming strategy for CCN? • Is there an optimal caching strategy for a given streaming strategy? • What is the impact of user interruptions due to lack of interest on CCN caches?

  8. THANK YOU ashwin.rao@inria.fr arnaud.legout@inria.fr

  9. BACKUPS

  10. YouTube Streaming Strategies

  11. Open Questions for CCN community • Should CCN nodes be aware of the underlying streaming strategy? • What is the optimal streaming strategy for CCN? • Is there an optimal caching strategy for a given streaming strategy? • What is the impact of user interruptions due to lack of interest? ashwin.rao@inria.fr arnaud.legout@inria.fr

  12. Netflix Streaming Strategies

  13. Data Set and Locations

  14. Conclusions • Streaming Strategy depends on browser and container • Migration from one strategy to another can have a non-negligible impact Raw File Transfer vs Periodic Buffering vs No ack-clock

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