Understanding Availability

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Understanding Availability

• Seminar
• The Economics of Peer-to-Peer Architectures
• Humboldt-Universität,
• Institut für Wirtschaftsinformatik,
• André Rosin

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Understanding Availability

• A paper by Ranjita Bhagwan, Stefan Savage and
  Geoffrey M. Voelker
• What does availability in the
• context of p2p-systems mean?

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The Problem of Availability

• existing measurements and models do not
  capture the complex time-varying nature of
  availability in todays peer-to-peer environments
  

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Practical Discussion

• Empirical characterization of the availability of
  a large p2p-system
• Overnet
• over a period of 7 days.

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End of Announcement

• Thanks for Your attention!