T-110.551 Seminar on Internetworking 2005

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T-110.551 Seminar on Internetworking 2005

• Sasu Tarkoma

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Topic 1 Content-based Routing with Overlays

• Content-based routing
• Clients subscribe information using explicit
  interest specifications
• Information is routed from producers to clients
  who have matching subscriptions
• Related work Hermes, i3, Scribe, ..
• Main question What overlay technology or what
  kind of an overlay technology should be used?
  What are the tradeoffs?
• Secondary questions What about security?

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Topic 2 Optimizing Rendezvous-point based
Overlays

• Related work i3, ROAM, Tapestry, many papers on
  caching in overlays
• Main question How should rendezvous-points
  placed on an overlay?
• Many current systems use uniform placement
• ROAM has additional mechanisms
• Assumptions on locality of queries / traffic
• Secondary question Caching and replication of
  RPs

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Topic 3 Peer-to-peer Information Sharing in
Mobile Environments

• Related work JXTA
• Uses fixed infrastructure
• Mobility / wireless extensions
• Main question How to do queries without fixed
  infrastructure? What are the tradeoffs?
• Secondary question What about security?