Basic HTML version of Foils prepared October 19 1999

Foil 35 Events (Messages) and Data

From Tango for Distance Education and Training Today Rice University Tango Tutorial -- October 18 1999. by Geoffrey C. Fox
Since TANGO uses central server architecture, there are system scalability concerns.
System makes careful distinction between event and data distribution pathways
  • events are always distributed via collaboratory server
  • data may be distributed via collaboratory server for thin data streams
  • voluminous data are either distributed directly between application instances or delivered from HTTP or other servers
  • peer-to-peer application data exchange may use multicast if necessary
  • certain TANGO applications are therefore implemented as Web browsers for specialized data types (e.g., GIS Open Inventor Web browser)

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