Basic HTML version of Foils prepared April 25 98

Foil 22 Event Broadcasting: Criticism and Answers?

From Overview of Collaboration Systems Tango Tutorial Alliance 98 NCSA Illinois -- April 27 98. by TangoInteractive Team


1 Sharing possible only if applications deterministic
  • applications ARE deterministic or can be made so
2 Copies of applications must be present everywhere
  • but they are, being applets or downloaded via a push channel
3 Environments must be identical
  • Java VM takes care about this
4 Initial state of a newcomer impossible to define
  • not so for good OO design and object serialization mechanism
5 Cannot maintain consistency among copies
  • Difficult ? Impossible. Variety of sync mechanisms available based on JavaBeans/RMI/CORBA etc
6 Web model enables event broadcasting!

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