Basic HTML version of Foils prepared February 20 1999

Foil 9 Distributed Objects are less secure

From DATORR and New WebFlow and Gateway Developments Second DATORR Meeting Sandia National Laboratory -- February 15-16 1999. by Tom Haupt


can play both client and server
  • in client/server you trust the server, but not clients
evolve continually
  • objects delegate parts of its implementation to the other objects (also dynamically composed at runtime). Because of subclassing, the implementation of an object may change over time
interaction are not well defined
  • because of encapsulation, you cannot understand all the interactions between objects
are polymorphic (ideal for Trojan horses!)
can scale without limit
  • how do you manage access right to millions of servers?
are very dynamic



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