Distributed Software Engineering

1
Middleware
2
Middleware

• Software systems used for integration.

3
Classification

• RPC
• Asynchronous message passing
• Language specific J2EE, smalltalk,C
• Language independent CORBA, RMI-OPII
• Proprietary vs. Standard-based
• Embedded vs. Enterprise

4
Desirable characteristics

• Flexible
• High levels of performance
• Simplicity. Too many configuration hooks frighten
  new users.
• Tuning through configuration rather than through
  programming.
• Facilitate internet-scale application-to-applicati
  on integration.