Distributed Systems Architecture

LIST OF FIGURES

1.1 Middleware as an infrastructure for distributed systems 2

2.1 Structure of a distributed system 8

2.2 Message exchange between two processes 11

2.3 Client/server model 13

2.4 Error situations with RPC 14

2.5 Decomposition of a problem domain into a set of objects 18

2.6 Method selection using the signature of a message 19

2.7 Middleware for the support of object-based applications 22

2.8 Portability and interoperability 24

2.9 Sequence diagram for account use case 26

2.10 UML class diagram for the account example 27

2.11 Complete application in an address space 29

2.12 Distributed execution of the application 30

3.1 OMA reference architecture 34

3.2 Object framework 36

3.3 Components of a CORBA-based middleware ...