Back
Back
Next
Next
Examples of current object technologies
Documents-- URL
"General Programs including database invocations"
Old Style Web -- CGI
New Style Web -- XML makes server side objects look like applets as
far as invocation goes
CORBA and COM -- special "interface definition language" (IDL)
defines invocation in C++ like syntax
RMIuses Java language as IDL language
Benefits of distributed objects
allows objects written in different languages to communicate seamlessly
via standardized messaging protocols embodied by middleware.
Higher levels of transparency of interoperability
Objects can be "self-managing" of resources
provides flexible grain of decomposition for building complex systems
Distributed Objects
Technologies for an Information Age: Building the Distributed Object Grid with Java and XML (.opennet)