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The service-oriented computing environment (SORCER) [A] is a distributed computing platform implemented in Java. It allows writing network-programs (called " exertions ") that operate on wrapped applications ( services ) to spread across the network .
At the time, network computing was quite popular, and many of the companies involved were working on similar RPC-based systems. By integrating security, RPC and other distributed services on a single distributed computing environment, OSF could offer a major advantage over SVR4, allowing any DCE-supporting system (namely OSF/1) to interoperate ...
Distributed computing is a field of computer science that studies distributed systems, defined as computer systems whose inter-communicating components are located on different networked computers.
Java was now the GUI of choice for client-side applications, and Sun's OpenStep plans were quietly dropped (see Lighthouse Design). NEO was re-positioned as a Java system with the introduction of the "Joe" framework, [2] but it saw little use. Components of NEO and Joe were eventually subsumed into Enterprise JavaBeans. [3]
The client side object participating in distributed object communication is known as a stub or proxy, and is an example of a proxy object.. The stub acts as a gateway for client side objects and all outgoing requests to server side objects that are routed through it.
CORBA enables collaboration between systems on different operating systems, programming languages, and computing hardware. CORBA uses an object-oriented model although the systems that use the CORBA do not have to be object-oriented. CORBA is an example of the distributed object paradigm.
Distributed objects are used in Java RMI. CORBA lets one build distributed mixed object systems. DCOM is a framework for distributed objects on the Microsoft platform. DDObjects is a framework for distributed objects using Borland Delphi. Jt is a framework for distributed components using a messaging paradigm. JavaSpaces is a Sun specification ...
Distributed computing system middleware can loosely be divided into two categories—those that provide human-time services (such as web request servicing) and those that perform in machine-time. This latter middleware is somewhat standardized through the Service Availability Forum [ 9 ] and is commonly used in complex, embedded systems within ...