Design patterns: elements of reusable object-oriented software
Design patterns: elements of reusable object-oriented software
Pattern languages of program design
Experiences in Telecommunications Protocols with an OO Based Implementation Framework
ECOOP '97 Proceedings of the Workshops on Object-Oriented Technology
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This paper discusses an asynchronous event-based object-oriented framework, OVOPS, employing the usage of design patterns to incorporate and interwork with a CORBA enabled environment. Distributed programming is constantly evolving into a very realistic technology which enhances systems integration through interoperability, adaptability and flexibility. However such advantages, coupled with performance, can only be gained by the proper analysis and design of the systems or frameworks in question. A critical examination would reveal that such a framework can be made realistically possible through the usage of object-oriented methods combined with the elegance of design patterns and the advances made in CORBA technology. The described environment will ensure consistent creation of protocols and other such similar services through reusable object-oriented components communicating over a heterogeneous network while addressing certain shortcomings, such as ensuring asynchronous communication remaining guaranteed and providing native event and message based features without resorting to CORBA-based messaging and event services. It also attempts to shield the developer from network specific issues by providing a more generic but very consistent technique to interface to the underlying services. Two areas in which such a framework can be employed are described within the Intelligent Networks realm to illustrate the available methods and practices.