Study on the Design of Flexible Distributed Systems

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With the increasing speed of computers and communication links, and the successful convergence of both field, computers connected by high speed links now represent and enormously large distributed computing system. At the same time, communication between man and machine is also becoming more diverse and personalized. Networking issues such as evolution of user services, seamless communication between hosts, failure recovery and integration of new technologies arise daily. Problem-specific approaches and corresponding solutions are available at considerable cost. However, a common requirement is adaptability of the computer network to a variety of changes.The purpose of research is first to over- come the drawbacks of present day information processing, simultaneously to foresee the problems that would further sprout with the coming of the new century, and finally to create an environment which could solve those problems in a graceful way, if not optimally. Whenever a change occurs in any part of the information system, the flexible computing environment would absorb it intelligently, homeostatically evolutionarily.In this research, we propose Flexible Computer Communication Networks (FN) as a uniform solution to most of these networking problems. The framework of Flexible Networks can be considered as an intelligent shell enclosing existing networking architectures. An agent - oriented implementation of flexible network is outlined. The conversion of existing network to flexible networks is shown to be incremental, and therefore practicable.The project includes the members from five nations, i. e. Prof. N. Shiratori (Tohoku Univ. ), Prof. Y. Shibata (Toyo Univ. ), and Prof. M. Takizawa(Tokyo Denki Univ. ) from Japan, Prof. Ming T. Liu(Ohio State Univ. ) and Prof. Malio Gerla(UCLA) from USA, Prof. S. M. Deen (Keele Univ. ) from UK, Prof. M. Papazoglou(Tilburg Univ. ) from the Netherland, and Prof. A Min Tjoa(Vienna Univ. of Technology) from Australia.