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Research on Key Technologies and Application of Distributed Event Notification Services

Author: WangYang
Tutor: WangZhenYu
School: Institute of Software
Course: Computer Software and Theory
Keywords: Publish / Subscribe Systems Event Notification Service Event Filtering Complex event detection Software Architecture
CLC: TP311.52
Type: PhD thesis
Year: 2004
Downloads: 251
Quote: 5
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Abstract


Extensive application of the Internet makes based request / response of a point-to-point synchronous communication can not meet the large-scale dynamic distributed application environment. Event-based communication publish / subscribe (Publish / Subscribe) model is to support the effective communication of large-scale distributed systems. This model supports publishers and subscribers in time, space, and synchronization of uncoupled, and many-to-many communication mode, to meet the large-scale distribution of the basic requirements of the event notification service. The papers in the analysis and summary of the principle of distributed event systems, applications and key technologies on the basis of content-based event filtering technology, complex event detection technology and dynamic reconfiguration distributed event notification service architecture focus research. First, based on BDD (Binary Decision Diagram) model, content-based event filtering system, an event filtering algorithm using BDD method, this algorithm, a simulation test, analyze, and compare it based predicate index and other methods based on the test network, in the good and bad aspects of time, space and ease of maintenance. Complex event detection technology makes use of event-based communication mechanism system can support the representation of complex event patterns, greatly expanded the event processing capabilities and flexibility of the system. Papers in a large-scale event notification from the event model of the event, the time model and observation model to explore the services on the basis of a common framework, a composite event detection technology in the expansion of the time on the basis of the traditional finite state automata model parameters mechanism and concurrency model, an automata-based complex event detection method and the method with various mainstream method of comparative analysis. Based on the the above core technology research, the paper also studied a distributed event notification service architecture, and design a dynamically reconfigurable distributed event notification service. The architecture allows event processing functions, including event filtering, and composite event detection, while allowing the introduction of non-functional aspects of processing, including security control interactive and mobile operations. The idea of ??software architecture, event-based notification service middleware and model checking technology, formal analysis and design of distributed control systems. Formal model of the design of a distributed control system architecture formal description language ADL / Promela and ADL / the Promela architecture model mapped into the model checking tool SPIN analysis, the use of model checking technology analysis and distributed control systems Check, in order to improve the quality of the design and development of distributed control system. The basis of the theoretical and technical research, papers to service successfully developed integrated intelligent building management system based on distributed event notification, for example, shows the value of the distributed event notification service.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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