Abstract
Ubiquitous Computing is a trending innovation that allows a user to have access to many computers in a transparent manner anytime anywhere thereby enhancing computing confidence. However, the full potential of ubiquitous computing is not yet realised due to challenges including changing location of mobile users, poor network infrastructure, limited system resources, and poor transaction processing model. This work is concerned with the development of a proactive support for active transaction coordination in ubiquitous computing environment. The specific objectives are to identify relevant values of predefined key features of processing units that greatly impact on ubiquitous computing and to predict the processing capability of processing units using relevant values of the predefined features. An object-oriented analysis and system design methodology is employed and the proposed processing unit eligibility identification mechanism and neural network-based classifier is shown to effectively support ubiquitous computing.
Highlights
The shift from Mainframe-based Computing paradigm to PC-based Computing paradigm and to Ubiquitous Computing is a welcome development
Should a mobile user request for Location Dependent Information, the proposed transaction processing model ensures that the request is processed to a logical conclusion without loss of connectivity to data source
A question that is addressed in this work is “How will transaction processing components predict the most eligible processing unit to be allocated a new transaction or a migrated transaction?” In answering this question, varying relevant values of selected attributes of processing units are identified and used as the classification parameters
Summary
The shift from Mainframe-based Computing paradigm to PC-based Computing paradigm and to Ubiquitous Computing is a welcome development. Ubiquitous computing allows a user to have access to many computers in a transparent manner anytime anywhere [1] thereby enhancing computing confidence. The full potential of ubiquitous computing has not been realised [2] due to challenges including changing location of mobile users, poor network infrastructure, limited system resources, and poor transaction processing model. The negative effect of transaction processing systems having frequent disconnections from distributed databases while executing a transaction results in low throughput and response time in ubiquitous computing environment. This is not acceptable as it creates unreliable access to data sources and unnecessary process delays
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