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In this paper we improve on the original model with integrating service in embedded system with using Web service. The new one is developed as the appearance of many organizations providing web service interface for common people. In detail we drop the work of maintaining data source in the building web service infrastructure. In other words in the 3 layer structure we only focus the business layer and display layer except data layer. The publication of XML and the maintaining of data source are responsible for not users but web service provider (WSP). In addition we also build a small embedded Linux system based on the new model to validate its feasibility.