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The loosely-coupled and dynamic nature of web services architectures has many benefits, but also leads to an increased vulnerability to denial of service attacks. While many papers have surveyed and described these vulnerabilities, they are often theoretical and lack experimental data to validate them, and assume an obsolete state of web services technologies. This paper describes experiments involving...
Service-oriented Architecture (SOA) is increasingly relevant across several domains of application by promising systems openness and unification over a common design and communication paradigm. At device level, the application of SOA is carried, on one hand, by Devices Profile for Web Services (DPWS) and complementary web-based specifications oriented towards resource management, and, on the other...
In a Sensor Web environment, sensors are heterogeneous. The Sensor planning service offers a standardized interface for the control of sensors and simulations. But some complex sensors like satellite need midterm or long-term action to response a given task, so, adding asynchronous support in SPS is necessary. The workflow description language can chain asynchronous web service together while it has...
Average information workers spend most of their time for searching, analyzing, reformatting and consolidating information. The recent advent of service-oriented architectures (SOA) built on Web services is a first attempt to streamline respectively automate those tasks in order to increase productivity. SOAP-based services work well within a company and are thus mainly used to for the integration...
As the internet developing, web-based applications are increasingly popular in service-oriented architecture. Web service has XML support, which is the most suitable technology to achieve service-oriented architecture. Web service is essentially an interface which enables the isolations between different sites to communicate with each other. In this paper, based on .NET platform for web service and...
Despite advances in hardware and software technologies, it remains challenging to develop Web services software that are correct, efficient, and flexible. Some challenges arise from increasingly demanding end user requirements for itpsilas quality and functionality. Other challenges arise from complexities associated with integrating embedded systems composed of modular components. Web services represent...
PHP is well known as a programming language in the Web 2.0 era enabling agile server-side software development. It has officially supported SOAP messaging since version 5 through a C-based built-in library. In this paper we perform a thorough study of the capability of PHP as a Web service engine in both qualitative and quantitative aspects while comparing it with other Web service engines implemented...
In this paper, we first review existing approaches of XML Web services for process monitoring and control, and then provide the limitation under consideration of existing approaches. We propose a framework for implementation of OPC Web service based on SOA (service-oriented architecture), OPC UA (unified architecture) technology, and OOD (object-oriented design). In order to overcome the limitation...
Web-service application has become more important for sharing information among organizations. In this paper, we proposed Web-service application for poultry traceability system. The traceability system is required for identification and verification of the products. The system architecture and algorithm are presented in two different models depending on the party who handles the server operation...
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