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With the increase of users and the deployment requests, the issue of dynamic deployment in PaaS becomes prominent. Different approaches of application deployment have been deeply discussed, but the issues like fast response to a large number of concurrent deployment requests are rarely focused. In this work, we extend Nginx as a dynamic reverse proxy to support dynamically remote configuration for...
Logistics network design is a strategic issue for nearly all companies. In the past, a logistics network once established was used for several periods. However, recent years have seen a rapidly changing economic environment. Trends in markets, shifts of customer clusters, changes of cost structures, and increasing competition are some of the aspects compelling companies to periodically redesign their...
With the advent of cloud computing, more services should be delivered from a cloud or datacenter to clients via Internet. Web Services has many mature specifications and has become a popular mode to support cloud application. However, the performance has been a key character to guarantee the quality of remote service in a cloud. In particular, the Simple Object Access Protocol (SOAP), being based...
Service composition is a promising technique for developing applications especially for those across multiple organizations. The dependability of composite services, however, is difficult to be guaranteed due to the distributed, dynamic and autonomous characteristics of service domains. In this paper, we address this problem by proposing a novel approach-PASCAL (Protocol-based Approach for Web Service...
Services composition technology provides a promising way to create a new service in services-oriented architecture (SOA). However, some challenges are hindering the application of services composition. One of the greatest challenges for composite service developer is how to select a set of services to instantiate composite service with quality of service (QoS) assurance across different autonomous...
The efficiency improvement of Hybrid Electric Vehicle (HEV) is strongly dependent on the system-level control of the power flow in both the mechanical and the electrical paths of the vehicle. This is realized by the HEV control strategy. In this paper, a control strategy is proposed for a medium sized Series Hybrid Electric Vehicle (SHEV) designed for campus and gymnasium. The control strategy is...
Through systematic analysis and comparison of the common features of SA (simulation annealing), ES (evolution strategy) and traditional LS (local search) algorithm, a new hybrid strategy of mixing SA, ES with LS, namely HIEA (hybrid intelligent evolutionary algorithm), is proposed in this paper. View as a whole, the hybrid strategy is also an intelligent heuristic searching procedure, but it has some...
Organizational network is one type of complex network featured distinct hierarchical structure, and the kernel of e-Government is information sharing and exchange based on organizational network. Therefore, the establishment of a manageable, scaleable and well- performed network structure becomes one of the crucial parts of the solution to the core problem in e-Government. This paper analyzes the...
Hybrid electric vehicle is considered as the most promising solution to energy crisis and urban air pollution. However, as it has at least two sets of propulsion systems, its configuration is complex. To get better fuel economy and vehicle performance, the design and sizing of its powertrain components are important. In this paper, an HEXA optimal sizing method combining optimization algorithm and...
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