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Cloud computing provides the essential infrastructure for multi-tier Ambient Assisted Living (AAL) applications that facilitate people's lives. Resource provisioning is a critically important problem for AAL applications in cloud data centers (CDCs). This paper focuses on modeling and analysis of multi-tier AAL applications, and aims to optimize resource provisioning while meeting requests' response...
Component composition method has always been an essential issue in the field of modeling and simulation (M&S). Discrete Event System Specification (DEVS) is a traditional way to solve this problem. However, as the advancement of information technology including grid and cloud, DEVS encounters its shortcoming in the aspects of network reuse and composition definitions. To tackle this issue,...
With the Internet and the Intranet is growing popularity, the number of clients and intensive task is increasing rapidly, also the volume of business is growing exponentially. The network flow increases rapidly, especially in the key nodes and core network equipment network. And a single Web server processing capacity is limited, which has become the new bottleneck of network access. The Web server...
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