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Network Function Virtualization (NFV) enables network operators to utilize a common substrate network for offering different networking services flexibly and dynamically in the form of service chains. A service chain in NFV consists of a set of Virtualized Network Functions (VNFs) that are interconnected through a network to form a logical service. VNFs in a service chain are usually implemented on...
IT systems for social infrastructure need to be resilient against a variety of disturbance events including hardware failures, software malfunctions, and application load surges. Techniques of dynamic system reconfiguration such as auto-scaling and auto-healing, which are typically provided in cloud services, can help maintain the system availability and good performance even after disturbance events...
Real-time video surveillance system is becoming an important function to keep safe city by monitoring the places attracting crowds. The system needs to be resilient so that it can timely detect abnormal events and swiftly deliver alerts to security agencies whenever events occur. In this paper, we present an architecture of resilient video surveillance system that persists even when the workload of...
The software-defined infrastructure (SDI), which includes software defined networking (SDN), network function virtualization (NFV), and cloud computing, has the potential to provide the appropriate amount of resources dynamically to maintain SDI service, e.g., web IT service and video service. However, its operation requires expertness and know-how to manage complex configuration. In this paper, we...
Goats are important domestic animals in the south of Thailand due to the minimal cost of rearing and maintaining them, and their production of both meat and milk. Toxoplasmosis is one of the most threatening parasitic zoonoses and the causative agent Toxoplasma gondii uses a wide range of warm-blooded intermediate hosts including the goat. The objective of this study was to assess the seroprevalence...
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