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Recently, industry demands systematic safety management to decrease accident rates. However, existing safety management in industry worksites depends on a small number of safety supervisors. In particular, in case of shipbuilding industry, thousands of workers are working concurrently in wide areas of worksites. Therefore, choosing and monitoring high risk zones by priority at current status in time...
Recently, as the damage of air pollution due to fine dusts, etc. has been continuously increased, there is a growing need for a low-cost air quality monitoring system to observe air pollution information at public facilities or homes. In this paper, we propose an IoT (Internet of Things)-based atmospheric environment monitoring system which can effectively observe air pollution information without...
In order to reduce operational expenditure (OPEX), network function virtualization infrastructure (NFVI) should be distributed over multiple geographical locations and managed by a centralized and unified management and orchestration system (MANO). In addition, the NFV platform is required to archive a high level of availability and scalability for virtual network functions (VNFs) across multi-site...
The objective of this study is to propose a compact and highly accurate fiber line monitoring system for inspection in optical communications. We developed the handheld line information reader and generator. The developed line information reader consists of a micro controller unit, communication module, display panel, photo diode, transimpedance amplifier, and a voltage amplifier. The line information...
With the development of ICT (Information and Communication Technology), computer and the Internet have become indispensable for people's social activities while cyber security threats keep on increase trend. Unfortunately, the current popular security facilities cannot efficiently detect cyber attacks due to a tremendous amount of network traffic needs to be analyzed. In this paper, we focus on DNS...
A unidirectional security gateway is a network system in which data can travel in only one direction. Therefore, the system are used in protecting the safety and reliability of various critical infrastructures. Most of all, it has to be deployed with send and receive transceivers disconnected for one direction to ensure information security. In this paper, we introduce a unidirectional security gateway...
The present paper allows to energy information collecting agent for IoT BigData system. Energy management system (EMS) is computer-based platform to monitor and control energy usage at a smart home and building. There are several model EMS — centralized and distributed. This paper suggested hybrid architecture of EMS for efficiently energy management.
Impulse radio ultra-wideband (IR-UWB) radar measures vital signs such as respiration and heart rates based on the body's fine movement due to breathing or heartbeat. The conventional IR-UWB radar-based vital sign measurement algorithms measure respiration and heart rates mainly based on the frequency spectrum corresponding to the respiration and heart rates. This frequency domain approach has the...
Innovative wellness gadgets are the products of convergence of science and technology in this dynamic digital era. It has not been possible before to provide just-in-time intervention to avoid unhealthy behavior. The change in behavior requires the understanding of the behavior theories and then practical implementation of the stages. Transtheoretical model supports to identify the stage of human...
Quality of Service (QoS) in networking is a way of managing the network resources effectively. QoS has been widely used in traditional network and can also be implemented in Software Defined Network (SDN). Software Defined Network is a new network paradigm that decouples the control plane from the data plane in the network and thus create a network that is scalable, dynamic and easily manageable....
As the IoT environment, in which all objects are connected and information is shared, is being expanded, new services are being applied to the traditional energy services gradually. In this paper, the PhotoVoltaic(PV) monitoring system, which is required to develop efficient management service for Solar power generation system, was developed by applying IoT technology and it shows that it is possible...
This paper proposes an enhanced Interface to Network Security Functions (I2NSF) framework. To improve the whole packet throughput and manage resource of Network Security Functions (NSFs), the enhanced I2NSF framework monitors NSFs and distributes incoming packets to NSFs efficiently. Even if the legacy framework that provides security services using Software-Defined Networking (SDN) and Network Functions...
Network function virtualization (NFV) is one of the promising technologies for the next-generation network. In the NFV environment, reliability and availability should be guaranteed at different levels through the use of monitoring frameworks; however, the current monitoring frameworks only focus on NFV infrastructure (NFVI)-related faults and not VM-related faults. In this paper, the current NFV...
With the growing popularity of cloud-leveraged infrastructure and services, the creation and operation of multiple virtualized boxes over a single physical box is increasing rapidly. It is however becoming difficult to maintain transport performance and security with an increasing number of inter-connections among them. To address this issue, in this paper, we utilize the eBPF-based packet tracing...
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