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As software functions can be separated from the device hardware, new techniques as SDN and NFV can be enabled in the management and operation of communication networks. However, the automatic configuration and SDN tools give only moderate information to the control or orchestration systems, and this can affect the performance and reliability of the managed network. The control and orchestration functions...
We present an analytical framework for gossip protocols based on the pair wise information exchange between interacting nodes. This framework allows for studying the impact of protocol parameters on the performance of the protocol. Previously, gossip-based information dissemination protocols have been analyzed under the assumption of perfect, lossless communication channels. We extend our framework...
Mobility modeling is important to analyze the network performance of protocols since it determines the network topology inducing the network performance. In this paper, we analyze the real trace data in military operations, and design a new mobility model for military units. Based on the military training trace data of the KCTC (Korea Combat Training Center) in Hong-Cheon, Korea, we investigate the...
The CAN bus which has been widely used in electric vehicle control system have many characteristics such as high transmission efficiency, high reliability, good real-time feature and so on. The CANoe which is the product of German company vector is a practical and powerful tool for system design and analysis. Firstly, a design scheme of simulation and test system for vehicle body CAN bus network is...
The IEEE 802.15.4 protocol has the ability to support time-sensitive wireless sensor network (WSN) applications due to the guaranteed time slot (GTS) medium access control mechanism. Recently, several analytical and simulation models of the IEEE 802.15.4 protocol have been proposed. Nevertheless, currently available simulation models for this protocol are both inaccurate and incomplete, and in particular...
Sink mobility has become an increasingly important requirement of various sensor network applications. Handling such mobile sink conditions brings new challenges to large-scale sensor networking. This investigation proposed a hybrid-structure routing protocol (HSRP) that combines the benefits of grid-based and cluster-based structures. Grid-based structure is designed to solve the cluster head selection...
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