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This paper provides a method for network management which can be applied to configuration of traffic paths and functions of nodes included in the paths in a software defined network. In other words, detail functions of each switch node may be utilized as network resources, so that a traffic path supporting a user-customized service efficiently may be provided.
This paper is about the gateway that supports the Dynamic IP management function. To be specific, this paper shows the way how management system finds out IP address of the gateway in order to make communication available when the gateway that provides IoE service in the mobile communications network obtains Dynamic IP.
The concept and the techniques that consist the Internet of Things (IoT) has been widely studied over the last decade. The IoT architecture includes a number of different physical objects with different communication techniques (e.g., WiFi, Bluetooth, IEEE 802.15.4), which allow these things to connect themselves to the Internet. Along with the physical connectivity, a number of different IETF standards...
We consider a queuing model with applications to electric vehicle (EV) charging systems in smart grids. We adopt a scheme where Electric Service Company (ESCo) broadcasts one bit signal to consumers indicating on-peak periods for the grid. EVs randomly suspend/resume charging based on the signal. To model the dynamics of the population of EVs we analyze an M/M/∞ queue with random interruptions, and...
To provide a more reliable link and deterministic delay for the mission-critical services, enhancement of the IEEE 802.15.4-2006 MAC specification was started in March 2008. The enhanced MAC specification offers three types of medium access control: Low Latency (LL), Time Slotted Channel Hopping (TSCH), and Distributed Synchronous Multi-Channel Extension (DSME). In this paper, the link access delay...
Program codes running on the sensor nodes need to be updated from time to time to fix bugs, tune the parameters, insert new functions, or delete useless codes. In this paper, we propose a policy-based reprogramming framework that can optimize the reprogramming process based on the execution characteristics of modules that constitute the WSN applications. To accomplish this we model the characteristics...
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