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Published in:
2021 | OriginalPaper | Chapter
An Efficient Content Sharing Using Dynamic Fog Considering Transition of Number of Mobile Terminals in a City
Authors : Takuya Itokazu, Shinji Sugawara
Published in: Advances on Broad-Band Wireless Computing, Communication and Applications
Publisher: Springer International Publishing
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Abstract
In recent years, content sharing via mobile terminals has become more and more popular, but there is a concern that the network load will be getting too much higher. Besides, in the system that uses fog servers in addition to cloud, the cost of the server operation occurs. In this paper, we propose dynamic fog, that is, a method in which multiple mobile edge terminals form a logical fog server function in ad-hoc, thereby replacing the function of providing the content replicas and replica sharing metadata, executed by the physical fog server. Furthermore, computer simulations we executed using a model of actual human movements in a city in Tokyo show the tendency of substituting physical fog server functions when dynamic fog is used, thus the potential effectiveness of this method is revealed.