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학술지 Dynamic Fog-to-fog Offloading in SDN-based Fog Computing Systems
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저자
Linh-An Phan, Duc-Thang Nguyen, 이명훈, 박대헌, 김태홍
발행일
202104
출처
Future Generation Computer Systems, v.117, pp.486-497
ISSN
0167-739X
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.future.2020.12.021
협약과제
19HU1100, 축산질병 예방 및 통제 관리를 위한 ICT 기반의 지능형 스마트 안전 축사 기술 개발, 김세한
초록
Fog computing is a promising paradigm aimed at reducing latency and network traffic between end devices and cloud servers. In fog computing systems, a fog node can be overloaded by an increased number of requests from end devices. In this situation, an efficient offloading mechanism among fog nodes is necessary to meet the requirements of fog computing. Software Defined Networking (SDN) has become the de facto standard for future network infrastructures, including fog computing systems. In this paper, we propose a dynamic offloading service among fog nodes for an SDN-based fog computing system that aims at selecting an optimal offloading node and assisting the offloading path by providing an end-to-end bandwidth guarantee based on SDN technology. The proposed solution outperforms traditional approaches without SDN technology in terms of both throughput and request response time by selecting the appropriate offloading node using current computational and network resource information and providing a reliable end-to-end path.
키워드
Bandwidth guarantee, Computation offloading, Edge computing, Fog computing, Fog orchestrator, QoS, SDN, Software defined networking
KSP 제안 키워드
Bandwidth guarantee, Cloud server, Computation offloading, De facto standard, Dynamic offloading, End to End(E2E), Network Traffic, Network resources, Request Response, SDN-based, Software-Defined Networking(SDN)