Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)
Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
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¿µ¹®Á¦¸ñ(English Title) |
Software-Defined Networking Enabling Expeditious Forwarding Rule Management for Cyber-Physical Defense Systems |
ÀúÀÚ(Author) |
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Kilho Lee
Taejune Park
Minsu Kim
Seungwon Shin
Insik Shin
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¿ø¹®¼ö·Ïó(Citation) |
VOL 46 NO. 04 PP. 0291 ~ 0298 (2019. 04) |
Çѱ۳»¿ë (Korean Abstract) |
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¿µ¹®³»¿ë (English Abstract) |
Recently, there has been an increased interest in Cyber-Physical Systems (CPSs) for national defense. CPSs consist of sensors, actuators, and computing elements which are connected through a network to perform complex tasks while interacting with the physical world. Therefore, CPSs inherently require a high level of real-time guarantee (temporal correctness), and the CPS networking systems require highly dynamic network management capabilities to satisfy the real-time constraints. This requirement can be supported by using Software-defined networking (SDN) through flexible network management. However, applying SDN to CPS networking systems raises severalchallenges, since SDN lacks consideration for handling real-time traffic, such as a long delay to update packet handling rules. This paper presents a novel SDN switch architecture that reduces the time delay required to change the packet handling rules significantly; it enables flexible network management without compromising the real-time requirements of network flows which are essential for the system safety. We implemented and evaluated the proposed architecture on top of real hardware. The evaluation showed that the proposed architecture resulted in 500 times faster rule management than the standard SDN architecture. We also implemented a fault recovery system by applying the proposed architecture. The fault recovery application proved that the proposed architecture can significantly improve the system safety.
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Å°¿öµå(Keyword) |
¼ÒÇÁÆ®¿þ¾î Á¤ÀÇ ³×Æ®¿öÅ©
»çÀ̹ö-¹°¸® ½Ã½ºÅÛ
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°íÀå º¹±¸ ½Ã½ºÅÛ
software-defined networking
cyber-physical systems
real-time systems
fault-resilient systems
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