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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ±¹¹æ »çÀ̹ö-¹°¸® ½Ã½ºÅÛÀ» À§ÇÑ ½Å¼ÓÇÑ Àü¼Û Á¤Ã¥ °ü¸®¸¦ Áö¿øÇÏ´Â ¼ÒÇÁÆ®¿þ¾î Á¤ÀÇ ³×Æ®¿öÅ· ±â¼ú
¿µ¹®Á¦¸ñ(English Title) Software-Defined Networking Enabling Expeditious Forwarding Rule Management for Cyber-Physical Defense Systems
ÀúÀÚ(Author) À̱æÈ£   ¹ÚÅÂÁØ   ±è¹Î¼ö   ½Å½Â¿ø   ½ÅÀνĠ  Kilho Lee   Taejune Park   Minsu Kim   Seungwon Shin   Insik Shin  
¿ø¹®¼ö·Ïó(Citation) VOL 46 NO. 04 PP. 0291 ~ 0298 (2019. 04)
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(Korean Abstract)
±¹¹æ »çÀ̹ö-¹°¸® ½Ã½ºÅÛÀº ´Ù¼öÀÇ ÄÄÇ»Æà ¿ä¼Ò¿Í ¹°¸®Àû ¿ä¼Ò°¡ ³×Æ®¿öÅ©¸¦ ÅëÇØ ¿¬°áµÇ¾î º¹ÀâÇÑ ÀÛ¾÷À» ¼öÇàÇÏ¸ç ¹°¸® ¼¼°è¿Í »óÈ£ ÀÛ¿ëÇÏ¿© ÀÛÀüÀ» ¼öÇàÇÏ´Â ½Ã½ºÅÛÀÌ´Ù. ¹°¸®Àû ¼¼°è¿Í »óÈ£ ÀÛ¿ëÇϴ Ư¼ºÀ¸·Î ÀÎÇØ ½Ã½ºÅÛÀº ³ôÀº ¼öÁØÀÇ ½Ç½Ã°£¼º º¸ÀåÀ» ¿ä±¸Çϸç, À̸¦ ¸¸Á·Çϱâ À§ÇØ °í¼öÁØÀÇ À¯µ¿ÀûÀÎ ³×Æ®¿öÅ© °ü¸®¸¦ ÇÊ¿ä·Î ÇÑ´Ù. ¼ÒÇÁÆ®¿þ¾î-Á¤ÀÇ ³×Æ®¿öÅ© ±â¼úÀº À¯¿¬¼ºÀ» ¹ÙÅÁÀ¸·Î À¯µ¿ÀûÀÎ ³×Æ®¿öÅ© °ü¸® ±â´ÉÀ» Á¦°øÇÑ´Ù. ÇÏÁö¸¸ ÀÌ´Â ½Ç½Ã°£¼º¿¡ ´ëÇÑ °í·Á°¡ Àü¹«ÇÏ¿© »çÀ̹ö-¹°¸® ½Ã½ºÅÛ¿¡ È°¿ëÇϱ⠾î·Æ´Ù. ÀÌ ³í¹®Àº »õ·Î¿î ½ºÀ§Ä¡ ±¸Á¶¸¦ Á¦½ÃÇÏ¿© ¼ÒÇÁÆ®¿þ¾î-Á¤ÀÇ ³×Æ®¿öÅ©ÀÇ Æ®·¡ÇÈ Àü¼Û Á¤Ã¥ º¯°æÀÇ ¼Ò¿ä ½Ã°£À» ±ØÀûÀ¸·Î °¨¼Ò½ÃÄÑ, ¾ÈÀü¿¡ ÇʼöÀûÀÎ Æ®·¡ÇÈÀÇ ½Ç½Ã°£¼ºÀ» ÇØÄ¡Áö ¾ÊÀ¸¸ç À¯µ¿ÀûÀÎ ³×Æ®¿öÅ© °ü¸®¸¦ °¡´ÉÇϵµ·Ï ÇÏ¿´´Ù. ¶ÇÇÑ Á¦½ÃÇÑ ±¸Á¶¸¦ ±¸ÇöÇÏ°í ½ÇÁ¦ ½Ã½ºÅÛ¿¡¼­ ¼º´ÉÀ» Æò°¡ÇÏ¿© ¼ÒÇÁÆ®¿þ¾î-Á¤ÀÇ ³×Æ®¿öÅ· Ç¥ÁØ ¹æ½Ä¿¡ ºñÇØ 500¹è ÀÌ»ó ºü¸£°Ô Á¤Ã¥ º¯°æÀÌ °¡´ÉÇÔÀ» º¸¿´À¸¸ç, ÀÌ ±¸Á¶¸¦ °íÀå-º¹±¸ ½Ã½ºÅÛ ±¸Çö¿¡ È°¿ëÇÏ¿© ½Ã½ºÅÛÀÇ ¾ÈÀü¼ºÀ» ±ØÀûÀ¸·Î Çâ»óÇÒ ¼ö ÀÖÀ½À» º¸¿´´Ù.
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(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.
Å°¿öµå(Keyword) ¼ÒÇÁÆ®¿þ¾î Á¤ÀÇ ³×Æ®¿öÅ©   »çÀ̹ö-¹°¸® ½Ã½ºÅÛ   ½Ç½Ã°£ ½Ã½ºÅÛ   °íÀå º¹±¸ ½Ã½ºÅÛ   software-defined networking   cyber-physical systems   real-time systems   fault-resilient systems  
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