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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹ÀÎÅͳÝÁ¤º¸ÇÐȸ ³í¹®Áö

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Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) »ç¿ëÀÚ Á¤ÀÇ ³×Æ®¿öÅ©¸¦ À§ÇÑ »ç¿ëÀÚ µ¥ÀÌÅͱ׷¥ ÇÁ·ÎÅäÄÝ ÇÃ·Î¿ì ¿£Æ®¸® °ü¸® ±â¹ý
¿µ¹®Á¦¸ñ(English Title) UDP Flow Entry Management for Software-Defined Networking
ÀúÀÚ(Author) ÀÌ¿µÀü   ÇÑ¸í¹¬   Young-jeon Lee   Myung-Mook Han   ÃÖÇÑÈû³ª¶ó   »þÀÌµå ¹«Çϸ¶µå ¶óÀÚ   ±è¹®¼º   ÃßÇö½Â   Hanhimnara Choi   Syed Muhammad Raza   Moonseong Kim   Hyunseung Choo  
¿ø¹®¼ö·Ïó(Citation) VOL 22 NO. 02 PP. 0011 ~ 0017 (2021. 04)
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(Korean Abstract)
¼ÒÇÁÆ®¿þ¾î Á¤ÀÇ ³×Æ®¿öÅ·(SDN)Àº ½ºÀ§Ä¡ÀÇ µ¥ÀÌÅÍ Ç÷¹Àο¡¼­ ÄÁÆ®·Ñ ±â´ÉÀ» ºÐ¸®ÇØ ÇÁ·Î±×·¥ °¡´ÉÇÑ ³×Æ®¿öÅ© °ü¸®¹ýÀ» Á¦½ÃÇÏ´Â Â÷¼¼´ë ³×Æ®¿öÅ· ±â¼úÀÌ´Ù. ÇÏÁö¸¸ SDN ½ºÀ§Ä¡´Â ÆÐŶ Æ÷¿öµù¿¡ ¾²ÀÌ´Â Ç÷οì Å×À̺íÀÇ ºÎÁ·ÇÑ ¿ë·®À¸·Î ÀÎÇØ, ÇÃ·Î¿ì ¿£Æ®¸®¸¦ ÃæºÐÈ÷ ¼ö¿ëÇÏÁö ¸øÇÏ´Â ¹®Á¦°¡ ÀÖ´Ù. ÀÌ´Â Ç÷οì Å×À̺íÀÇ ¿À¹öÇÃ·Î¿ì µîÀ» ¾ß±âÇØ ³×Æ®¿öÅ© ¼º´ÉÀ» ÀúÇϽÃų ¼ö ÀÖÀ¸¹Ç·Î, º» ³í¹®Àº ºñÈ°¼ºÈ­µÈ Ç÷ο츦 Àû½Ã¿¡ ¹æÃâÇØ Ç÷οì Å×ÀÌºí »ç¿ë·®À» ÃÖÀûÀ¸·Î À¯ÁöÇÒ ¼ö ÀÖ´Â Á¤Ã¥À» Á¦¾ÈÇÑ´Ù. ƯÈ÷, »ç¿ëÀÚ µ¥ÀÌÅͱ׷¥ ÇÁ·ÎÅäÄÝ(UDP) ÇÃ·Î¿ì ¿£Æ®¸®µéÀÇ Á¤º¸¸¦ ÁÖ±âÀûÀ¸·Î »ùÇøµÇÏ¿© ºñÈ°¼ºÈ­µÈ ¿£Æ®¸®µéÀÌ Á¶±â¿¡ ¹æÃâµÉ ¼ö ÀÖµµ·Ï ÇÑ´Ù. Æ®·¡ÇÈ¿¡ ±â¹ÝÇÑ ½ÇÇèÀ» ÅëÇÏ¿©, ¿ì¸®´Â º» Á¤Ã¥ÀÌ Random, FIFO Á¤Ã¥°ú ºñ±³ÇØ ¿À¹öÇÃ·Î¿ì ¹× Ç÷οì À缳ġ ¹ß»ý Ƚ¼ö¸¦ Å©°Ô °¨¼Ò½ÃÅ°´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
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(English Abstract)
Software-defined networking provides a programmable and flexible way to manage the network by separating the control plane from data plane. However, the limited switch memory restricts the number of flow entries in the flow table used to forward packets. This leads to flow table overflow and flow entry reinstallation, which severely degrade the network performance. Therefore, this paper proposes a comprehensive policy for timely eviction of inactive flow entries to optimally maintain flow tables usage. In particular, statistics of user datagram protocol flow entries are periodically sampled to enable the inactive entries to be evicted early. Through traffic-based experiments, we found that the proposed system reduces the number of overflow occurrences and flow entries reinstallation compared to the random and FIFO policies.
Å°¿öµå(Keyword) º¯Á¾ ¾Ç¼ºÄڵ堠 ¾Ç¼ºÄÚµå ºÐ·ù   º¯ÀÌ ¿ÀÅäÀÎÄÚ´õ   ÀüÀÌÇнÀ   ¾Ó»óºí ÇнÀ   ¼ÒÇÁÆ®¿þ¾î Á¤ÀÇ ³×Æ®¿öÅ·   ¿ÀÇÂÇ÷ο젠 Ç÷οì Å×ÀÌºí °ü¸®±â¹ý   Software-Defined Networking   OpenFlow   Flow table management  
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