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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö > Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö D

Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö D

Current Result Document : 221 / 246 ÀÌÀü°Ç ÀÌÀü°Ç   ´ÙÀ½°Ç ´ÙÀ½°Ç

ÇѱÛÁ¦¸ñ(Korean Title) RFID ¹Ìµé¿þ¾î Ç¥ÁØ ¾ÆÅ°ÅØó¿¡ ±â¹ÝÇÑ ÀûÀÀÀû ºÎÇÏ ºÐ»ê ¹æ¹ý
¿µ¹®Á¦¸ñ(English Title) An adaptive load balancing method for RFID middlewares based on the Standard Architecture
ÀúÀÚ(Author) ¹ÚÀç°É   äÈï¼®   Jaegeol Park   Heung Seok Chae  
¿ø¹®¼ö·Ïó(Citation) VOL 15-D NO. 01 PP. 0073 ~ 0086 (2008. 02)
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(Korean Abstract)
ÃÖ±Ù RFID(Radio Frequency Identification) ±â¼úÀº »ç¹°¿¡ ´ëÇÑ ÀÚµ¿ÀûÀÎ ÀνÄÀ» °¡´ÉÄÉ ÇÔÀ¸·Î½á ¹°·ù, ÀÇ·á, ½ÄÇ°°ü¸® µî°ú °°Àº ºÐ¾ß¿¡ Àû¿ëµÇ°í ÀÖ´Ù. ºÎÇÏ ºÐ»êÀº °úºÎÇÏ »óÅÂÀÎ ³ëµå·ÎºÎÅÍ ºÎÇÏ°¡ ÀûÀº ³ëµå·Î ÀÛ¾÷ ºÎÇϸ¦ À̵¿½ÃÄÑ ½Ã½ºÅÛÀÇ È®À强À» Çâ»ó½ÃÅ°´Â ±âº» ±â¼úÀÌ´Ù. ½Ã½ºÅÛÀÇ ºÎÇϸ¦ ¿¹ÃøÇϱ⠾î·Æ°í ºÎÇÏ·®ÀÇ ÆíÂ÷°¡ Å« °æ¿ì¿¡´Â ÀûÀÀÀû ºÎÇÏ ºÐ»êÀÌ È¿°úÀûÀÎ °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. RFID ¹Ìµé¿þ¾î´Â ¸¹Àº ¼öÀÇ ¸®´õ·ÎºÎÅÍ ¼ö½ÅµÈ ÅÂ±× Á¤º¸¸¦ È¿À²ÀûÀ¸·Î ó¸®Çϱâ À§ÇÏ¿© ±âÁ¸ÀÇ ºÎÇÏ ºÐ»ê±â¼úÀÌ µµÀ﵃ ÇÊ¿ä°¡ ÀÖ´Ù. RFID ½Ã½ºÅÛÀÌ ºÎÇÏ·®À» ¿¹ÃøÇϱâ Èûµé°í ÆíÂ÷°¡ Å« ȯ°æ¿¡ Àû¿ëµÉ °æ¿ì ½ÇÇà½Ã°£¿¡ ½Ã½ºÅÛÀÇ Àüü ºÎÇÏ·®¿¡ µû¶ó ÀûÇÕÇÑ Á¤Ã¥À¸·Î º¯°æÇÒ ¼ö ÀÖ´Â ÀûÀÀÀû ºÎÇÏ ºÐ»ê ±â¹ýÀ» »ç¿ëÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÏ´Ù. º» ³í¹®¿¡¼­´Â RFID ¹Ìµé¿þ¾î¿¡ ÀûÀÀÀû ºÎÇÏ ºÐ»ê ±â¹ýÀ» µµÀÔÇϱâ À§ÇÑ Á¢±Ù ¹æ¹ý°ú °á°ú¸¦ Á¦½ÃÇÑ´Ù. ¸ÕÀú RFID ¹Ìµé¿þ¾îÀÇ ÀÛ¾÷ ºÎÇÏ ¸ðµ¨À» °áÁ¤ÇÑ´Ù. ±×¸®°í ºÎÇÏ ¸ðµ¨À» ¹ÙÅÁÀ¸·Î ´Ù¾çÇÑ ºÎÇÏ ºÐ»ê Á¤Ã¥À» ½Ã½ºÅÛÀÇ ºÎÇÏ »óÅ º°·Î Àû¿ëÇÏ¿© ½Ã½ºÅÛÀÇ ºÎÇÏ »óÅ¿¡ ÀûÇÕÇÑ ºÎÇÏ ºÐ»ê Á¤Ã¥À» ¼±ÅÃÇÑ´Ù.
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(English Abstract)
Because of its capability of automatic identification of objects, RFID(Radio Frequency Identification) technologies have extended their application areas to logistics, healthcare, and food management system. Load balancing is a basic technique for improving scalability of systems by moving loads of overloaded middlewares to under loaded ones. Adaptive load balancing has been known to be effective for distributed systems of a large load variance under unpredictable situations. There are needs for applying load balancing to RFID middlewares because they must efficiently treat vast numbers of RFID tags which are collected from multiple RFID readers. Because there can be a large amount of variance in loads of RFID middlewares which are difficult to predict, it is desirable to consider adaptive load balancing approach for RFID middlewares, which can dynamically choose a proper load balancing strategy depending on the current load. This paper proposes an adaptive load balancing approach for RFID middlewares and presents its design and implementation. First we decide a performance model by a experiment with a real RFID middleware. Then, a set of proper load balancing strategies for high/medium/low system loads is determined from a simulation of various load balancing strategies based on the performance model.
Å°¿öµå(Keyword) RFID ¹Ìµé¿þ¾î   ÀûÀÀÀû ºÎÇÏ ºÐ»ê   RFID Middleware   Adaptive Load Balancing  
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