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Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
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¿µ¹®Á¦¸ñ(English Title) |
A Fuzzy Technique-based Web Server Performance Improvement Using a Load Balancing Mechanism |
ÀúÀÚ(Author) |
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Bumjoo Park
Kiejin Park
Myeongkoo Kang
Sungsoo Kim
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¿ø¹®¼ö·Ïó(Citation) |
VOL 35 NO. 03 PP. 0111 ~ 0119 (2008. 04) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®¿¡¼´Â Â÷º°È ¼ºñ½º¸¦ Áö¿øÇÏ´Â À¥ ¼¹öÀÇ ÀÀ´ä½Ã°£ ¼º´ÉÀ» Çâ»ó½ÃÅ°±â À§ÇØ ±âÁ¸ÀÇ µ¿Àû ¼º´É ºÐ¸® ±â¹ý¿¡ ÆÛÁö ±â¹ýÀ» Á¢¸ñÇÑ´Ù. ƯÈ÷, Ŭ·¯½ºÅÍ ±â¹Ý À¥¼¹ö ½Ã½ºÅÛÀÇ ºÎÇÏ·®¿¡ ´ëÇÑ ÆǴܱâÁØ È¤Àº »ç¿ëÀÚ ¿äûÀ² ¹× µ¿Àû¿äû ºñÀ² º¯È½Ã¿¡ ¹ß»ýÇÏ´Â ¾Ö¸Å¸ðÈ£ÇÑ »óȲÀ» È¿°úÀûÀ¸·Î ¹Ý¿µÇϱâ À§ÇØ, ÆÛÁöÁ¦¾î ±â¹ý¿¡ ±âÃÊÇÑ ·ÎµåºÐ¹è ¸ÞÄ¿´ÏÁòÀ» Á¦¾ÈÇÏ¿´´Ù. À̸¦ ÅëÇØ, ±âÁ¸ÀÇ ÆÛÁö ±â¹ýÀ» È°¿ëÇÏÁö ¾ÊÀº ¼º´ÉºÐ¸® ±â¹ý°ú ÆÛÁö±â¹ýÀ» È°¿ëÇÑ °æ¿ì¿¡ ´ëÇØ ÀÀ´ä½Ã°£(95-percentile of Response Time) ¼º´É ºñ±³ Æò°¡¸¦ ÅëÇØ ÆÛÁö±â¹ÝÀÇ ¼º´ÉºÐ¸® ±â¹ýÀÌ Â÷º°È ¼ºñ½º ½Ã½ºÅÛÀÇ ¼º´ÉÀ» ´õ¿í °°ÇÇÏ°í È¿À²ÀûÀ¸·Î Çâ»ó½Ãų ¼ö ÀÖ´Ù´Â Á¡À» °ËÁõÇÏ¿´´Ù. |
¿µ¹®³»¿ë (English Abstract) |
This paper combines fuzzy concepts with an existing dynamic performance isolation technique in order to improve the response time performance of a Web server supporting differentiated services. A load balancing mechanism based on the fuzzy control technique is developed in such a way that ambiguous situations caused by workload estimation of cluster-based Web servers, client request rates, and dynamic request rates can be represented in an effective way. In addition, we verify that the fuzzy-based performance isolation technique improves the performance and robustness of differentiated service systems efficiently through comparing 95-percentile of response time between the fuzzy-based performance isolation technique and the existing one, which do not use the fuzzy concept. |
Å°¿öµå(Keyword) |
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ÆÛÁö Á¦¾î ±â¹ý
Differentiated Services
Performance Isolation
Fuzzy Control Technique
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