ÇѱÛÁ¦¸ñ(Korean Title) |
·£¼¶¿þ¾î °ø°Ý ¹æ¾î SSD¿¡¼ ¼±Á¡Àû ·£¼¶¿þ¾î °¨Áö¸¦ ÅëÇÑ Foreground I/O Áö¿¬ ½Ã°£ ´ÜÃà ±â¹ý ¿¬±¸ |
¿µ¹®Á¦¸ñ(English Title) |
Reducing Foreground I/O Latency via Preemptive Ransomware Detection on Ransomware Attack Tolerant SSD |
ÀúÀÚ(Author) |
¹ÚÁöÀ±
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ÀÌÁßÈñ
±è¿µÀç
Jiyun Park
Donghyun Min
Junghee Lee
Youngjae Kim
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¿ø¹®¼ö·Ïó(Citation) |
VOL 47 NO. 02 PP. 1019 ~ 1021 (2020. 12) |
Çѱ۳»¿ë (Korean Abstract) |
Soild-State Drive (SSD)´Â µ¤¾î¾²±â ¿äû ¼öÇà ½Ã ÀÌ¹Ì ¾²¿©Áø ÆäÀÌÁö ´ë½Å »õ ÆäÀÌÁö¿¡ µ¥ÀÌÅÍ°¡ ±â·ÏµÇ´Â ´Ù¸¥ÀÚ¸® µ¤¾î¾²±â (Out-of-place update) ¸¦ ¼öÇàÇÑ´Ù. SSD ´Â ÀÌÀü µ¥ÀÌÅÍ°¡ ¾²¿©Áø ÆäÀÌÁö¸¦ ¹«È¿È½ÃŲ´Ù. Ransomware-tolerant SSD´Â ÀÌ ¹«È¿È ÆäÀÌÁöµéÀ» ¹é¾÷À¸·Î °ü¸®ÇÏ¿© Ãß°¡ÀûÀÎ µ¥ÀÌÅÍ °ø°£ ºñ¿ë ÁöºÒ ¾øÀÌ ¹öÀú´×À» ¼öÇàÇÏ¿© ·£¼¶¿þ¾î °ø°Ý¿¡ ´ëÀÀÇÑ´Ù. SSD ³»ºÎÀÇ ÆäÀÌÁö ¹öÁ®´× ±â¼úÀº ºü¸¥ ¼ÓµµÀÇ ³ôÀº ·£¼¶¿þ¾î °¨ÁöÀ²¿Í ³ôÀº ¹é¾÷ °ø°£ È¿À², ±×¸®°í ³·Àº I/O ´ë±â½Ã°£À» ¿ä±¸ÇÑ´Ù. ÀÌ ¼¼ °¡Áö¸¦ ¸ðµÎ ¸¸Á·Çϱâ À§ÇØ ÃÖ±Ù Content-based ÀζóÀÎ °¨Áö¸¦ ¼öÇàÇÏ´Â Direct Memory Access (DMA) È®Àå Çϵå¿þ¾î ¸ðµâ ¼³°è°¡ Á¦¾ÈµÇ¾ú´Ù. ÇÏÁö¸¸ ÀÌ Çϵå¿þ¾îÀûÀÎ Á¢±Ù¹æ¹ýÀº Ư¼öÇÑ Çϵå¿þ¾î ¸ðµâÀ» ¿ä±¸ÇÑ´Ù. µû¶ó¼ SSD¿¡ ¹ü¿ëÀûÀ¸·Î Àû¿ëÇϱ⿡´Â Á¦ÇÑÀûÀÌ´Ù. º» ¿¬±¸¿¡¼´Â (i) Content-based Inline °¨Áö ÀÛ¾÷À» ºÐ¼®ÇÏ¿© ÇÕ¸®ÀûÀÎ ¼±Á¡ Á¤Ã¥À» ¼³°èÇÏ°í À̸¦ ¹ÙÅÁÀ¸·Î (ii) ¼±Á¡Àû ·£¼¶¿þ¾î °¨Áö ±â¼úÀ» Microsoft SSD ½Ã¹Ä·¹ÀÌÅÍ¿¡ ±¸ÇöÇÏ¿´´Ù. ½ÇÇè °á°ú, Erebus ¸®´ª½º ·£¼¶¿þ¾î ¿öÅ©·Îµå¿¡¼ ±âÁ¸ÀÇ SSD¿¡ ºñÇØ Æ÷±×¶ó¿îµå I/O ÀÀ´ä Áö¿¬ ½Ã°£ÀÌ °ÅÀÇ Áõ°¡ÇÏÁö ÇÏÁö ¾ÊÀ½À» È®ÀÎÇÏ¿´´Ù.
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¿µ¹®³»¿ë (English Abstract) |
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Å°¿öµå(Keyword) |
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