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ÇѱÛÁ¦¸ñ(Korean Title) |
¸®´ª½º ±â¹ÝÀÇ Àü°¡»óÈ È¯°æ¿¡¼ È¿À²ÀûÀÎ ÀÓº£µðµå ³×Æ®¿öÅ© I/O Áö¿ø |
¿µ¹®Á¦¸ñ(English Title) |
Support for Efficient Embedded Network I/O over Linux-based Full Virtualization |
ÀúÀÚ(Author) |
±èÁ¾¼
ÀåÇýõ
ÁøÇö¿í
Jong-Seo Kim
Hye-Churn Jang
Hyun-Wook Jin
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¿ø¹®¼ö·Ïó(Citation) |
VOL 38 NO. 02 PP. 0080 ~ 0086 (2011. 04) |
Çѱ۳»¿ë (Korean Abstract) |
ÃÖ±Ù °¡»óÈ ±â¼úÀº ¼¹ö ½Ã½ºÅÛÀ» ³Ñ¾î ÀÓº£µðµå ¹× »ê¾÷¿ë ½Ã½ºÅÛ¿¡ Àû¿ëÀ» ¾ÕµÎ°í ÀÖ´Ù. ÇÏÁö¸¸ °¡»óÈ ±â¼úÀº ÀÓº£µðµå ȯ°æ¿¡¼ ´Ù¾çÇÑ ³×Æ®¿öÅ© ÀåÄ¡ÀÇ È¿À²ÀûÀÎ I/O¸¦ Áö¿øÇϱâ À§ÇÑ ±¸Á¶¸¦ ¾ÆÁ÷ Á¦½ÃÇÏÁö ¸øÇÏ°í ÀÖ´Ù. ±× ÀÌÀ¯´Â ±âÁ¸ÀÇ VMMÀÌ ÀÓº£µðµå ³×Æ®¿öÅ©ÀÇ µå¶óÀ̹ö°¡ ¹®ÀÚÇü µð¹ÙÀ̽º µå¶óÀ̹ö·Î ±¸ÇöµÇ¾î Àִٴ Ư¼ºÀ» ÃæºÐÈ÷ ¹Ý¿µÇÏÁö ¸øÇÏ°í Àֱ⠶§¹®ÀÌ´Ù. ÀÌ·¯ÇÑ ¹®Á¦¸¦ ÇØ°áÇϱâ À§ÇÏ¿© º» ³í¹®¿¡¼´Â Àü°¡»óÈ È¯°æ¿¡¼ ÆÄÀÏ ½Ã½ºÅÛ ±â¹ÝÀÇ ÀÓº£µðµå ³×Æ®¿öÅ© I/O °¡»óȸ¦ Á¦¾ÈÇÑ´Ù. Á¦¾ÈµÈ ±â¹ýÀº i) ±âÁ¸ÀÇ ÀÓº£µðµå ³×Æ®¿öÅ© ÀÀ¿ëÇÁ·Î±×·¥°ú µð¹ÙÀ̽º µå¶óÀ̹öÀÇ ¼öÁ¤À» ÀüÇô ¿ä±¸ÇÏÁö ¾ÊÀ¸¸ç, ii) µ¥ÀÌÅÍ Ã³¸® °æ·Î¸¦ Å©°Ô °£·«È ÇÒ ¼ö ÀÖ´Ù´Â ÀåÁ¡À» °®°í ÀÖ´Ù. Á¦¾ÈµÈ ¼³°è´Â ¸®´ª½º ±â¹ÝÀÇ VirtualBox ȯ°æ¿¡¼ CAN ³×Æ®¿öÅ©¸¦ ´ë»óÀ¸·Î ±¸ÇöµÇ¾ú´Ù. ¼º´É ÃøÁ¤ °á°ú´Â ±âÁ¸ÀÇ Áß°è ¾îÇø®ÄÉÀÌ¼Ç »ç¿ë ´ëºñ ¾à 35%Á¤µµ ¼º´É Çâ»óÀÌ ÀÌ·ç¾îÁüÀ» º¸ÀδÙ. ¾Æ¿ï·¯ °¡»óȵÇÁö ¾ÊÀº °æ¿ì¿Í ºñ±³ÇÏ¿© 10% Á¤µµÀÇ ¼º´É ÀúÇϸ¸ ÀÖÀ½À» º¸ÀδÙ.
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¿µ¹®³»¿ë (English Abstract) |
There are significant efforts to apply the virtualization technology to embedded and industrial systems beyond server systems. The virtualization technology is, however, yet to provide efficient I/O over various embedded network devices. This is mainly because the legacy VMMs do not reflect the fact that the device drivers for embedded networks are implemented as character device drivers. In this paper, we suggest an embedded network I/O virtualization scheme based on the file system on full-virtualization environment. The suggested design i) does not require any modification in existing applications and device drivers but also ii) simplifies the network data path over embedded networks. The suggested design is implemented in VirtualBox and shows that the communication latency can be improved up to 35% over CAN network, which is only 10% worse performance compared with non-virtualized case.
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Å°¿öµå(Keyword) |
°¡»óÈ
ÀÓº£µðµå ³×Æ®¿öÅ©
VirtualBox
CAN
Virtualization
Embedded Network
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ÆÄÀÏ÷ºÎ |
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