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Á¤º¸°úÇÐȸ ÄÄÇ»ÆÃÀÇ ½ÇÁ¦ ³í¹®Áö (KIISE Transactions on Computing Practices)
Á¤º¸°úÇÐȸ ÄÄÇ»ÆÃÀÇ ½ÇÁ¦ ³í¹®Áö (KIISE Transactions on Computing Practices)
Current Result Document :
1
/ 4
´ÙÀ½°Ç
ÇѱÛÁ¦¸ñ(Korean Title)
QoS ±â¹Ý °¡»ó ¸Ó½Å ŽºÅ© ½ºÄÉÁÙ¸µ
¿µ¹®Á¦¸ñ(English Title)
Virtual Machine Task Scheduling based on QoS
ÀúÀÚ(Author)
ÀåÁØÇõ
Á¤Áø¸¸
È«Áö¸¸
Joonhyouk Jang
Jinman Jung
Jiman Hong
¿ø¹®¼ö·Ïó(Citation)
VOL 39 NO. 07 PP. 0309 ~ 0313 (2021. 07)
Çѱ۳»¿ë
(Korean Abstract)
°¡»óÈ Ç÷§ÆûÀº ÀÎÅÍ·´Æ® ¹ß»ýÀ» ÀÎÁöÇÏ°í °¡»ó ¸Ó½ÅÀ¸·Î ÀÎÅÍ·´Æ®¸¦ Àü´ÞÇÔÀ¸·Î½á I/O¸¦ °¡»óÈÇÏ°í QoS(Quality of Service)¸¦ ³ôÀ̱â À§ÇØ I/O ÀÎÅÍ·´Æ®°¡ Àü´ÞµÈ °¡»ó ¸Ó½ÅÀ» ¿ì¼± ó¸®ÇÏ´Â ½ºÄÉÁÙ¸µ Á¤Ã¥À» »ç¿ëÇÑ´Ù. ±×·¯³ª °¡»ó ¸Ó½Å ½ºÄÉÁÙ·¯°¡ I/O ÀÎÅÍ·´Æ® 󸮸¦ ¿ì¼±ÇÏ´Â °æ¿ì, ƯÁ¤ °¡»ó ¸Ó½ÅÀÌ Ã³¸®±â ÀÚ¿øÀ» µ¶Á¡Çϰųª ½Ç½Ã°£ ÀÀ¿ëÀ» ½ÇÇàÇÏ´Â °¡»ó ¸Ó½ÅµéÀÌ °æÀï »óÅ¿¡ ³õÀÌ´Â »óȲÀÌ ¹ß»ýÇÒ ¼ö ÀÖ´Ù. µû¶ó¼ ½ºÄÉÁÙ¸µÀÇ °øÁ¤¼º°ú ÀÀ´ä ½Ã°£ÀÇ Æ®·¹À̵å¿ÀÇÁ(trade-off)¸¦ °í·ÁÇÑ °¡»ó ¸Ó½Å ½ºÄÉÁÙ¸µ ±â¹ýÀÌ ¿ä±¸µÈ´Ù. º» ³í¹®¿¡¼´Â °¡»ó ¸Ó½ÅÀÇ ÀÚ¿ø ¼Ò¸ðÀ²À» ÅëÇØ ½ÇÇà ÆÐÅÏÀ» ¿¹ÃøÇÏ°í, ¿¹Ãø°ª¿¡ µû¶ó ½ºÄÉÁÙ¸µ ¿ì¼±¼øÀ§¸¦ µ¿ÀûÀ¸·Î Á¦¾îÇÏ´Â QoS ±â¹Ý °¡»ó ¸Ó½Å ½ºÄÉÁÙ¸µ ±â¹ýÀ» Á¦¾ÈÇÑ´Ù. ¼º´É Æò°¡¸¦ ÅëÇØ Á¦¾È ±â¹ýÀÌ ÀûÀº ½ºÄÉÁÙ¸µ ¿À¹öÇìµå·Î ÀÀ´ä¼º°ú °øÁ¤¼ºÀ» º¸ÀåÇÔÀ» º¸¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
In a virtualization platform, I/O interrupt is propagated to a corresponding virtual machine through a hypervisor. A virtual machine scheduler in the hypervisor preferentially schedules the virtual machine. This mechanism enhances the quality of service in the I/O virtualization in common cases. However, the mechanism has hazards such that a skewed workload can cause monopolization or a race condition in CPU resources. Therefore, a hypervisor requires a virtual machine scheduler that considers the trade-off between fairness and response time in virtual machine scheduling. In this paper, we propose a fair and responsive virtual machine scheduler. The proposed scheme dynamically adapts the priorities of virtual machines based on provisions on the execution patterns of the virtual machines. We evaluated the proposed scheme with simulations. The result showed that the proposed scheme provides a fair and responsive scheduling algorithm with low computational overheads.
Å°¿öµå(Keyword)
°¡»óÈ
°¡»ó¸Ó½Å I/O
½ºÄÉÁÙ·¯
QoS
virtualization
virtual machine I/O
scheduler
QoS
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