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¿µ¹®Ç¥Áظí Embedded-based Self-adaptive SW Part-3 Control Monitoring Interfaces for Self-adaptive Applications
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº IoT µð¹ÙÀ̽º¸¦ Æ÷ÇÔÇÑ ÀÓº£µðµå ½Ã½ºÅÛ¿¡¼­ µ¿ÀÛÇÏ´Â ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ëÀÇ ÇÁ·Î±×·¥ ¹× ½Ã½ºÅÛ Á¤Àû/µ¿Àû Á¤º¸¸¦ ÀÌ¿ëÇÑ ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ë Á¦¾î ¸ð´ÏÅ͸µ ¸ðµ¨°ú ±× ÇÁ·Î±×·¥ ¸ðµ¨ÀÇ Á¦¾î¿¡ ÇÊ¿äÇÑ Ç¥ÁØ ÀÎÅÍÆäÀ̽º¸¦ Á¦½ÃÇÑ´Ù. ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ë¿¡ ´ëÇÑ Á¤Àû Á¤º¸´Â ÀÀ¿ëÀÇ ½ÇÇà ÀÌÀü¿¡ ¼³Á¤µÇ¾î ÀÖ´Â °ÍÀÌ´Ù. ±×¸®°í ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ë¿¡ ´ëÇÑ µ¿Àû Á¤º¸´Â ÀÀ¿ëÀÇ ½ÇÇàÁß¿¡ ¹ß»ýÇÏ´Â ¼º´É, Ç°Áú, ¿ä±¸ »çÇ× µî¿¡ °ü·ÃµÈ °ªÀÌ´Ù. Á¤Àû/µ¿Àû Á¤º¸´Â CPU, GPU, ¸Þ¸ð¸®, ³×Æ®¿öÅ©¿Í °°Àº ½Ã½ºÅÛ Á¤º¸µµ Æ÷ÇԵȴÙ. ÀÌ·¯ÇÑ Á¤º¸´Â ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ë ¸ðµ¨ÀÇ Á¦¾î¿¡ ÀÌ¿ëµÈ´Ù. ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ëÀ» Á¦¾îÇÏ´Â ¸ðµ¨Àº ¿ÜºÎ(External) ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ë°ú ³»ºÎ(Internal) ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ëÀ¸·Î ±¸ºÐµÈ´Ù. ¿ÜºÎ ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ë ¸ðµ¨Àº ÀÀ¿ë ÇÁ·Î±×·¥¿¡ Á¦¾î¸¦ À§ÇÑ Ãß°¡ÀûÀÎ ÄÚµå »ðÀÔ ¾øÀÌ ÀÀ¿ë ÇÁ·Î±×·¥ÀÇ »óŸ¦ ¿ÜºÎ¿¡¼­ ¸ð´ÏÅ͸µÀ» Çϸ鼭 »ç¿ëÀÚ ¿ä±¸ »çÇ×À̳ª ½Ã½ºÅÛ ¿ä±¸ »çÇ׿¡ ¸Âµµ·Ï ÃÖÀûÀ¸·Î ½Ã½ºÅÛ ÀÚ¿øµéÀ» º¯°æÇϸç, ±× ÀÀ¿ë¿¡ ´ëÇÑ Á¦¾î±ÇÀº ¿ÜºÎ ¸ðµâ¿¡¼­ °¡Áö°í ÀÖ´Ù. ³»ºÎ ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ë ¸ðµ¨Àº ÀÀ¿ë ÇÁ·Î±×·¥ÀÇ Á¦¾î¸¦ À§ÇÑ Ãß°¡ÀûÀÎ Äڵ带 »ðÀÔÇÏ¿© ÀÀ¿ë ÇÁ·Î±×·¥ÀÇ »óŸ¦ ÀÚ½ÅÀÌ Á÷Á¢ Á¦¾îÇϸ鼭 ¿ä±¸ »çÇ׿¡ µû¶ó¼­ ±× ÀÀ¿ëÀÌ ÃÖÀûÀ¸·Î ¼öÇàÇϵµ·Ï Á¦¾îÇϸç, ±× ÀÀ¿ë¿¡ ´ëÇÑ Á¦¾î±ÇÀº ÀÀ¿ë ÇÁ·Î±×·¥ ÀÚ½ÅÀÌ °¡Áö°í ÀÖ´Ù. ±×¸®°í ÀÚ°¡ ÀûÀÀÇü ÀÀ¿ëÀ» ¿ÜºÎ ¸ðµâÀ̳ª ÇÁ·Î±×·¥ ÀÚü¿¡¼­ Á¦¾îÇϱâ À§ÇÑ Ç¥ÁØ ÀÎÅÍÆäÀ̽º¸¦ Á¦°øÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard describes control monitoring models for self-adaptive applications and standard interfaces for control by using static/dynamic information regarding self-adaptive applications working on embedded systems including IoT devices. Static information regrading self-adaptive applications is set before the execution of these applications. Dynamic information of that is values with regard to performance, QoS, and requirements occurring during application¡¯s execution as well as system information such as CPU, GPU, memory, and network belongs to dynamic information. Static and dynamic information is utilized in self-adaptive application¡¯s control. Control models of self-adaptive applications are classified with an external self-adaptive application and an internal self-adaptive application. The external self-adaptive application model monitors the status of the application without additional control codes and changes system resources to optimize the application¡¯s execution with user requirement and system requirement. It has a control authority of the application from external modules. The internal self-adaptive application model directly controls the status of the application itself with additional control codes and leads to execute optimally the application according to requirements. It has a control authority of the application from itself. In order to control the external and internal self-adaptive applications, standard interfaces are provided.
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