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Ç¥ÁعøÈ£ TTAK.KO-11.0302 ±¸Ç¥ÁعøÈ£
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ÇѱÛÇ¥ÁØ¸í µ¥ÀÌÅÍ ¹èÆ÷ ¼­ºñ½º(DDS)¿Í MQTT »çÀÌÀÇ µ¥ÀÌÅÍ º¯È¯À» À§ÇÑ °ÔÀÌÆ®¿þÀÌ ¸ðµ¨
¿µ¹®Ç¥Áظí Gateway Model for Data Transformation between DDS and MQTT Protocols
Çѱ۳»¿ë¿ä¾à µ¥ÀÌÅÍ ¹èÆ÷ ¼­ºñ½º(DDS) ±â¹ÝÀÇ ¹Ìµé¿þ¾î°¡ ¼³Ä¡µÈ DDS ÀåÄ¡¿¡¼­ DDS ÅäÇÈ µ¥ÀÌÅ͸¦ ¹ßÇà(¶Ç´Â ±¸µ¶)ÇÏ´Â °æ¿ì, ÀÌÁ¾ ÇÁ·ÎÅäÄÝÀÎ MQTT Ŭ¶óÀ̾ðÆ®°¡ ÅäÇÈ µ¥ÀÌÅ͸¦ ±¸µ¶(¶Ç´Â ¹ßÇà)Çϱâ À§Çؼ­´Â »óÈ£ µ¥ÀÌÅÍ º¯È¯ÀÌ ÇÊ¿äÇÏ´Ù. ±âÁ¸ MQTT ¾î´ðÅÍ ¸ðµ¨¿¡¼­´Â QoS ¼³Á¤¿¡ µû¶ó µ¥ÀÌÅÍÀÇ À¯½ÇÀÌ ¹ß»ýÇÒ °¡´É¼ºÀÌ ³ôÀ¸¸ç, ó¸® ¼Óµµ¿¡ µû¶ó µ¥ÀÌÅÍÀÇ ¿ªÀüÇö»óÀÌ ¹ß»ýÇÒ ¼ö ÀÖ´Ù. ÀÌ¿¡ µû¶ó, º» Ç¥ÁØ¿¡¼­´Â ÅäÇÈ µ¥ÀÌÅ͸¦ º¯È¯ÇÏ´Â ½Ã°£À» ÃÖ¼ÒÈ­ Çϱâ À§ÇØ, MQTT ºê·ÎÄ¿¸¦ Á÷Á¢ ¿¬°áÇÏ´Â DDS-MQTT °ÔÀÌÆ®¿þÀÌ ¸ðµ¨À» Á¦¾ÈÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à When a DDS device with DDS-based middleware publish DDS topic data, a heterogeneous protocol, MQTT clients requires topic data transformation to subscribe to topic data. In MQTT adapter models, the loss of data is likely to occur depending on the QoS setting, and the reversal of the data can occur depending on the throughput rate. Accordingly, to minimize the time to transform topic data, this standard proposes a DDS-MQTT gateway model that directly connects MQTT brokers.
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