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¿µ¹®Ç¥Áظí IPv6 Neighbor Discovery for Prefix and Service Discovery in Vehicular Networks
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº Â÷·® ³×Æ®¿öÅ©¿¡¼­ ½Å¼ÓÇÑ IPv6 ³×Æ®¿öÅ© ÇÁ¸®ÇȽº ¹× ¼­ºñ½º Ž»öÀ» Á¦°øÇϱâ À§ÇÑ IPv6 ÀÌ¿ô Ž»ö(ND) ÇÁ·ÎÅäÄÝÀÇ È®ÀåÀ» ±â¼úÇÑ´Ù. °¢ Â÷·®°ú ³ëº¯±â´Â ¿ÜºÎ ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º¿Í ³»ºÎ ³×Æ®¿öÅ©¸¦ °¡Áö°í ÀÖ´Ù°í °¡Á¤ÇÑ´Ù. ¿ÜºÎ ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º´Â Â÷·® Àü¿ë ±Ù°Å¸® Åë½Å(Dedicated Short-Range Communications, DSRC) ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º Ä«µå¸¦ ÅëÇØ µ¿ÀÛÇÑ´Ù. ³»ºÎ ³×Æ®¿öÅ©´Â È£½ºÆ®·Î Â÷·®ÀÇ ÀüÀÚ Á¦¾î ÀåÄ¡(Electronic Control Unit, ECU), ºí·¢¹Ú½º Ä«¸Þ¶ó, ´ë½Ãº¸µå ÀÎÆ÷Å×ÀθÕÆ® ½Ã½ºÅÛ (¿¹, ³»ºñ°ÔÀ̼Ç, ±³Åë Á¤º¸, ¹æ¼Û, À½¿ø ¼­ºñ½º) ¹× »ç¿ëÀÚ À̵¿ ´Ü¸»(¿¹, ½º¸¶Æ®Æù, ÅÂºí¸´)À» Æ÷ÇÔÇÏ°í ÀÖ°í ¸ÖƼ È© ¼­ºê³Ý ±¸¼ºÀ» À§ÇÑ ¶ó¿ìÅ͸¦ Æ÷ÇÔÇÏ°í ÀÖÀ½À» °¡Á¤ÇÑ´Ù. ÀÌ Ç¥ÁØÀº Â÷·®ÀÌ ÀÚ½ÅÀÇ ³»ºÎ ³×Æ®¿öÅ©¿¡ ¿î¿µµÇ´Â IPv6 ÇÁ¸®ÇȽº¿Í ¼­ºñ½º¸¦ ´Ù¸¥ Â÷·® ¶Ç´Â ³ëº¯±â¿¡ ¾Ë·ÁÁÖ±â À§ÇÑ ND ¿É¼ÇÀ» Á¤ÀÇÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard specifies an extension of IPv6 Neighbor Discovery (ND) for rapid network prefix and service discovery in vehicular networks. It is assumed that a vehicle or a Road-Side Unit (RSU) have an external network interface and an internal network. The external network interface works using a network interface card for Dedicated Short-Range Communications (DSRC). The internal network contains the vehicle¡¯s Electronic Control Units (ECU), On-board dash cameras, Dash board infotainment system (having navigation, road traffic information, broadcasting, and music services), routers for multi-hop subnets, and a user¡¯s mobile devices (e.g., smartphone and tablet PC). This standard defines new ND options to allow a vehicle or RSU to announce the network prefixes and services inside its internal network to another vehicle or RSU.
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