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ANTON  2011-03-23 00:53:20, Á¶È¸ : 201, Ãßõ : 47

Interface ID :   ¸µÅ©»ó¿¡¼­ ÀÎÅÍÆäÀ̽º¸¦ Identify, Áï ¸µÅ© »ó¿¡¼­ ±× ÀÎÅÍÆäÀ̽º¸¦ µü ²¿Áý¾î ÁöÁ¤ÇϱâÀ§ÇØ »ç¿ëµÇ´Â
                        ÀÎÅÍÆäÀ̽ºº° À̸§. ÀÎÅÍÆäÀ̽ºID´Â ±× ¸µÅ© »ó¿¡¼­ ¸¸Å­Àº À¯ÀÏÇؾßÇÑ´Ù. (¹°·Ð ±Û·Î¹úÇÏ°Ô À¯ÀÏÇصµ µÊ)
                       ÀÌ·¯ÇÑ ÀÎÅÍÆäÀ̽º ID´Â 64 ºñÆ®·Î ¸¸µé¾îÁö¸ç, ¸ðµç À¯´Ïij½ºÆ® ÁÖ¼Ò¿¡¼­ »ç¿ë.
                       ¹°·Ð À¯´Ïij½ºÆ®¿¡¼­µµ ¿¹¿ÜÀûÀ¸·Î ÀÎÅÍÆäÀ̽º ID¸¦ »ç¿ëÇÏÁö ¾Ê´Â °æ¿ìµµ ÀÖ´Ù.
                       ±×·¯³ª ÀϹÝÀûÀ¸·Î À¯´Ïij½ºÆ®ÀÇ °æ¿ì ÃÑ 128 ºñÆ® ÁÖ¼ÒÁß¿¡¼­ µÚÀÇ 64ºñÆ®°¡ ¹Ù·Î ÀÎÅÍÆäÀ̽º ID.
                       ÀÌ´õ³ÝÀÇ °æ¿ì 48ºñÆ®ÀÇ MAC ÁÖ¼Ò¸¦ ÀÌ¿ëÇØ ¸¸µé¾îÁö¸çÀÌ ¹æ½ÄÀ» Modified EUI-64 Æ÷¸äÀ̶ó°í ÇÕ´Ï´Ù.
                      48ºñÆ® ÁÖ¼Ò¸¦ 64ºñÆ®·Î ´Ã¿©ÁÖ´Â °Í.
                       ¶ÇÇÑ ÇÁ·¹ÀÓ ¸±·¹ÀÌ ±¸¼º¿¡¼­´Â DLCI ÁÖ¼Ò¸¦ ÀÌ¿ëÇؼ­ ÀÎÅÍÆäÀ̽º ID¸¦ ¸¸µë.

1. Global Unicast Address :  IPv4¿¡¼­ °øÀÎ IPÁÖ¼Ò¿Í °°´Ù. °¡Àå ÀϹÝÀûÀÎ IPÁÖ¼Ò(ÀÚµ¿ ¹× ¼öµ¿ ¼³Á¤ °¡´É,)
¨ç Provider   48bit, ÀÌÁø¼ö 001 ·Î ½ÃÀÛÇϵµ·Ï µÇ¾î ÀÖ´Ù.
                     ¡Å ¸Ç¾Õ 3bit°¡ 001 ·Î ½ÃÀÛÇÏ¸é ±Û·Î¹ú À¯´Ïij½ºÆ® ÁÖ¼ÒÀÌ´Ù.
                         0010 0000  0000 0000
                     ¡Å 2000::/3 À̶ó°í Ç¥½Ã
                   ³ª¸ÓÁö 45ºñÆ®¸¦ °¡Áö°í ÇÁ·Î¹ÙÀÌ´õ ºÎºÐÀÌ Ã¤¿öÁö¸ç
                   ÀÌ ºÎºÐÀº IANA¿¡¼­ °¢ ´ë·ú¿¡ ¹èÁ¤ÇÏ°í °¢ ´ë·ú¿¡¼­´Â °¢ ISP¿¡ ¹èÁ¤ÇÏ´Â ¿ëµµ·Î »ç¿ëµÊ

¨è °¢ »çÀÌÆ®¿¡¼­´Â ±× »çÀÌÆ®ÀÇ »óȲ¿¡ µû¶ó ´Ù½Ã ³×Æ®¿öÅ©¸¦ ºÐ¹èÇØÁÖ°Ô µÇ´Âµ¥
           À̶§ ³ª¸ÓÁö 16ºñÆ®ÀÇ Subnet ID¸¦ »ç¿ëÇÑ´Ù.
          ¡Å ÀÌ ºÎºÐÀ» ´Ù¸¥ ¸»·Î´Â LAN Prefix ¶ó°íµµ ÇÏ´Ù.

¡Å ±Û·Î¹úÀ¯´Ïij½ºÆ® ÁÖ¼Ò´Â °¢ ´ë·úº° , ISPº° , SITE º°·Î ¹èÁ¤µÇ±â ¶§¹®¿¡
    IPv4¿Í´Â ´Þ¸® ¿©·¯°³ÀÇ ¶ó¿ìÆà Å×À̺íÀ» Çϳª·Î ¹­¾îÁֱⰡ ¿ëÀÌÇÏ´Ù.
¡Å ÈξÀ È¿°úÀûÀÎ ¶ó¿ìÆÃÀÌ °¡´ÉÇÏ´Ù

2. Site-local Address  ¾î¶² ƯÁ¤ »çÀÌÆ® ³»¿¡¼­¸¸ »ç¿ëÇÒ ¼ö ÀÖ´Â Áּҷνá IPv4¿¡¼­ÀÇ Private ÁÖ¼Ò ¹üÀ§¿Í ºñ½ÁÇÑ °³³ä.
                                    ¿ÜºÎ ³×Æ®¿öÅ©¿Í Åë½ÅÀÌ ºÒ°¡´É?  Network ȯ°æ¿¡ µû¶ó ¼³Á¤µÉ ¼öÀÖ°í, ¾Æ´Ï¸é ¼³Á¤ ¾ÈµÉ ¼öµµ ÀÖ´Ù.  
                                    ¿©±â¼­ ƯÁ¤ »çÀÌÆ®¶õ ƯÁ¤ ¶ó¿ìÅ͵é·Î ±¸¼ºµÈ ³»ºÎ ³×Æ®¿öÅ©ÀÇ ¹­À½  »çÀÌÆ® ¿ÜºÎ¿¡ ÀÖ´Â »çÀÌÆ® ·ÎÄà ¼Û½ÅÁö³ª ¼ö½ÅÁö
                                    ÁÖ¼Ò¸¦ °¡Áø ÆÐŶÀº ¶ó¿ìÅÍ¿¡ ÀÇÇØ Àü´ÞµÇÁö ¾ÊÀ½
Site  ƯÁ¤ Áý´ÜÀÇ ³»ºÎ ³×Æ®¿öÅ© (FEC0::/10)
             ±×´ÙÀ½ ºñÆ®ºÎÅÍ 58ºñÆ®±îÁö´Â ¸ðµÎ '0'À¸·Î ä¿öÁö°í ³ª¸ÓÁö 64ºñÆ®¿¡´Â ÀÎÅÍÆäÀ̽º ID°¡ µé¾î°£´Ù.
           ±×·¯³ª IPv4ÀÇ »ç¼³ IP ´Â ¿ÜºÎ IPv4 ÀÎÅͳݰú Åë½ÅÀÌ °¡´ÉÇßÁö¸¸,
           IPv6ÀÇ Site-local Address´Â ¿ÜºÎ IPv6 ÀÎÅͳݰúÀÇ Åë½ÅÀÌ °¡´ÉÇؼ­´Â ¾ÈµÈ´Ù´Â Á¡¿¡¼­ Â÷ÀÌ°¡ ÀÖ´Ù.
           Áï, Site-local Address¸¦ »ç¿ëÇÏ´Â ³»ºÎÀåºñ´Â ±Û·Î¹ú ÁÖ¼Ò¸¦ °¡Áö´Â ¿ÜºÎ IPv6 ÀÎÅͳݰú Åë½ÅÀÌ ºÒ°¡´ÉÇϸç,
            ¶ÇÇÑ ´Ù¸¥ »çÀÌÆ®ÀÇ »çÀÌÆ® ·ÎÄà Áּҿ͵µ Åë½ÅÀÌ ºÒ°¡´É ÇÏ´Ù.
            (º¸´Ù Á¤È®È÷ ¸»Çϸé, Åë½ÅÀÌ ºÒ°¡´ÉÇϵµ·Ï ¶ó¿ìÆà Á¤Ã¥À» ¼¼¿ö¾ß ÇÔ.)
          .ÀÌ·¯ÇÑ Site-local AddressÀÇ ¿ëµµ´Â ¿ÜºÎ IPv6 ÀÎÅͳݰú Åë½ÅÀ» ÇÒ ÇÊ¿ä°¡ ¾ø´Â Àåºñ
           -³»ºÎ ³×Æ®¿öÅ©¿¡¼­¸¸ »ç¿ëµÇ´Â ÇÁ¸°Æ®, ȤÀº ³»ºÎ ¼­¹ö µî¿¡ ÇÒ´çÀ» Çϰųª Å×½ºÆ®¿ë Áּҷεµ »ç¿ëµÉ ¼ö ÀÖ´Ù.
                Site-local Address´Â ±Û·Î¹ú ÁÖ¼Ò¿Í ¸¶Âù°¡Áö·Î ÀÎÅÍÆäÀ̽º¿¡ ÁÖ¼Ò ºÎ¿©½Ã º°´Ù¸¥ Á¦¾à »çÇ×ÀÌ ¾ø´Ù

3. Link-local Address  ±× ¸µÅ©¾È¿¡¼­¸¸ Åë¿ëµÇ´Â ÁÖ¼Ò . Áï ±× ¸µÅ©¸¦ ¹þ¾î³ª¼± »ç¿ëµÉ ¼ö ¾ø´Â ÁÖ¼Ò.
                             Áï ±× ¸µÅ©¾È¿¡¼­¸¸ ±¸ºÐÇÒ ¼ö ÀÖÀ¸¸é µÈ´Ù´Â ¶æ, ÀÚµ¿À¸·Î ¸¸µé¾îÁö´Â ÁÖ¼Ò
                        Æ¯Á¤ ¶ó¿ìÅÍÀÇ ÀÎÅÍÆäÀ̽º°¡ ´ã´çÇÏ´Â ´ÜÀÏ ³×Æ®¿öÅ© ³»ºÎ¿¡¼­¸¸ ÀÌ¿ëµÇ´Â IPv6 ÁÖ¼Ò.
                     ¸µÅ© ·ÎÄà ¼Û½ÅÁö³ª ¼ö½ÅÁö ÁÖ¼Ò¸¦ °¡Áø IPv6 ÆÐŶÀº ¶ó¿ìÅÍ¿¡ ÀÇÇØ ¿ÜºÎ·Î Àü´ÞµÇÁö ¾Ê´Â´Ù.
                        Ç×»ó ¼³Á¤ ¹× ÀÚµ¿À¸·Î ¼³Á¤
               Neighbor Discovery, Router Discovery, Stateless Auto configuration µîÀÇ ¿ëµµ·Î »ç¿ëµÇ¾îÁö¸ç,
               Global ÁÖ¼Ò³ª Site-local ÁÖ¼Ò¾øÀÌ µ¿ÀÏ ¸µÅ©»ó¿¡¼­ Åë½ÅÀÌ ÇÊ¿äÇÒ °æ¿ì¿¡µµ »ç¿ëµÇ´Â ÁÖ¼Ò
              ¡Å Local-link»óÀÇ ³ëµåµéÀº Link-local Address¸¦ ÀÌ¿ëÇÏ¿© ¶ó¿ìÅÍ°¡ ¾øÀ̵µ ¼­·Î Åë½ÅÀÌ °¡´É.
          
          IPv4¿¡¼­´Â º¸Åë Àåºñ°£ ¿¬°á¿¡ 30bits ±æÀ̸¦ °®´Â ¼­ºê³ÝÀ» »ç¿ëÇϴµ¥, ÀÌ¿Í °°Àº ¿ëµµ·Î »ç¿ëÇÏ´Â ÁÖ¼Ò¶ó°í º¸¸é µÈ´Ù.

                Àåºñ°£ÀÇ ¿¬°á°£¿¡¸¸ À¯È¿ÇÑ ÁÖ¼ÒÀÌ°í ÇÑ Àåºñ¿¡¼­ ¸ðµç ÀÎÅÍÆäÀ̽º´Â µ¿ÀÏÇÑ Link-local ÁÖ¼Ò¸¦ °®´Â´Ù    
           Link  ³×Æ®¿öÅ© ³ëµåµéÀÌ Link Layer¸¦ ÀÌ¿ëÇØ Åë½ÅÇÏ´Â ³×Æ®¿öÅ© ¸Åü(Collision Or Broadcast DomainÁ¤µµ)

4. Unspecified address  ÁÖ¼Ò°¡ ¾ø´Â ³ëµå°¡ À§Ä¡ º¸À¯ÀÚ·Î »ç¿ëÇϴ Ư¼ö ÁÖ¼Ò.
     EX) Ãʱâ DHCP request, duplicate address detection(DAD)¸¦ ¼öÇà ÇÏ´Â °æ¿ì´Â Ãâ¹ßÁö ÁÖ¼Ò¸¦ Á¤ÇØÁÙ ¼ö ¾ø´Ù.
           ¡Å unspecified address¸¦ »ç¿ë  0:0:0:0:0:0:0:0 or 0::0 or ::/128
               (¿©±â¼­ DAD ´Â °°Àº ÁÖ¼Ò°¡ ¶Ç ÀÖ´ÂÁö¸¦ ã´Â ¾Ë°í¸®Áò)
         ¡Å ÀÎÅÍÆäÀ̽º¿¡ ÇÒ´çÇÒ ¼ö ¾ø´Ù
         It must never be assigned to any node.  It indicates the absence of an address.  
        One example of its use is in the Source Address field of any IPv6 packets
        sent by an initializing host before it has learned its own address.

      The unspecified address must not be used as the destination address of IPv6 packets or in IPv6 Routing Headers.  
     An IPv6 packet with a source address of unspecified must never be forwarded by an IPv6 router.


5. Loopback address
    ÄÄÇ»ÅÍÀÇ ³×Æ®¿öÅ© ÀÔÃâ·Â ±â´ÉÀ» ½ÃÇèÇϱâ À§ÇÏ¿© °¡»óÀ¸·Î ÇÒ´çÇÑ ÀÎÅÍ³Ý ÁÖ¼Ò(127.0.0.1).
     ½ÇÁ¦·Î´Â ¿ÜºÎ ³×Æ®¿öÅ©¿¡ ¿¬°áµÇ¾î ÀÖÁö ¾Ê´Â ¼ÒÇÁÆ®¿þ¾îÀû ÀÔÃâ·Â Áּҷμ­
      ÀÌ ÁÖ¼Ò·Î ¹ß¼ÛµÈ µ¥ÀÌÅ͵éÀº µÇµ¹¾Æ¼­ ´Ù½Ã ÀÌ ÁÖ¼Ò·Î ¼ö½ÅµÈ °Íó·³ µ¿ÀÛÇÑ´Ù.
      À¥ ¼­¹ö³ª ÀÎÅÍ³Ý ¼ÒÇÁÆ®¿þ¾îÀÇ ³×Æ®¿öÅ© µ¿ÀÛ ±â´ÉÀ» ½ÃÇèÇÏ´Â µ¥ »ç¿ëµÈ´Ù
IPv4¿¡¼­ 127.0.0.1 ·Î »ç¿ëµÇ¾î IP ½ºÅà ³»ºÎÀÇ ·ÎÄà ÀÎÅÍÆäÀ̽º¸¦ Ç¥±âÇÏ´ø °Í°ú °°ÀÌ
IPv6¿¡¼­µµ 0:0:0:0:0:0:0:1/128 or ::1/128 °¡ ¹Ù·Î ·ì¹éÁÖ¼Ò


6. IPv4 Compatible address   IPv4¿Í ȣȯ °¡´ÉÇÑ IPv6 ÁÖ¼Ò¶ó´Â ÀÇ¹Ì Pv4 ¸ÁÀ» Áß°£¿¡µÎ°í IPv6 ³ëµåµéÀÌ Åë½ÅÇÏ°íÀÚ ÇÒ ¶§
                                             ÀÚµ¿À¸·Î ÅͳÎÀ» ¸¸µé¾îÁà Åë½ÅÀ» ÇÒ ¼ö ÀÖ°Ô ÇØÁÖ´Â ÁÖ¼Ò
                                             IPv6 ÁÖ¼Ò¸¦ °®´Â ³ëµå°¡ IPv4³×Æ®¿öÅ©¸¦ Áß°£¿¡ µÎ°í ¾çÂÊ IPv6³ëµå¿Í Åë½ÅÀ» ÇÏ·ÁÇÒ °æ¿ì¿¡´Â ÅͳÎÀÌ ÇÊ¿ä.
                                             À̶§, º¸³»´Â IPv6³ëµå¿¡¼­ IPv4 Compatible ÁÖ¼Ò¸¦ »ç¿ëÇÏ°Ô µÇ¸é
                                            ÀÚµ¿À¸·Î ¡®IPv6 over IPv4 ÅͳΡ¯ À» ¸¸µé¾î ÁÙ ¼ö ÀÖ´Ù.
                                            Áï IPv4 ¸Á¿¡ IPv6 Æ®·¹ÇÈÀÌ Åë°úÇÏ°Ô ÇϱâÀ§ÇÑ ÅͳÎÀÌ ¸¸µé¾î Áö´Â°Í
                                           À̶§ ¸ñÀûÁöÀÇ IPv4 ÁÖ¼Ò´Â ¸ñÀûÁö IPv6ÁּҾȿ¡ µé¾îÀÖ´Â ÁÖ¼Ò¸¦ ÀÚµ¿À¸·Î »ç¿ë
                                             ÀÌ ÁÖ¼ÒÀÇ Çü½ÄÀº ÁÂÃø 96ºñÆ®°¡ 0 ÀÌ°í, ³ª¸ÓÁö 32ºñÆ®¿¡ IPv4 ÁÖ¼Ò°¡ µé¾î°£´Ù


EX) 0:0:0:0:0:0:192.168.30.1 or ::192.168.30.1  ::C0A8:1E01ÀÌ °æ¿ì Àü¼Û°ú ¼ö½ÅÀ» ÇÏ´Â ³ëµå´Â ¹Ýµå½Ã Dual stack µÇ¾î ÀÖ¾î¾ß ÇÑ´Ù.
µà¾ó ½ºÅØÀ̶õ ÇÑ ³ëµå°¡ IPv4¿Í IPv6¸¦ µ¿½Ã¿¡ ÀÌÇØ ÇÏ´Â°É ¸»ÇѴٴ°Í
¡ñ º¸³»´Â ÂÊ°ú ¹Þ´Â ÂÊÀÇ °æ¿ì´Â IPv4 ÁÖ¼Òµµ ¾Ë¾Æ¾ß ÇÏ°í IPv6 ÁÖ¼Òµµ ¾Ë¾Æ¾ß ÇÏ´Ï±î ²À µà¾ó ½ºÅØÀÌ ÇÊ¿äÇÏ´Ù
±×·¯³ª À̹æ¹ýÀº Æí¸®ÇϱäÇÏÁö¸¸ È®À强ÀÇ ¹®Á¦°¡ ÀÖ´Ù






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