⢠: ( ) ⢠: (IIJ) ⢠: 2003 4 ( ) IPv6 ⢠IIJ SEIL DS-Lite ⢠JANOG Softwire wg / Interop Tokyo 2013 IIJ SEIL MAP-E 2 IPv4aaS 3 4 IPv4aaS 5 IPv4 ⢠1990 IPv4 â IPv4 ⢠IPv4 2 = 42 ⢠= IP ⢠â IPv6 6 32 IPv6 ⢠1998 IPv6 (RFC2460) ⢠ICMP6, DHCPv6, OSPFv3, VRRPv3 IPv6 ⢠IPv4 7 IPv4 ? ⢠2011 2 IANA IPv4 ⢠IPv4 ⢠IPv4 ⢠8 IPv4 9 â» https://www.nic.ad.jp/timeline/20th/chapter6.html IPv4 10 IANA APNIC JPNIC IIJ
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