今からはじめるIPv6　～IPv6標準化最新動向編～

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4 IPv6!! Windows XP/Vista! fec0:0:0:ffff::1, fec0:0:0:ffff::2, fec0:0:0:ffff::3 DNS! IPv6! Windows XP! netsh interface ipv6 set state v4compat=enable! 0! OS! NAT-PT! InternetWeek2010 Copyright 2010 Yoshiaki Kitaguchi, All rights reserved. 4

6 RA RDNSS/DNSSL! RDNSS RFC5006! Recursive DNS Server Option! RA DNS!! draft-ietf-6man-dns-options-bis-08! RDNSS! DNSSL! DNSSL! DNS Search List Option! DHCP! RFC InternetWeek2010 Copyright 2010 Yoshiaki Kitaguchi, All rights reserved. 6

7 DHCPv6!! DHCPv6 more specific route!! DHCPv6 Route Option 3 draft-dec-dhcpv6-route-option-05! OPTION_IA_RT, OPTION_NEXT_HOP, OPTION_RT_PREFIX! MIF WG WG!! RFC3484! Address Selection Policy Option draft-fujisaki-6man-addr-select-opt-00! 6MAN WG WG InternetWeek2010 Copyright 2010 Yoshiaki Kitaguchi, All rights reserved. 7

9 RFC3484 1! draft-ietf-6man-rfc3484-revise-01! RFC3848! 6MAN WG WG! ULA Teredo!! Prefix Precedence Label ::1/ loopbak address fc00::/ ULA ::/ Global IPv6 address ::ffff:0:0/ IPv4 mapped address (IPv4 address) 2002::/ to4 address 2001::/ Teredo address ::/ IPv4 compatible address fec::/ IPv6 site- local unicast address 3ffe::/ bone test address Precedence 1 InternetWeek2010 Copyright 2010 Yoshiaki Kitaguchi, All rights reserved. 9

11 RA! RA!! RA 1! DHCP! RA!! draft-ietf-v6ops-rogue-ra-02! draft-ietf-v6ops-ra-guard-08! RFC RA Mitigation Senario Admin error User error Manual configuration Y Y SeND Y Y RA snooping Y Y Use switch ACLs Y Y Router Preference N Y Layer 2 admission N N Host firewall Y Y Deprecation daemon Y Y Layer 2 partitioning N Y DHCPv6 gateway Partly If Auth InternetWeek2010 Copyright 2010 Yoshiaki Kitaguchi, All rights reserved. 11

12 IPv6 PtoP /127! IPv4 /30! / / ! IPv6 /127! 2001:DB8:1:1::/ :DB8:1:1::0 2001:DB8:1:1::1 1! / :DB8:1:1::/ :DB8:1:1::0 2001:DB8:1:1::1 2001:DB8:1:1::2 2001:DB8:1:1::3! draft-ietf-6man-prefixlen-p2p-00! PtoP /127! 6MAN WG WG InternetWeek2010 Copyright 2010 Yoshiaki Kitaguchi, All rights reserved. 12

13 IPv4-IPv6 1! BEHAVE WG WG! RFC! RFC6052 IPv6 Addressing of IPv4/IPv6 Translators! RFC! draft-ietf-behave-v6v4-framework-10! draft-ietf-behave-v6v4-xlate-23! draft-ietf-behave-v6v4-xlate-stateful-12! draft-ietf-behave-dns64-11! NAT-PT! NAT64 IPv6 IPv4! NAT46 IPv4 IPv6! DNS64 NAT64 InternetWeek2010 Copyright 2010 Yoshiaki Kitaguchi, All rights reserved. 13

14 IPv4-IPv6 2!! SIIT RFC2765! IPv4 IPv6 ::ffff:0:0/96! IPv6 IPv4 ::ffff:0:0:0/96! IPv6! RFC6052! Prefix prefix (32) prefix (40) prefix (48) IPv4 (32) IPv4 (24) (16) u u u (8) (16) suffix suffix suffix u IPv6 universal/local prefix (56) prefix (64) prefix (96)! IPv6 (8) u u IPv4 (24) IPv4 (32) IPv4 (32)! well-known RFC6052! 64:ff9b::/96 suffix suffix u prefix 96 SIIT InternetWeek2010 Copyright 2010 Yoshiaki Kitaguchi, All rights reserved. 14

15 IPv4! NAT444! ISP!! DS-Lite SOFTWIRE WG! DS-Lite draft-ietf-softwire-dual-stack-lite-06! ISP IPv6 IPv4! RFC DHCP! LSN! A+P draft-ymbk-aplusp-06!! 4rd draft-despres-softwire-4rd-00! IPv4 IPv6 CPE InternetWeek2010 Copyright 2010 Yoshiaki Kitaguchi, All rights reserved. 15

16 4rd IPv4 residual deployment! IPv4! 4rd IPv /24! IPv6 2001:db8:ffxx:xx00::/ ISP Prefix 2001:db8:ff00 IPv4 suffix 0x10! IPv4 suffix! 4rd IPv ! Port range Port range 0x33 ID! 0x3300 0x33ff!! IPv6 2001:db8:ff10:3300::/56! IPv /0x3300 0x ID InternetWeek2010 Copyright 2010 Yoshiaki Kitaguchi, All rights reserved. 16

今からはじめるIPv6 ～IPv6標準化最新動向編～

今からはじめるIPv6　～IPv6標準化最新動向編～