1

IPv6/ Socket IPv6

IPv6 IPv6/IPv4WG

IPv6SWG Ruri Hiromi

IPv6IPv6/IPv4WG IPv6SWG

20119

2

IPv6 Ready

IPv60.5 DMZ

IPv6

IPv6

IPv6

GLOBAL IP BUSINESS EXCHANGE

IPTVDTVIPv6

Facility Network

FMC

CGNHTML5/SPDY/WEBSOCKET

IPv6

Web SocketIPv6

IPv6

201212

3

4

IPv6

1990 IP IP

IP IP

IPIP IPv4IPv6 IPv6IPv4

IPv6 Ready Logo 1. 2. 3. IP 4. OS

Avaya / ERS 8800 10G

D-Link DES-1210-08P 10/100M Web 2

Cisco 893

Avaya / VSP9000

Dell PS6000, PS4000 iSCSI

IPv4/IPv6 IPv4/IPv6

HP Designjet / T520, T120

Konica IPv4/v6

SD9 series

HP EVA P6000 ABM

Dell Tape Library / PowerVault TL2000, TL4000

OS OS Vmware vSphere

OS OS Microsoft Windows 8, Windows Server 2012 OS

2012IPv6 http://www.jate.jp/approved_list/

IPv6

6

IPv6

iDC/ ISP OSPC

ApacheBIND

IPv6

IP

IP

7

WebWebskype

IPv6

IPv4 IPv4IPv6

IPv4

8

IPv4IPv6

GUIIP

9

IPv6

IP

192 0 2 1

IPv6

2001 db8 0 0

0 0 80 1

IPv6IPv6

IP

IPv4

10

IPv4

C/C++

IPv4SocketIPv4IPv6

IPv4DNSFQDNIP

IPv4

inet_addr(), inet_aton(), inet_lnaof(), inet_makeaddr(), inet_netof(), inet_network(), inet_ntoa(), inet_ntop(), inet_pton(), addr_ntoa(), network(), getservbyport(), gethostbyname(), gethostbyname2(), gethostbyaddr(), getservbyname(), in_addr

sockaddr_storage, getaddrinfo(), getnameinfo()

IPv6

IPv6IPv4 IPv6

DNSIPv6AAAA IPv4DNSAAAA IPv6EDNS0

IPv6 traceroute,pingIPv6 ICMPv6

11

12

IPv6 ()

CC++C#

OSsocketAPI

inet_addr, inet_aton, in_inaof, in_makeaddr, inet_netof, inet_network, inet_ntoa, inet_ntop, inet_pton, addr, ntoa, network, getservbyport, gethostbyname, gethostbyname2, gethostbyaddr, getservbyname, sockaddr_in, struct sockaddr, struct in_addr, INADDR_LOOPBACK, INADDR_ANY, IP_TTL, rresvport, rcmd, AF_INET, PF_INET

sockaddr_strage, getaddrinfo, getnameinfo

Java SolarisLinux :J2SE 1.4 Windows:J2SE 5.0

Inet4Address, Inet6Address(IPv6)

InetAddress

Perl 5.10.0 5.14:IPv6

IO::Socket::INET IO::Socket::IP

Ruby 1.9.2 UDPSocket,TCPServer Socket.udp_server_loopSocket.tcp_server_loop

PHP 5.0.0 gethostbyname,gethostbynamel checkdnsrr,PEAR::Net_DNS

13

IPv6() .NET :1.0:1.1 Tomcat :JavaVM1.41 :JavaVM1.4.2 Oracle :9i:10g:11gR2 SQL :2000:2005 MQ :5.3:6.0 Tuxedo :10.0:10.0gR3 ERP SAP :4.7:6.0:7.10 web apache :1.2.x:1.3.xweb IIS :5.2:6.0

14

1

//GUIIP

2 IP

3 /API/IPv4

4 IP

5

6 IPv6IPv6

15

IPv6

IPv6 ASCII

http://ascii.asciimw.jp/books/books/detail/4-7561-4236-2.shtml

itojun

itojun

IW2012T7IPv6 https://www.nic.ad.jp/ja/materials/iw/2012/proceedings/

t7/

IW2013

16

IPv6

IPv6/IPv4WG IPv6SWG http://www.v6pc.jp/jp/wg/coexistenceWG/v6app-

swg.phtml

SocketIPv6 http://www.v6pc.jp/jp/entry/wg/2012/12/ipv610.phtml

// http://www.v6pc.jp/jp/upload/pdf/socket-20121203.pdf http://www.v6pc.jp/jp/upload/pdf/socket-

sample-20121203.pdf http://www.v6pc.jp/jp/upload/pdf/about_asterisk_ipv6v5-9.pdf

WebIPv6

17

IPv6 Summit IPv6 Summit 2014 in Hokkaido

IPv6 12

IAjapan http://www.iajapan.org/ IPv6 http://www.iajapan.org/ipv6/

18

BSD Socket APIIPv6

IPv6

IPv6

19

BSD Socket IPv6

20

IPv6

IPv6IPv4

IPv4

IPv6/IPv4

21

IPv4 Socket Connect

22

IPv4 gethostbyname()hostent getservbyname()servent

getaddrinfo()addrinfo

freeaddrinfo()

gethostbyname2() IPv6

23

addrinfosockaddr addrinfo

11 sockaddr

sockaddr IPv4IPv6 sockaddr_in6v6 sockaddr_inv4 sockaddr_storage

24

IPv4 gethostbyaddr()hostent getservbyport()servent

getnameinfo()sockaddr

NI_NOFQDN FQDN NI_DGRAM UDP NI_NUMERICHOST etc...

25

addrinfo addrinfo ai ai->ai_family ai->ai_socktype ai->ai_protocol ai->ai_addr ai->ai_addrlen

s=socketai->ai_family, ai->ai_socktype, ai->ai_protocol;connect(s, ai->ai_addr, ai->ai_addrlen);

26

struct addrinfo hints, *res, *resall; hints.ai_family = AF_UNSPEC;hints.ai_socktype = SOCK_STREAM;getaddrinfo(www.v6pc.jp,http, &hints, &resall);

for (res = resall; res; res = res->ai_next) { s=socketres->ai_family, res->ai_socktype, res->ai_protocol;if (sai_addr, res->ai_addrlen) < 0){ close(s); continue;}/**/close(s);break;

}

27

getaddrinfo()IP addrinfo

http://www.v6pc.jp/jp/upload/pdf/socket-

sample-20121203.pdf

28

BSD Socket IPv6

29

inetd socket()

FD

IPv4 IPv4 Mapped IPv6

addressv6

30

inetd

inetdIPv6

inetd

2 socket

3

IPv6

4 IPv4

IPv4/IPv6

IPv4IPv6IPv4

31

inetd

getpeername()FDsockaddrsockaddr

sockaddrsockaddr_storage

sockaddr_storage

getnameinfo()

sockaddr_storage from;getpeername(0,(sockaddr*)&from,sizeof(from))

32

socket

33

getaddrinfo() addrinfo hintsAI_PASSIVEIN_ADDR_ANY

IN6ADDR_ANY_INIT

socket()bind()listen() FDfd_set

fd_setselect() select()fdaccept()

34

getaddrinfo() AF_INETAF_INET6

forkv4/v6 Copy on Write

35

IP

UNIXOSioctl

OSifconfig FreeBSD/usr/src/sbin/ifconfig/* ubuntunet-tools

36

http://www.v6pc.jp/jp/upload/pdf/socket-

sample-20121203.pdf

37

38

getaddrinfo

getaddrinfo() addrinfo

RFC3484 RFC6724 RFC3484Obsolete

etc...

39

IP IP

IP

IP

40

IPDNS

IP

Windows: netsh interface ipv6 show prefixpolicies Linux: ip addrlavel show FreeSBD: ip6addrctl show

41

Happy Eyeballs RFC6555RFC6556 TCP Syn

TCP Syn

Happy EyeballsIPv6 / IPv4TCP Syn Syn/AckIPTCP Ack

I/FIPv6

IPv6 Syn/Ack

42

IPv6

43

Socket

DNS

IP RFC4085

44

IP

getaddrinfo() RFC6724RFC3484 RFC

45

IPv6 IPv6

IPv6

https://www.v6pc.jp/jp/info/inquiry_web.phtml