1

I / 1

IPv6IPv6

I / 2

IPv4 IPv6

IPv6

ICMPv6

NDP

API

IPv6

I / 3

IPv4IPv4 IPv6IPv6

I / 4

–

–

– CIDR, , NAT

– IP IPv6

I / 5 I / 6

CIDRCIDR

Classless Inter-Domain Routing– RFC1519

IPv4

– CIDR

– IPng (=IPv6)

2

0

10000

20000

30000

40000

50000

60000

70000

80000

90000

Ju

n-8

8

Dec-8

8

Ju

n-8

9

Dec-8

9

Ju

n-9

0

Dec-9

0

Ju

n-9

1

Dec-9

1

Ju

n-9

2

Dec-9

2

Ju

n-9

3

Dec-9

3

Ju

n-9

4

Dec-9

4

Ju

n-9

5

Dec-9

5

Ju

n-9

6

Dec-9

6

Ju

n-9

7

Dec-9

7

Ju

n-9

8

Dec-9

8

Ju

n-9

9

Dec-9

9

Growth in BGP Route TableGrowth in BGP Route Table

Projected routing table

growth without CIDR/NAT

Deployment

Period of CIDR

Moore’s Law and NATs

make routing work today

Source: http//www.telstra.net/

ops/bgptable.html

But they cannot be

relied on forever

I / 8

133.201.2/24

I / 9

VLSM (Variable Length Subnet Mask)

(Super-Netting)

– < >

– (Best-Match)

SupernettingSupernetting

R1

R2 R3

<< Routing table in R3 >>

Destination next-hop

(1) 192.24.1.122 : R2

(2) 192.24.8.36 : R1

I / 11

DHCP ; Dynamic Host Configuration Protocol

NAT ; Network Address Translation

IP

I / 12

3

–

– TELNET

– IP

IP

–

–

3

I / 13

IANA

–

– 10.0.0.0 - 10.255.255.255

– 172.16.0.0 - 172.31.255.255

– 192.168.0.0 - 192.168.255.255

I / 14

NAT (Network Address Translation)NAT (Network Address Translation)

IP (src_IP)(src_port) IP

– (RFC1631)

1. Private Global

– DNS NAT IP

– (dst_IP)

– (src_IP, src_port)

2. Global Private

– (src_IP, src_port)

– (dst_IP)

I / 15

NAT gatewayNAT gateway

Global address

(Internet)

Private address

(LAN)

NAT router:

I / 16

- IPv4- IPv4 --

CIDR– IPv6

•

Private IP – IPv6

– NAT

DHCP

– IP

NAT

– IPv4

– Native IPv6

I / 17

IPIP

I / 18

IPng IPng

–

–

–

–

–

–

–

4

I / 19

IPngIPng

–

–

–

–

–

I / 20

IPngIPng

IP Next Generation

IPv4 IP

– 1991

– 1994 7

IPng IP

IETF

– Internet Engineering Task Force

– IAB(Internet Architecture Board) / IESG(InternetEngineering Steering Group)

–

–

– RFC Internet-draft

I / 21

IPngIPng (RFC1726)(RFC1726)

–

–

–

–

–

I / 22

IPngIPng (RFC1726)(RFC1726)

– 1012

– 109

–

–

– IPv4

( )

–

–

–

–

–

I / 23

IPng IPng

1991 IAB

1992 IPng

– TUBA(TCP and UDP over Bigger Address)

– CATNIP(Common Architecture for the Internet)

– SIPP(Simple Internet Protocol Plus)

1994 SIPP

1995 IPv6 RFC 1883: IPv6 Specification (1995/12)

1998 IPv6 RFC 2460: IPv6 Specification (1998/12)

2003

RFC 3513: IPv6 Address Architecture (2003/4)

2004

I / 24

IPv6IPv6

5

I / 25

IPv6IPv6 IPv4IPv4

– 128bit

• 32bit 4,294,967,296 (40 )

• 128bit 340,282,366,920,938,463,463,374,607,431,768,211,456

–

–

–

–

I / 26

IPv6IPv6 IPv4IPv4 (cont.)(cont.)

–

•

•

•

• IP

–

RouterHOST HOST

I / 27

IPv6IPv6 IPv4IPv4 (cont.)(cont.)

– ARP NDP

–

– IPsec

– IP

• MobileIPv6

• IPsec

• Explicit Multicast

I / 28

IPv6 - IPv6 -

– End-to-End

–

– MobileIP

– IPsec

–

–

I / 29 I / 30

IPv6 – IPv6

IPv6 – IPv6

IPv6 – IPv6 IPv6

–

6

I / 31

(cont.)(cont.)

(Neighbor)

–

IPv6 – IPv6 +

MTU

–

MTU– MTU

I / 32

(cont.)(cont.)

–

IPv6

–

– IPv4 IPv6

I / 33 I / 34

IPv6 IPv6

128bit 16

4 :

– 3ffe:501:100c:e320:2e0:18ff:fe98:936d

0

– 3ffe:0501:100c:e320:0000:0000:0000:0001 3ffe:501:100c:e320::0001

I / 35

IPv6 IPv6

ID – ( 64bit)

•

– ID ( 64bit)

• EUI-64

• Ethernet MAC

I / 36

IPv6 IPv6 (cont.)(cont.)

Interface ID

64bit 64bit

Network Prefix

IPv6 : 2001:218:1800::/48IPv4 : 45.0.0.0/8

(subnet …)2001:218:1800:e100::/642001:218:1800:e200::/6445.0.1.0/24

7

I / 37

Unicast Address

–

Anycast Address

–

Multicast Address

–

I / 38

(cont.)(cont.)

Loopback Address– ::1

IPv4 – ::IPv4 address

– ::203.178.142.1

–

IPv4

– ::ffff:IPv4 address

– ::ffff:203.178.142.1

– IPv4

I / 39

AnycastAnycast

HOSTHOST

HOST

HOST

2001::1

2001::1

2001::1

I / 40

Global address

–

Link-Local address

–

– fe80::1

Site-Local address

–

– fc00::1000:0:0:0:1

(cont.)(cont.)

HOST HOST

Router

HOST

Link-local

Link-local

Site-local

Site-local

Global

I / 42

FP TLA ID RE NLA ID SLA ID Interface ID

3 13 8 24 16 64

FP Format Prefix

RE Reserved

TLA ID Top-Level Aggregation Identifier

NLA ID Next-Level Aggregation Identifier

SLA ID Site-Level Aggregation Identifier

(RFC2374)

8

I / 43

Format PrefixFormat Prefix

Prefix

Reserved 0000 0000 1/256

Unassigned 0000 0001 1/256

Reserved for NSAP Allocation 0000 001 1/128

Reserved for IPX Allocation 0000 010 1/128

Unassigned 0000 011 1/128

Unassigned 0000 1 1/32

Unassigned 0001 1/16

Aggregatable Global Unicast Address 001 1/8

Unassigned 010 1/8

Unassigned 011 1/8

Unassigned 100 1/8

Unassigned 101 1/8

I / 44

Format Prefix (cont.)Format Prefix (cont.)

Prefix

Unassigned 110 1/8

Unassigned 1110 1/16

Unassigned 1111 0 1/32

Unassigned 1111 10 1/64

Unassigned 1111 110 1/128

Unassigned 1111 1110 0 1/512

Link-Local Unicast Address 1111 1110 10 1/1024

Site-Local Unicast Address 1111 1110 11 1/1024

Multicast Address 1111 1111 1/256

Unassigned Unicast

I / 45

ISP A

ISP B

A B

3ffe:500::/24

3ffe:501::/32

3ffe:501:1000:/48 3ffe:501:2000:/48

TLA ID

NLA ID

SLA ID

I / 46

TLA (Top Level Aggregator)TLA (Top Level Aggregator)

TLA ID RE

3 13 8 24

NLA IDFP

TLA ID

3 13 13 19

NLA IDFP SubTLAID

RIRs (ARIN, RIPE, APNIC)

/29

Default-free

I / 47

NLA (Next Level Aggregator)NLA (Next Level Aggregator)

TLA ISP

/30 /48

TLA ID RE

3 13 8 24

NLA IDFP

TLA ID NLA IDFP SubTLAID

3 13 13 19

I / 48

SLA (Site Level Aggregator)SLA (Site Level Aggregator)

NLA

/49 /64

TLA ID NLA IDFP SubTLAID

3 13 13 19 16

SLA ID

9

I / 49

TLA TLA

3 native IPv6

Transit (leaf )

Registry

Registry RIR

IANA

I / 50

SLA has been gone!SLA has been gone!

SLA– NLA

– RFC3513

–

• Global routing prefix + Subnet ID

• Interface ID (64bit)

– APNIC assignment

• Global routing prefix: /32 (= TLA)

• 32bit assignment for networks (= Subnet ID)

I / 51

Ethernet Ethernet IPv6 IPv6

MAC

EUI-64– 00:e0:18:98:93:6d (MAC address)

3ffe:501:100c:e320:2e0:18ff:fe98:936d

I / 52

Unicast Unicast AddressAddress

Link Local Address–

fe80::2e0:18ff:fe98:936d

Site Local Address–

fec0:: 2e0:18ff:fe98:936d

1111111010 00000.........0000

1111111011 00000..0

I / 53

Anycast Anycast AddressAddress

Unicast Address

1

I / 54

11111111

0

1

2

5

8

E

F

0000

0001

10

I / 55

FF00:0:0:0:0:0:0:0

FF01:0:0:0:0:0:0:0

:FF0F:0:0:0:0:0:0:0

FF01:0:0:0:0:0:0:1 IPv6

FF02:0:0:0:0:0:0:1 IPv6

FF01:0:0:0:0:0:0:2 IPv6

FF02:0:0:0:0:0:0:2 IPv6 FF02:0:0:0:0:0:0:C DHCP /

FF02:0:0:0:0:1:x:x

I / 56

IPv6 IPv6

% ping6 ff02::1%eth0

PING ff02::1(ff02::1) from fe80::2e0:18ff:fe98:936d eth0: 56 data bytes

64 bytes from ::1: icmp_seq=0 hops=64 time=1.2 ms

64 bytes from fe80::2d0:b7ff:fe9a:6f27: icmp_seq=0 hops=64 time=1.3 ms (DUP!)

64 bytes from fe80::2e0:18ff:fe01:81f7: icmp_seq=0 hops=64 time=1.4 ms (DUP!)

64 bytes from fe80::2d0:b7ff:fe9a:6b58: icmp_seq=0 hops=64 time=1.7 ms (DUP!)

64 bytes from fe80::2e0:18ff:fea8:c706: icmp_seq=0 hops=64 time=1.8 ms (DUP!)

64 bytes from fe80::240:26ff:fe66:a4: icmp_seq=0 hops=64 time=1.8 ms (DUP!)

64 bytes from fe80::200:86ff:fe42:55ff: icmp_seq=0 hops=64 time=1.9 ms (DUP!)

64 bytes from fe80::2e0:18ff:fea8:34c8: icmp_seq=0 hops=64 time=2.2 ms (DUP!)

64 bytes from fe80::210:4bff:fe92:cc93: icmp_seq=0 hops=64 time=2.2 ms (DUP!)

64 bytes from fe80::250:70ff:fe01:d2c8: icmp_seq=0 hops=64 time=2.3 ms (DUP!)

64 bytes from fe80::2a0:ccff:fe73:34f7: icmp_seq=0 hops=64 time=2.4 ms (DUP!)

64 bytes from fe80::2e0:18ff:fea8:4e0a: icmp_seq=0 hops=64 time=2.6 ms (DUP!)

I / 57

Global Unicast

(Solicited Multicast Address)

I / 58

((NetBSDNetBSD))

de0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500

address: 00:00:f8:03:db:34

media: Ethernet autoselect

status: active

inet 203.178.138.146 netmask 0xfffffff8 broadcast 203.178.138.151

inet6 fe80::200:f8ff:fe03:db34%de0 prefixlen 64 scopeid 0x2

inet6 2001:200:0:4400:200:f8ff:fe03:db34 prefixlen 64

inet6 2001:200:0:4400::1 prefixlen 64

inet6 fec0::4401:0:0:1:1 prefixlen 64

lo0: flags=8009<UP,LOOPBACK,MULTICAST> mtu 33228

inet 127.0.0.1 netmask 0xff000000

inet6 ::1 prefixlen 128

inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4

I / 59

(Linux)(Linux)

% netstat -g

Interface RefCnt Group

--------------- ------ ---------------------

lo 1 ff02::1

eth0 1 ff02::9 <- RIPng

eth0 3 ff02::1:ff98:936d <- Solicited Multicast

eth0 1 ff02::1 <- All node Multicast

eth0 1 ff02::2 <- All router Multicast

I / 60

IPv6 IPv6 2001:200:160::/48 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:161::/48 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:162::/48 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 9 9180 pvc0

2001:200:180::/48 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:180:2::/64 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 3 9180 pvc0

2001:200:180:3::/64 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:1a8:300::/64 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:1a8:a00::/64 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:1a8:88d0::/64 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:1a8:8940::/64 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:200::/40 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:300::/40 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:500::/40 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:600::/40 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:800::/40 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:200:900::/40 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:208::/35 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 0 9180 pvc0

2001:218::/35 fe80::2e0:18ff:fe98:a28d%pvc0 UG1 0 10 9180 pvc0

11

I / 61

ISP A

ISP B

C ISP D ISP E

3ffe:500::/24

3ffe:501::/32

3ffe:501:1000::/48 3ffe:501:2000::/48 3ffe:501:3000::/48I / 62

ISP1

ISP2

Multi-Home Network 3ffe:501:1000::/48

2001:218:1800::/48

3ffe:501:1000:1000::/64

2001:218:1800:1000::/64

I / 63

NLA -> TLA Aggregation

TLA

draft-ietf-ipngwg-ipv6-2260-01

– Edge router

I / 64

I / 65

IPv4 IPv4

Ver HL TOS Total Length

Identification FlagFragment

Offset

TTL Protocol Header Checksum

Source Address

Destination Address

Options Padding

IPv4

IPv6

I / 66

IPv6 IPv6

Ver Traffic

ClassFlow Label

Payload LengthNext

HeaderHop Limit

Source Address

Destination Address

IPv6

• IPv4

•

12

I / 67

IPv6 IPv6

Version 6

Traffic Class (diffserv)

Flow Label (real-time)

Payload Length

Next Header (RFC1700)

Hop Limit

Source Address

Destination Address

I / 68

– Hop-by-hop option

–

–

( )

–

I / 69

(2)(2)

Next Header = TCP

Next Header = TCP

IPv6 Header TCP Header

IPv6 Header

Next Header = EXT

EXT Header TCP Header

Next Header

= EXT

IPv6 Header

Next Header

= EXT

EXT Header TCP HeaderEXT Header

Next Header

= TCP

I / 70

(3)(3)

–

–

–

–

ICMP

8

I / 71

Next Header Hdr Ext Len Option

Option Option

8bit 8bit

I / 72

Option Type Option Len Option Data

Option Len

13

I / 73

– type 0

Next Header Hdr Ext Len Routing Type Segment Left

Reserved

Address[0]

Address[1]

Address[n]

I / 74

Hdr Ext Len

–

– 8

Routing Type

– Type 0

Segment Left

–

I / 75

IPv6– Segment Left > Hdr Ext Len / 2

•

– Segment Left = 0

•

– Segment Left < Hdr Ext Len / 2

• IPv6

I / 76

(cont.)(cont.)

IPv6Header

RoutingHeader

Payload

Routing Header

IPv6 address

IPv6 Header

I / 77

Path MTU Discovery

I / 78

MTU

8 ( )

– Fragment Offset (8 )

– M - More bit

• 1: 0:

– Identification

Next Header Reserved Fragment Offset Re M

Identification

14

I / 79

H0

H0

0 F1 F2

M=1

FO=0

M=1

FO=F1

M=0

FO=F2

Next Header Reserved Fragment Offset Re M

Identification

op

t1

H0 op

t2

H0o

pt3

I / 80

Next Header Hdr Ext Len Option

Option Option

8bit 8bit

I / 81

No Next HeaderNo Next Header

I / 82

– 20

–

– QoS

–

–

I / 83

TCP UDP IPv6

Next Headerzero Payload Length

Source Address

Destination Address

I / 84

ICMPv6ICMPv6

15

I / 85

ICMPv6ICMPv6

Internet Control Message Protocol for IPv6

IP

–

–

ICMP – ping, traceroute

IPv4 ICMP

I / 86

ICMPv6 ICMPv6

Type Code checksum

Message Body

Type ValueType Semantics1 Destination unreachable2 Packet is too big3 Time exceeded4 Parameter problem128 Echo request129 Echo reply

I / 87

Path MTUPath MTU

Path MTU– MTU

– ICMP Too Big Message

– 10 )

Path MTU Discovery

I / 88

NDP (Neighbor Discovery Protocol)NDP (Neighbor Discovery Protocol)

I / 89

NDP NDP

ARP(Address Resolution Protocol) NDP(Neighbor Discovery Protocol)

ICMP

IP

–

–

–

– Multicast

I / 90

NDP NDP (cont.)(cont.)

–

–

–

–

–

16

I / 91

NDP NDP

Router Solicitation

–

– Solicited Address

Router Advertisement

–

Neighbor Solicitation

–

Neighbor Advertisement

–

Redirect

–

I / 92

Solicited Multicast AddressSolicited Multicast Address

eth0 : 00:E0:18:98:93:6D

inet :203.178.143.49 :203.178.143.255 :255.255.255.0

inet6 : fe80::2e0:18ff:fe98:936d/10 :

inet6 : 3ffe:505:d::1/64 :

inet6 : 3ffe:505:d:1000:2e0:18ff:fe98:936d/64 :

inet6 : 3ffe:501:100c:d210:2e0:18ff:fe98:936d/64 :

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX :11876764 :6 :0 :4 :0

TX :9069672 :0 :0 :0 :0

(Collisions):0 TX :100

:11

I / 93

NDP NDP

tcpdump: listening on fxp0

09:52:22.010035 2001:218:1800:c050:210:f3ff:fe03:5445 >

ff02::1:ff00:567: icmp6: neighbor sol: who has

2001:218:1800:c050::567

09:52:23.010035 2001:218:1800:c050:210:f3ff:fe03:5445 >

ff02::1:ff00:567: icmp6: neighbor sol: who has

2001:218:1800:c050::567

09:52:24.010037 2001:218:1800:c050:210:f3ff:fe03:5445 >

ff02::1:ff00:567: icmp6: neighbor sol: who has

2001:218:1800:c050::567

09:52:24.010399 fe80::200:87ff:fe28:e090 >

2001:218:1800:c050:210:f3ff:fe03:5445 : icmp6: neighbor adv: tgt is

fe80::200:87ff:fe28:e090

I / 94

NDPNDP

PROBE DELAY

NONE

INCOMPLETE REACHABLE STALE

( )

( )

NA

( )

NS

( )

NS

( )

DELAY_FIRST_PROBE_TIME

I / 95

Solicited AddressSolicited Address

IP

2001:218:1800:c050::1234:5678

– ff02::1:ff34:5678

– 2001:218:1800:c050::1234:5678

ff02::1:ff34:5678

HOST HOST

2001:218:1800:c050::1234:5678

ff02::1:ff34:5678-- ?

I / 96

17

I / 97

Stateless Address Auto Configuration

NDP

EUI-64

RA

Plug & Play

I / 98

draft-ietf-ipngwg-router-renum-10

I / 99 I / 100

IPsec IPsec

– keyed MD5 DES CBC …

3

–

–

–

I / 101

22

AH Authentication Header

–

ESP Encapsulating Security Payload

–

I / 102

(AH)(AH)

AH Authentication Header

IPv6

Next Header Length

Authentication Data

Reserved

Security Parameters Index (SPI)

Sequence Number

18

I / 103

(cont.)(cont.)

Length: Payload

SPI:

Sequence Number:

Authentication Data:

I / 104

Security Parameters IndexSecurity Parameters Index

SecurityAssociation(SA) SPI

SA SPI

–

–

–

–

I / 105

(ESP)(ESP)

ESP Encapsulating Security Payload

IPv6

Security Parameters Index (SPI)

Sequence Number

Initialization Vector (variable len)

Payload Data (variable len)

Padding (0-255byte)

Authentication Data (variable len)

Pad Len NH

I / 106

ESP - ESP -

IP Hdr Ext Hdr TCP DataESP

ESP IP Hdr Ext Hdr ESP TCP DataESPAuth

I / 107

Internet

IP Payload

IP ESP

IP Payload

IP ESP

I / 108

ESP - ESP -

IP Hdr Ext Hdr TCP DataESP

ESP IP Hdr Ext Hdr ESP TCP DataESP

AuthIP Hdr Ext Hdr

19

I / 109

Internet

IP1 Payload

IP2 IP1 ESP

IPsec-GW IPsec-GW

IP2 IP1 ESP

IP1 Payload

I / 110

IPv6

–

–

–

–

–

I / 111 I / 112

Mobile IPv6 Mobile IPv6

draft-ietf-mobileip-ipv6-13

IPv6 address

–

–

I / 113

Mobile IPv6 Mobile IPv6

Mobile Node (MN)

–

Home Link– Mobile Node

Home Address– Home Link IP address

Care of Address– IP address

I / 114

Mobile IPv6 Mobile IPv6 (cont.)(cont.)

Home Agent (HA)– Home Link

Correspondent Node (CN)– Mobile Node

binding– Home Address Care of Address

20

I / 115

Home Agent

Mobile Node

Mobile Node

Mobile IP: Mobile IP: ++

I / 116

Binding Binding

IPv6

Header

Home Address

Option

Authentication

Header

Binding

Update

Option

IPv6

Header

Routing

Header

Authentication

Header

BindingAcknowledgement

OptionPayload

Payload

Binding Update

Binding Acknowledgement

Source Address:

care-of addressto inform the recipient ofthat packet of the mobile

node’s home address

authenticatethis packet

including

BindingInformation

Destination

Address:

MN’s home address

to deliver the packet tothe mobile node through

the care-of address

I / 117

IPv6IPv6

I / 118

IPv4 IPv4 IPv6 IPv6

IPv4 IPv6

IPv6 IPv4

IPv6

I / 119

IPv6IPv6

IPv6 Network

IPv4 Network

IPv6 over IPv4 Tunnel

IPv4 over IPv6 Tunnel

IPv6

IPv6

IPv6

IPv6

IPv4/IPv6

IPv6

IPv6

IPv6

I / 120

– IPv4/IPv6

IPv6 in IPv4

– IPv4 IPv6

–

– IPv4 IPv6

–

21

I / 121

IPv6/IPv4 – IPv6

• NetBSD/FreeBSD/BSDI/Linux/Win2k/Macintosh

–

– IPv4 IPv4

– IPv6 IPv4/IPv6 IPv6

I / 122

IPv6 in IPv4 IPv6 in IPv4

IPv6 – IP Tunneling (IP in IP)

– Mbone IP multicast

– IP IPv6 IPv4

IPv6 site IPv6 siteIPv4 Internet

IPv6 packet IPv6 packetIPv6 packet

IPv4 packet

I / 123

IPv6 IPv6 in IPv4)

IPv6

IPv4

IPv6

Packet FormatPacket Format

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IPv4 IPv6 – IP (NAT-PT)

– (FAITH)

– (SOCKS64)

IPv6HOST

IPv4HOST

IPv6 Packet IPv4 Packet

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IPv6 IPv6

RIP RIPng

BGP4 BGP4+

OSPFv2 OSPFv3

IS-IS IS-IS for IPv6

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DNS for IPv6DNS for IPv6

RFC1886, RFC2874

IPv6 RR

– AAAA

– A6

– DNAME

Inverse zone

– ip6.int. (nibble boundary)

– ip6.arpa. (bitlabel boundary)

22

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DNS zone file DNS zone file 1)1)

$ORIGIN .

$TTL 3600 ; 1 hour

linux-ipv6.org IN SOA linux6.nezu.wide.ad.jp. sekiya.linux-ipv6.org. (

43 ; serial

1800 ; refresh (30 minutes)

900 ; retry (15 minutes)

172800 ; expire (2 days)

10800 ; minimum (3 hours)

)

NS shaku.sfc.wide.ad.jp.

NS linux6.nezu.wide.ad.jp.

A 203.178.142.218

MX 5 linux6.nezu.wide.ad.jp.

AAAA 2001:200:0:1c01:2b0:d0ff:fe23:d5e5

A6 0 2001:200:0:1c01:2b0:d0ff:fe23:d5e5

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DNS zone file DNS zone file 2)2)

$TTL 3600 ; 1 hour

d.0.0.0.5.0.5.0.e.f.f.3.IP6.INT IN SOA chiharu.netvillage.ne.jp. sekiya.v6.linux.or.jp. (

100091601 ; serial

3600 ; refresh (1 hour)

900 ; retry (15 minutes)

3600000 ; expire (5 weeks 6 days 16 hours)

3600 ; minimum (1 hour)

)

NS chiharu.netvillage.ne.jp.

NS shaku.sfc.wide.ad.jp.

$ORIGIN d.0.0.0.5.0.5.0.e.f.f.3.IP6.INT.

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 PTR shaku.v6.linux.or.jp.

d.6.3.9.8.9.e.f.f.f.1.8.0.e.2.0.0.0.0.1 PTR shaku.v6.linux.or.jp.

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3 PTR chiharu.v6.linux.or.jp.

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4 PTR ipsmg.v6.linux.or.jp.