Introduction of IPv6

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Introduction of IPv6. Why’s IPv6? What’s new in IPv6? IPv6 Addressing IPv4 – IPv6 Migration. Why’s IPv6?. การใช้งาน IPv4 มีปริมาณสูงขึ้นอย่างต่อเนื่อง Mobile IP users วิธีการแก้ปัญหาชั่วคราวเช่น CIDR, Private IP ช่วยเพียงชะลอการใช้งาน IPv4 เท่านั้น - PowerPoint PPT Presentation

Transcript of Introduction of IPv6

  • Introduction of IPv6 Whys IPv6? Whats new in IPv6? IPv6 Addressing IPv4 IPv6 Migration

  • Whys IPv6? IPv4 Mobile IP users CIDR, Private IP IPv4 IPv4 Security Virus ()Worm ()IPv4

  • Whats new in IPv6?IP Address 128 IP address 2128 ( 340,282,366,920,938,463,463,374,607,431,768,211,456) IP address 1 IP address end-to-end NAT(Network Address Translation)

  • Whats new in IPv6? (contd.)Autoconfiguration : DHCP(Dynamic Host Configuration Protocol) IPv4Security : Authentication Encryption IPv6 Multicast : IPv6 QoS (Quality of service) : Flow Label Traffic Class

  • Whats new in IPv6? (contd.) IP address (Hierarchy) Routing Table IPv4 IPv6 IPv6 IPv4

  • Whats new in IPv6? (contd.) IPv6 header

  • IPv6 Packet FormatBaseHeaderExtensionHeader 1ExtensionHeader n...Optional40 bytesData

  • IPv6 Extension HeaderHop-by-hop optionsExtension headerDescriptionMiscellaneous information for routersRoutingFragmentationAuthenticationEncrypted security payloadDestination options -2Full or partial route to followManagement of datagram fragmentsVerification of the senders identityInformation about the encrypted contentsAdditional information for the final destination onlyDestination options -1Information for 1st destination

  • IPv6 Addressing 128 8 16 colon (:) 16 4

    :3FFE:3700:1100:0001:D9E6:0B9D:14C6:45EE

  • IPv6 Address Compacting double colon (::) !! double colon :FE80:0210:0000:0000:A4FF:0000:0000:0097 FE80:210::A4FF:0:0:97 FE80:210:0:0:A4FF::97FE80:210:0:0:A4FF:0:0:97 FE80:210::A4FF::97

  • Are they IPv6?FFFE:2473:ABCD::FGFE::1ABC:5678:0:0:0::1AAAA:1234:::FFFFACD:1123:4567:ABCD:FFEE:1256:0:1:22001::FFFF:4567::

  • IPv6 Address TypesUnicast:1 1

    Multicast: 1

    Anycast:1 MMMAAA

  • Global Unicast Address Public IPv4

    T.L.A : Top Level AggregatorN.L.A : Next Level AggregatorS.L.A : Site Level Aggregator

  • Aggregatable Global Unicast AddressIANA2001::/16ARIN2001:0400::/23APNIC2001:0200::/232001:0300::/232001:0500::/232001:0C00::/23RIPE2001:0600::/23-2001:0B00::/23ISP/32ISP/32ISP/32ISP/32ISP/32ISP/32Site/48Site/48Site/48Site/48Site/48Site/48Site/48Site/48Site/48Site/48Site/48Site/48

  • Link-local Unicast Address IPv6 link link:FE80::5ABC:01FF:FE01:1111FE80::0060:08FF:FEB1:7EA2

  • Site-local Unicast Address site site Private IPv4 Unique Local Unicast Address (FC00::/7 & FD00::/7) :FEC0::1:5ABC:1FF:FE01:1111FEC0::CAB:60:8FF:FEB1:7EA2

  • Multicast Address Broadcast Address IPv6 Multicast Address Scope :1 - node local2 - link-local5 - site-local8 - organization-localB - community-localE - global :FF01::1FF02::1

  • Scope of Multicast

  • Imbedded IPv4 Address80 Bits32 Bits16 BitsIPv4 Address000000000000IPv4 Compatible IPv6 Addresses ::192.168.30.1 -> ::C0A8:1E01 (11000000.10101000.00011110.00000001)0000:0000:0000:0000:0000:0000:C0A8.1E0180 bits32 Bits16 BitsIPv4 AddressFFFF00000000IPv4 Mapped IPv6 Address ::FFFF:192.168.30.1 -> ::FFFF:COA8:1E01

  • IPv6 Prefix Representation CIDR IPv4

    :3FFE::2300:CE21:233:FEA0/60201:468:1102:1::1/64

  • IPv4- IPv6 TransitionDual-stack IPv4 IPv6Tunneling IPv6 IPv4Translation IPv6 IPv4

  • Dual-Stackwww.a.com=?3ffe:b00::1Web Serverwww.a.com3ffe:b00::1IPv4NetworkIPv6NetworkDual-stackRouter

  • TunnelingIPv4 NetworkIPv6 headerIPv6 dataIPv4 headerTunnel: IPv6 in IPv4 PacketDual-stackRouterDual-stackRouterIPv6 hostIPv6 host

  • TranslationIPv6 NetworkTranslatorIPv4 ApplicationsIPv6 Native HostIPv6 Native Host

  • IPv4 IPv6 Transition Step

  • IPv6 Examples (Ping)CATIPv6#ping ipv6 2002:CA2F:FE16::1

    Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 2002:CA2F:FE16::1, timeout is 2 seconds:!!!!!Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms

  • IPv6 Examples (Traceroute)CATIPv6# traceroute ipv6 www.6bone.net

    Type escape sequence to abort.Tracing the route to 6bone.net (3FFE:B00:C18:1::10)

    1 v6-tunnel69-uk6x.ipv6.btexact.com (2001:7F8:2:8029::2) 564 msec 556 msec 564 msec 2 v6-tunnel-japan-telecom.ipv6.btexact.com (2001:7F8:2:8016::3) 732 msec 736 msec 748 msec 3 * * * 4 * * * 5 rap.ipv6.viagenie.qc.ca (3FFE:B00:C18:1:290:27FF:FE17:FC0F) 944 msec 976 msec 940 msec 6 6bone.net (3FFE:B00:C18:1::10) 944 msec 952 msec 948 msec

  • IPv6 Examples (URL)

    http://202.47.249.7IPv4http://www.cat.net.th

    http://[3ffe:8010:7:3d::2]IPv6http://www.6bone.net