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第 9 章. IPv6 的發展. 本章提要. 9-1 為何要改用 IPv6 9-2 IPv6 位址的表示法 9-3 IPv6 位址的格式 9-4 IPv6 封包的結構與表頭欄位 9-5 IPv6 的自動設定 (Auto Configuration) 機制 9-6 IPv6 的現況與未來發展. 前言. - PowerPoint PPT Presentation
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9-1 IPv69-2 IPv6 9-3 IPv6 9-4 IPv6 9-5 IPv6 (Auto Configuration) 9-6 IPv6
IPv4 , , , IP , IP , IP , IP , , IPIPv6Internet Protocol version 6
9-1 IPv6 IPv4 , IPv6 , , , IPv6 2128 , , , IPv6 ,
IPv6 (Auto-Configuration) , IPv6 , IP (Plug-and-Play) 9-5
IPv6IPv6 IPSec (IP Security) , , , IPSec , 16-9
IPv6 (Routing) IPv4 , 2060 Bytes, 14 IPv6 40 Bytes, 8 IPv6 (),
IPv6 IPv6, L3 , , , IPv6 ,
9-2 IPv6 IPv6 128 bits, 2 , 1 0 IPv4 , , , IPv6 , 8 (Segment), 16 bits , (),
IPv6 WXY Z 16 , 0F, IPv6 12345E0D309AFFC624A000000ACD729DBCE90000000000000000000000005A4D3A9D0020000100080000020000000000D
IPv6 , , , 0 , 0C12 C12000A A WXYZ 0, 16 bits ,
IPv6 ::() 0, ,::, IPv6 , 1234::5678::ABCD 1234:0:0:5678:0:0:0:ABCD 1234:0:0:0:0:5678:0:ABCD IPv6 , IPv6 ,
9-3 IPv6 IPv6 128 bits , N bits (Prefix)
IPv6 , IPv6 IPv6 /, IPv6/,
IPv6 bit (Type) IPv6UnicastMulticastAnycast 3
9-3-1 Unicast IPv6 Unicast IPv4 Unicast , IPv6 GlobalSite-LocalLink-LocalIPv4 -Compatible 4
Unicast Global 3 bits , 001, 64 bits InterfaceID (Interface IDentifier, )Interface ID IPv4 NetworkID
Unicast Site-Local 10 bits , 1111111011, 38 bits 0 , 16 bits (Subnet ID), 64 bits
Unicast 16 bits 1111111011000000, FEC0, Site-Local IPv6 FEC0 10 bits, 16 bits, 6 bits 0, , FEC01111111011
Unicast Site-Local IPv6 FEC0 10 bits, , FEC0::/10 Site-Local IPv6Link-Local 10 bits , 1111111010, 54 bits 0, 64 bits
Unicast
Unicast Site-Local , Link-Local IPv6 FE80, FE80::/10 Link-Local IPv6 , 10 bits, 16 bits 9-5 , , Link-Local IPv6 FE80
Unicast IPv4-Compatible, 32 bits IPv4 , 96 bits 0
9-3-2 Multicast IPv6 Multicast IPv4 (Multicast) (Broadcast), IPv6 8 bits , 11111111, 112 bits (Group ID, Group IDentifier)
Multicast
9-3-3 Anycast Anycast IPv6 , L3 , IPv6 , 0
9-4 IPv6 IPv4 , IPv6 HeaderPayload
IPv6 (Header), 40BytesPayload (TCP UDP) IPv6 ,,
IPv6
IPv6 , Payload (Payload Length) Payload , Byte , 40Bytes , IPv4 Total LengthTotal Length Payload
IPv6 (Next Header), IPv6 , ,6 TCP17 UDP TCPUDP , ,
IPv6 , IPv6 , AH (Authentication Header), AH ESP (Encapsulating Security Payload) , , AH ESP , ,Next Header, IPv4 Protocol, RFC1700
IPv6 (Hop Limit) IPv4 TTL (Time To Live), IPv6 ,Hop Limit 1, 0, ,
IPv6 (Source Address) IPv6 , , , Multicast Anycast , Unicast
IPv6 (Destination Address) IP , , Multicast Unicast Anycast ,
9-5 IPv6 (Auto Configuration) IPv4 , IP , TCP/IP IPv6 (Auto Configuration) , , IPv6
IPv6 (Auto Configuration) IPv6 StatefulStateless, DHCP ( 14 ) DHCP , , IPv6 , IPv6 ,
IPv6 (Auto Configuration)
IPv6 (Auto Configuration) FE80 FE80 Link-Local IPv6 , ,, , FE80
IPv6 (Auto Configuration) EUI-64 4 MAC , 24 bits 24bits IEEE , 40 bits, 64 bits MAC EUI (Extended Unique Identifier) -64
IPv6 (Auto Configuration) 48 bits MAC , 48 bits MAC EUI-64 ,
IPv6 (Auto Configuration)
IPv6 (Auto Configuration) , MAC EUI-64 , EUI-64 , IPv6 , addr1
IPv6 (Auto Configuration) (DAD) IPv6 , (Neighbor Solicitation) ,, (Neighbor Advertisement) ,
IPv6 (Auto Configuration) , IPv6 (addr1) , , , addr1 , , , , addr1 IPv6 DAD (Duplicate Address Detection, )
IPv6 (Auto Configuration) (Router Solicitation) ,(Router Advertisement) , Default Gateway
IPv6 (Auto Configuration) , FE80, FE80, IPv6 , ()
9-6 IPv6 9-6-1 9-6-2 9-6-3 IPv6 9-6-4
9-6-1 IPv4 , IP , IPv6 , , IPv6 2003 10 , , IPv6, 2008 IPv6
9-6-2 IPv6 , 2005 IPv4 IPv6 , Sony , 2003 IPv6 , 2005 , IPv6 PlayStation 2 IPv4 IPv6, SonyEricsson P800 IPv6
9-6-3 IPv6 IPv4 (), , IPv4IPv6, , IPv6 2003 14 , IPv6 , IPv6 ,
IPv6 13 , , IPv6 , IPv6 , IPv6
9-6-4 2001 10 26 NICI IPv6 , IPv6 , 2008 (e-Taiwan) 2003 3 21 , 5 ( 2003 2007 ), (TWNIC)
TWNIC , IPv6 , , , (Killer Appilications & Services) IPv6 , http://www.ipv6.org.tw