IPv6 Ip version 4 ba$lIgI (header), 20 byte ve 14 bOlUmden olu$maktadIr. 
Ip version 6 ba$lIgI (header), 40 byte ve 8 bOlUmden olu$maktadIr. 
IPv4 te bulunan time-to-live (TTL) isim degi$tirerek Ipv6 da, hop limit olarak yer almakta. Ipv6 Extension Header larI. 
Crypto IPv6 nIn yapImInda bUyUk Onemde rol oynamaktadIr. Transport Mode;
Tunnel Mode; 
artIk Hacker lardan korkmanIza gerek kalmadI. degilmi? 
IPv4; 4byte lIk, adres ile 2^32, yani 4.000.000.000 adreslenebilir.
IPv6; 16byte lIk, adres ile 3.4*10^38, yani 300.000.000.000.000.000.000.000.000.000.000.000.000 adreslenebilir.
IPv4 te oldugu gibi, A, B, C, D Class lar yoktur.
Current Draft Standards include:
RFC 2373: IP Version 6 Addressing Architecture
RFC 2374: An IPv6 Aggregatable Global Unicast Address Format
RFC 2460: Internet Protocol, Version 6 (IPv6) Specification
RFC 2461: Neighbor Discovery for IP Version 6 (IPv6)
RFC 2462: IPv6 Stateless Address Autoconfiguration
RFC 2463: Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification
Current Proposed Standards include:
RFC 1886: DNS Extensions to support IP version 6
RFC 1887: An Architecture for IPv6 Unicast Address Allocation
RFC 1981: Path MTU Discovery for IP version 6
RFC 2023: IP Version 6 over PPP
RFC 2080: RIPng for IPv6
RFC 2147: TCP and UDP over IPv6 Jumbograms
RFC 2452: IP Version 6 Management Information Base for the Transmission Control Protocol
RFC 2454: IP Version 6 Management Information Base for the User Datagram Protocol
RFC 2464: Transmission of IPv6 Packets over Ethernet Networks
RFC 2465: Management Information Base for IP Version 6: Textual Conventions and General Group
RFC 2466: Management Information Base for IP Version 6: ICMPv6 Group
RFC 2467: Transmission of IPv6 Packets over FDDI Networks
RFC 2470: Transmission of IPv6 Packets over Token Ring Networks
RFC 2472: IP Version 6 over PPP
RFC 2473: Generic Packet Tunneling in IPv6 Specification
RFC 2507: IP Header Compression
RFC 1888: OSI NSAPs and IPv6
RFC 2133: Basic Socket Interface Extensions for IPv6
RFC 2292: Advanced Sockets API for IPv6
RFC 2375: IPv6 Multicast Address Assignments
RFC 2450: Proposed TLA and NLA Assignment Rules
RFC 2471: IPv6 Testing Address Allocation
Updated: 18/03/99
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