Course Outline

IPv4 Shortcomings

·  Address Space Shortage

·  Limited Option Field Size

·  Weak Header Checksum

·  Address Resolution Protocol

IPv6 Major Features

·   Expanded Routing and Addressing

·   Header Format Simplification

·   Improved Support for Options

·   Quality-of-Service Capabilities (currently undefined)

·   Authentication and Privacy Capabilities (similar to IPSec)

·   New address type (anycast) defined

IPv6 Header in Detail

·   Traffic Class

·   Flow Label

·   Payload Length

·   Next Header

·   Hop Limit

·   Address Field

·   IPv6 Options

IPv6 Feature Descriptions

·   Path MTU Discovery

·   End System Fragmentation

·   Embedded Layer 2 Address

·   Automatic Address Registration

IPv6 Security

·  Authentication Header

·  Encapsulation Security Protocol

·  Transport Mode

·  Tunnel Mode

·  Internet Key Exchange

IPv6 Address

·   Address Structure

·   Address Abbreviations

·   Special Addresses

·   Address Assignment

·   IPv6 Anycast

Impact on Other Protocols

·   ICMP

·  TCP/UDP

·   DHCP

·   DNS

IPv6 Quality of Service

·   Differentiated Service

·   MPLS

·   Traffic Engineering

IPv6 Transition Options

·   Dual Protocol Stacks

·   IPv6 Tunneling

·   IPv4 - IPv6 Gateways

·   IPv4 Addresses in IPv6 Packets

IPv6 Support

·  What vendors support IPv6

·  When is a good time to convert