Table of Contents
IPv6: Why, What, When, How?
Why?
Life Before IP
The IP Solution
The Internet Today
But Isn’t There Still Lots of IPv4 Address Space Left?
Why Are NATs Not Adequate?
But Can’t We Just Make the NATs Better?
What?
The IPv6 Header
The IPv4 Header
Extension Headers
Address Types
Address Type Prefixes
Global Unicast Addresses
Link-Local & Site-Local Unicast Addresses
Multicast Addresses
Routing
Serverless Autoconfiguration (“Plug-n-Play”)
Auto-Reconfiguration (“Renumbering”)
Mobile IP (v4 version)
Mobile IP (v6 version)
Other Features of IPv6
How?
IPv4-IPv6 Co-Existence / Transition
Dual-Stack Approach
Tunnels to Get Through IPv6-Ignorant Routers / Switches
Translation
Network Address Translation and Protocol Translation (NAT-PT)
The IPv4 Internet Today
Introducing IPv6 (Simplified View)
Expanding IPv6 (Simplified View)
When?
Standards
Implementations
Deployment
Deployment (cont.)
Deployment (cont.)
Other Sources of Information
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