IPv6 theory

The linked video introduces IPv6 theory. IPv6 is the 128-bit address replacement for IPv4. The Internet is expected to run out of it's 4-billion IPv4 addresses in 2012. IPv6 will replace IPv4 at the network-layer of the OSI stack. By replacing one layer in the stack, most applications and most layer-2 network devices will continue to function. IPv6 includes several technical improvements over IPv4. IPv6 uses optional extension headers, so only packets requiring special options will have those headers. As a result most IPv6 packets will have simpler headers than their IPv4 counterparts. IPv6 eliminates broadcast, and instead uses multicast for most neighbor discovery functions. This is more efficient CPU-wise because hosts only need to

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IPv6 theory is an episode from Cisco Hands On Training Podcast by Darrell Root.

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This episode was published on Sep 20, 2009.

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