Summary
During the transition period, integration and coexistence mechanisms maintain complete backward compatibility with the IPv4 protocol and IPv4-only networks. This chapter examined three classes of integration and coexistence strategies—dual stack, tunneling, and protocol translation.
Dual stack allows nodes on the network to handle simultaneously an IPv4 stack and an IPv6 stack. In this context, the naming service (Domain Name System) provides information to dual-stack nodes to force the selection of a stack.
You learned how tunnels carry IPv6 packets over existing IPv4 networks. You explored the main tunneling techniques available for the deployment and establishment of tunnels over IPv4. The following are the key protocols and techniques ...
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