Chapter 3. Common IPv6 Coexistence Mechanisms
This chapter covers the following objectives:
• Native IPv6: This section is for the greenfield deployment and covers the native IPv6 deployment.
• Transition mechanisms: This section covers dual-stack (IPv4/IPv6 coexistence), IPv6 over IPv4 tunnels, and IPv6 over MPLS.
• Protocol translation/proxy mechanisms: This section describes the translation mechanisms generally referred to by the layer at which they operate, for example, from the network layer to the application layer, and focuses on NAT-PT (Network Address Translation - Port Address Translation) and NAT64.
The current IPv4-based addressing scheme will not be enough to accommodate the growing addressing demands of the enterprise networks. ...
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