9.2. Interoperating IPv6 with IPv4

So, now you know how IPv6 works and how to configure it to work on your networks. But what is the cost of doing this and how much work is really going to take?

Those are good questions. In terms of cost, it depends on the infrastructure that you currently have. If you have to upgrade all of your routers and switches so that they are IPv6 compliant, that could be a good chunk of change. And that doesn't even touch on server and computer operating systems (OS) costs or the cost of the work that will have to done to make applications compliant. But never fear. Many OSs and network devices have been IPv6 compliant for a few years now. You just haven't been using the features until now. The other question though, ...

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