Chapter 4. Planning
When in trouble or in doubt Run in circles, scream and shout.
Anonymous
At this stage, we've already looked at a good deal of the theory behind IPv6. It's now a good time to start thinking about the issues around deploying IPv6 in a wider environment, such as your company, college, or ISP network. In this chapter, we provide recommendations for what to think about and what to do when planning an IPv6 deployment; how to introduce IPv6 to your network, how to interoperate with IPv4, and planning for the growth of IPv6, all with an eye to maintaining stability and manageability on your network. We provide worked examples of IPv6 deployment for networks which are hopefully quite similar to yours, and also highlight under exactly what circumstances our recommendations are applicable. By the end of this chapter you should hopefully have a toolbox of techniques for implementing IPv6, and also the right mental framework for using that toolbox.
Since we will be talking in some detail about the planning process, it's incumbent upon us to outline the important building-blocks and techniques of IPv6 network design before we talk about how we actually put them together. So, ahead of outlining step-by-step plans, we need to tell you about getting connectivity, getting address space, and the intricacies of selecting transition mechanisms, amongst other things. With those under your belt, you'll be in a position to get the most out of the worked examples.
Note that a significant ...
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