Preparing the network
Before we dive into the SDN network, we should take a moment to prepare our network. For example, as we have seen with the various examples in the book, network automation works because it offloads redundant, boring tasks with computer programs (Python in our case). A computer can complete the tasks fast and without mistakes, and is superior to its human counterpart. What a computer program does not do well, amongst other things, is analytics and interpretation of situation. Automation is most effective when our network is standardized with similar functions. The same goes for SDN migration. If we have many parts of the network that are dissimilar that requires constant thinking when making modifications, simply placing ...
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