Chapter 9
Iterative Replacement
Once an organization has decided that it wants to build software Serverlessly and has enlisted a cultural commitment to making that change, it can move forward. However, if an organization chooses the wrong tactics to implement Serverless architectures, it will be doomed to fail. The information in this chapter comes from experts who have seen many failed and successful rewrites of software. This chapter explains how the traditional knife-edge cutover rewrite is almost never successful, describes an iterative replacement strategy, and discusses why organizations should follow that alternative strategy to maximize their chance of success. The references at the end of this chapter provide further key reading for ...
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