5 software architecture patterns: How to make the right choice

▤ Summary

Event-driven architecture helps simplify creating software for this job by building a central unit that accepts all data and then delegates it to the separate modules that handle a particular type. Most of the work is done by the browser displaying the web page, and the programmer has only to create small blocks of code that react to events such as mouse clicks or keystrokes. These can be tested independently and then the different business units can then write plugins for the different types of claims by knitting together the rules with calls to the basic functions in the kernel. Microkernel is best for: • None Tools used by a wide variety of people • None Applications with a clear division between basic routines and higher-order rules • None Applications with a fixed set of core routines and a dynamic set of rules that must be updated frequently Software starts out like a kitten: It is cute and fun when its little, but once it gets big, it is difficult to steer and resistant to change. The sidebars and menus filled with ratings for the films youve watched, the recommendations, the whats-up-next list, and the accounting details are tracked by separate services and served up independently.

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