In this chapter, you have learned about a different way of designing solution architecture with various design patterns. Often, the teams can drift away from best practices due to timeline pressure or the unavailability of resources. You always need to give special attention to the following architecture design anti-patterns:
- In an anti-pattern (an example of a poorly designed system), scaling is done reactively and manually. When application servers reach their full capacity with no more room, users are prevented from accessing the application. On user complaints, the admin finds out that the servers are at their full capacity and starts launching a new instance to take some of the load off. Unfortunately, there is always a few minutes' lag between the instance launch and its availability. During this period, users are not able to access the application.
- With anti-patterns, automation is missing. When application servers crash, the...