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ABSTRACT
Designing Data Intensive Applications - Chapter 1 -
Functional Requirements
- What it should do
- Allowing data to be stored / retrieved / searched / processed
Non Functional Requirements
Reliability
Making systems work even when faults occur, this keeps certain faults hidden from users when they occur
Faults:
- Hardware
- Software
- Humans
Scalability
Having strategies for keeping performance good even under load
- Means of measurement
- Load
- Response time
Maintainability
Making life better for engineers / operation teams
Good operability - having good visibility into system's health and being able to manage it effectively
Others
- Security
- Compliance
- Maintainability
References
- DDIA Chapter 1