Architecture Quality Measurement

05 Oct 2020

Performance, Scalability, Availability, Reliability, Usability, Maintainability, Reusability, Security, Manageability, Cost, Extensibility, …

Performance

Indication of the responsiveness of a system to execute any action within a given time interval

Scalability

The ability of a system either to handle increases in load without impact on performance or for the available resources to be readily increased

Availability

The ability to not “500 Service not Available”
the percentage of time that the infrastructure, system or a solution remains operational under normal circumstances in order to serve its intended purpose.
Percentage of availability = (total elapsed time — sum of downtime)/total elapsed time

Reliability

In performance: the probability that the system will meet certain performance standards in yielding correct output for a desired time duration.
how well the service will be available in context of different real-world conditions

In data: after data updated, updated data should be returned.

Usability

How effectively end users can use, learn, or control the system.

Maintainability (or Flexibility / Testability)

The ability of the system to support changes

Reusability

A chance of using a component or system in other components/systems with small or no change.

Security

The ability of the system to reduce the likelihood of malicious or accidental actions as well as the possibility of theft or loss of information.

Manageability

The ability to manage the system to ensure the continued health of a system with respect to scalability, reliability, availability, performance, and security.