The Software Life-Cycle Models

(1) ISO 9000 is not just a software standard. It can also be used to certify an organization. It emphasizes documentation.

(2) ISO 9000 emphasizes documenting the process in both words and pictures to ensure consistency and comprehensibility.

(3) Like Software Maturity Model, ISO 9000 also emphasizes measurement.

(4) The latest is ISO 9004. You can learn more about ISO 9000 from Wikipedia. Some of the requirements in ISO 9001:2008 (which is one of the standards in the ISO 9000 family) include:

a set of procedures that cover all key processes in the business;

monitoring processes to ensure they are effective;

keeping adequate records;

checking output for defects, with appropriate and corrective action where necessary;

regularly reviewing individual processes and the quality system itself for effectiveness; and

facilitating continual improvement .