The software quality standards defined in ISO 25010 comprise eight quality characteristics: Functional suitability, Reliability, Performance efficiency, Usability, Security, Compatibility, Maintainability, and Portability. ISO 9126 provides 6 characteristics and 27 sub-characteristics, while ISO 25010 provides 8 characteristics and 31 sub-characteristics. ISO 25010 is an eight software quality standards Functional suitability This characteristic represents the degree to which a product or machine gives abilities that meet stated and implied desires even as used underneath neath certain situations. This characteristic includes the following sub-developments. Observing from the SOA perspective, offerings need to cowl all of the special obligations and personal targets for which they had been designed. The first pastime in the course of the improvement of SOA packages consists of defining necessities to expand offerings. This section is normally referred to as service-orientated analysis. The service-orientated analysis is a manner of figuring out necessities, the scope of service, and which offerings may be developed. These vital definitions are included right into a record referred to as a practical record, that’s used for software program validation.