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Wednesday, 15 February 2017
Software Quality Standards
Software Quality Standards
Quality standards are a way to ensure that the product being developed is a well-engineered product.
ISO: International Organization for Standards
CMMI: Capability Maturity Model Integration
IEEE: Institute of Electrical and Electronics Engineers
ANSI: American National Standards Institute
ASQ: American Society for Quality
SEI: Software Engineering Institute
Why software Quality Standards are required?
To ensure the quality
To have the transparency
To have the discipline
To satisfy the customer
Key Selling Point (KSP)
Reducing the Rework
Quality Standards – ISO
ISO 9000 - General guidelines for procedures and processes
ISO 9001 - Covers Documentation, Design, Development, Production, Testing, Installation, Servicing and Marketing etc.
ISO 9002 - Except Design all other aspects
ISO 9003 - Only for Inspection and Testing
A companies’ quality system and operations are scrutinized by third-party auditors for compliance with the standard and for effective operation
Upon successful registration, a company is issued a certificate from a registration body represented by auditors
Semi-Annual surveillance audits ensure continued compliance with the standard
For a quality system to be ISO compliant, these processes must address the areas identified in the standard and must be documented and practiced as described
ISO 9001 is most comprehensive and this is the one most often used by software development organizations
As ISO 9001 standard is applicable to all engineering disciplines, a special set of ISO guidelines (ISO 9000-3) have been developed to help interpret the standard for use in the software process
Quality Standards – CMMI
Capability Maturity Model Integration
It is developed by the SEI. It is a model of 5 levels of organizational maturity that determine effectiveness in delivering quality software.
Organizations can receive CMM ratings by undergoing assessments by qualified auditors
There are 5 maturity levels, each level is composed of “Key Process Areas”
A Key Process Area (KPA) is a cluster of related activities that when performed together collectively achieve a set of goals important for establishing process capability at that maturity level
CMMI Level 1:
Initial, the software process is characterized as ad hoc. Few processes are defined, and success depends on individual effort
CMM Level 2:
Basic Project Management to track cost, schedule, and functionality
This level involves five KPAs
Software Configuration Management
Quality Assurance
Subcontract Management
Project Tracking
Project Planning & Requirements
Management
CMMI Level 3:
Standard software development and maintenance processes are integrated throughout an organization
Software engineering process group is in place to oversee software process and training programs are used to ensure compliance. KPAs are...
Inter group co-ordination
Software Project Engineering
Integrated Software Management
Peer to Peer Reviews of Reports
Organization Process Definition
Organization Process Focus
CMMI Level 4:
Detailed measures of the software process and product quality are measured. This level has 2 KPA’s
Software Quality Management
Quantitative Process Management
CMMI Level 5:
Enable quality process improvement by quantitative feedback from the process and from testing innovative ideas and technologies. 3 KPAs at this level are:
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