====== 2.2.1.5 Quality ======
[[dido:public:ra:1.2_views:2_tech_views:1_core|return to Fundamental Views]]

The ISO/IEC 25010 standard provides consistent terminology for “specifying, measuring and evaluating system and software product quality”.((International Association of Risk and Compliance Professionals (IARCP), "Dodd Frank Act Text Section 1034," 2010. [[http://www.dodd-frank-act.us/Dodd_Frank_Act_Text_Section_1034.html]].)) 
The Consortium for Information & Software Quality (CISQ) ((International Standards Organization (ISO), "The ISO/IEC 25000 series of standards," [[http://iso25000.com/index.php/en/iso-25000-standards?limit=4&start=4]].
)) provides the following diagram, highlighting eight ISO defined software quality characteristics and their associated sub-characteristics.((Consortium for Information & Software Quality (CISQ) [[ http://it-cisq.org/]].)) These ISO defined characteristics must be applied to both DIDO software and coinage organizations (e.g., [[dido:public:ra:xapend:xapend.a_glossary:b:bitcoin|Bitcoin]], [[dido:public:ra:xapend:xapend.a_glossary:e:ethereum|Ethereum]], IOTA), especially Reliability, [[dido:public:ra:xapend:xapend.a_glossary:p:performance_efficiency_measure|Performance Efficiency]], [[dido:public:ra:xapend:xapend.a_glossary:a:applicationsecurity|Security]], and [[dido:public:ra:xapend:xapend.a_glossary:m:maintainability|Maintainability]], since these are candidates for automation.

<figure>
{{ dido:public:ra:1.2_views:1_stake:qualitycharacteristicmeasures.png?600 |}}
<caption>Quality Characteristics and Measures Specifications
</caption>
</figure>

===== Management =====
Management is part of SQuaRE and defines all common models, terms, and definitions referenced by all other standards from the SQuaRE series.
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_guide]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_plan]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:9000_sw]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:9000_qual]]
  
===== Modeling ===== 
Modeling is part of SQuaRE and provides detailed quality models for computer systems and software products, quality in use, and data.
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_sys_model]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_data_model]]

===== Measurement ===== 
Measurement is part of SQuaRE and includes a software product quality measurement reference model, mathematical definitions of quality measures, and practical guidance for their [[dido:public:ra:xapend:xapend.a_glossary:a:application|application]].
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_measure_model]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_measure_element_model]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_measure_in_use]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_measure_product]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_data_qual]]

===== Requirements ===== 
Requirements are part of SQuaRE and help specify quality requirements. These quality requirements can be used in the process of quality requirements elicitation for a software product to be developed, or as input for an evaluation process.
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_qual_rqrmts]]

===== Evaluation ===== 
Evaluation is part of SQuaRE and provides requirements, recommendations, and guidelines for software product evaluation.
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_eval_proc]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_eval_guide]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:iso:square_eval_recovery]]
  * [[dido:public:ra:xapend:xapend.b_stds:tech:omg:testif]]

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