====== 4 Requirements ======

[[dido:public:ra|return to Reference Architecture]]

The term [[dido:public:ra:xapend:xapend.a_glossary:r:requirement|requirement]] first appeared in software engineering in the 1960s.((
Boehm, Barry (2006). __A view of 20th and 21st century software engineering__. ICSE '06 Proceedings of the 28th international conference on Software engineering. University of Southern California, University Park Campus, Los Angeles, CA: Association for Computing Machinery, ACM New York, NY, USA. pp. 12–29. ISBN 1-59593-375-1. Retrieved January 2, 2013.
[[http://dl.acm.org/citation.cfm?id=1134288]]
))

The Business Analysis Body of Knowledge® version 2 from IIBA (BABOK),((
__1.3 Key Concepts - IIBA | International Institute of Business Analysis"__. [[www.iiba.org]]. Retrieved 2016-09-25.
[[http://www.iiba.org/babok-guide/babok-guide-v2/babok-guide-online/chapter-one-introduction/1-3-key-concepts.aspx]]
)) defines a requirement as having one or more of the following characteristics:

  - //A condition or capability needed by a [[dido:public:ra:xapend:xapend.a_glossary:s:stakeholder|stakeholder]] to solve a problem or achieve an objective.//
  - //A condition or capability that must be met or possessed by a solution or solution component to satisfy a contract, standard, specification, or other formally imposed documents.//
  - //A documented representation of a condition or capability as in (1) or (2).(([[https://en.wikipedia.org/wiki/Requirement#cite_note-2 | Wikipedia Requirement]]
))//

This definition is based on IEEE Standardized vocabulary.((
__IEEE/ISO/IEC 24765-2010 - ISO/IEC/IEEE International Standard - Systems and software engineering -- Vocabulary __,
2010-02-02, published 15 December 2015,
IEEE,
[https://standards.ieee.org/standard/24765-2010.html]]
))

  * [[[[dido:public:ra:1.4_req:00_AboutReq]]
  * [[dido:public:ra:1.4_req:1_func]]
  * [[dido:public:ra:1.4_req:2_nonfunc]]
  * [[dido:public:ra:1.4_req:3_assessment]]


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