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Key: SYSML2-481
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Status: open
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Source: itemis AG ( Dr. David Akehurst)
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Summary:
The use of the term feature in the document is inconsistent with the ISO standard definition
Feature - ISO/IEC/IEEE 29148:2018
A feature is an externally desired service by the system that may require a sequence of inputs to effect the desired result.- For example, in a telephone system, features include
- local call,
- call forwarding and
- conference call.
- Each feature is generally described in a sequence of stimulus response pairs.
I.e. a feature of a system is about externally visible system behaviour
Feature is a generic term and has many different meanings in different fields/contexts.
However in System Engineering, the word is usually used as defined by the ISO standard (above).The use of the term 'feature' in the SysML 2 document is definitely NOT consistent with the ISO definition.
Suggestion for a better term in the SysML 2 would be something like Member, Attribute, Aspect, Detail. - For example, in a telephone system, features include
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Reported: SysML 2.0b1 — Wed, 18 Oct 2023 07:26 GMT
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Updated: Mon, 8 Apr 2024 18:21 GMT
SYSML2 — Use of the term 'Feature'
- Key: SYSML2-481
- OMG Task Force: Systems Modeling Language (SysML) 2.0 FTF