[SystemSafety] A Common Programming Language for the Department of Defense

[Matthew Squair]

At the highest level yes. 

A requirement states a need which is in the operational (capability) domain. 'But' between that and a requirement that a solution can be crafted for is a 'what vs how' hierarchy. That progressive refinement is of course where many problems arise.

Matthew Squair

MIEAust, CPEng
Mob: +61 488770655
Email; Mattsquair at gmail.com
Web: http://criticaluncertainties.com

> On 2 May 2017, at 8:24 pm, paul_e.bennett at topmail.co.uk wrote:
> 
>> On 02/05/2017 at 10:58 AM, "Michael Jackson" <maj at jacksonma.myzen.co.uk> wrote:
>> 
>> Paul: 
>> 
>> Are “Requirements” a description of the stakeholders’ needs, 
>> purposes and 
>> desires that the product should fulfil? Or the specification of a 
>> product that 
>> will fulfil them? Or are these two just the same thing?
>> 
> 
> Requirements are the statement of stake-holder needs. Within such a 
> document I would expect a clearly identified end goal and sufficient
> constraint and expectational expression that can be identified and
> tested.
> 
> It does no good for a requirements specification to say that the resultant
> product should use a fast processor. It should, instead, state what the
> expected maximum response times should be to user input, the latency
> in managing interrupts and other measurable speed criteria.
> 
> Out of the stakeholder Requirements, the Technical Specifications are
> produced which do focus on the more tangible assets to be provided.
> These also should meet the six C's criteria.
> 
> Regards
> 
> Paul E. Bennett IEng MIET
> Systems Engineer
> 
> -- 
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> Paul E. Bennett IEng MIET.....<email://Paul_E.Bennett@topmail.co.uk>
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