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SD 1.3: Definition of Criticality and Quality Requirements  

  SE1.3 - Kritikalität und Anforderungen an die Qualität def.

Contents  
  • Product Flow
  • Handling
  • Roles
  • Methods
    		•  
  • Tools Requirements
  • External Norms
  • Pre-Tailoring forms
  • Links to the V-Model Mailinglist

    • Product Flow

    From Product to Methods Tool Req. Ext. Norms
    Activity State Chapter Title Activity State
    External - All External Specifications (customer) - -     /ISO IEC 12207/
    Acquis. Proc. -
    Initiation
    SD1.1
    SD1.2    		 being proc. Existing User Requirements - -    
    - - 6.4 User Requirements.
    Criticality of the System    		 SD1.4
    SD1.5
    SD1.6    		 being proc. FMEA SSD01
    - - 6.7 User Requirements.
    Quality Requirements    		 RELM SSD01

    + "Chapter" are extra columns from the original printed version of GD 250

    Handling

    The criticality of the System is defined and justified.

    Requirements with regard to quality characteristics from a user-level point of view have to be defined.

    The basis is /DIN ISO IEC 9126/.
    The external specifications as defined when the order was placed are the starting point of the activity.

    ---------- The following part is an extension of the original printed version of GD 250 -----------

    Roles

    Role Participation
    System Analyst responsible
    User cooperating

    Methods

    Product Methods Allocation Use
    Chapter 6.4
    User Requirements.
    Criticality of the System    		 FMEA - Failure Mode Effect Analysis (2) Generate
    Chapter 6.7
    User Requirements.
    Quality Requirements    		 RELM - Reliability Models (1) Generate

    Notes:
     (1) Method RELM is to be applied in case of high demands to realiability.
    (2) Method FMEA is to be applied in case where reliability requirements are high.

    Tools Requirements

    Product Functional Tools Requirements
    Chapter 6.4
    User Requirements.
    Criticality of the System    		 SSD01 - Recording Requirements
    Chapter 6.7
    User Requirements.
    Quality Requirements    		 SSD01 - Recording Requirements

    External Norms

    Norm Process Chapter Obs.
    /ISO IEC 12207/ Acquisition Process Initiation (s. Part 3 - ISO 3.2.1)

    Pre-Tailoring forms

    Pre-tailoring Forms SD Products Implementing
    Conditions
    Small Administrative IT Projects SD1.3 x User Requirements                                   SD1.3 x Criticality Higher       SD1.3 x Higher Maintenance Requirements
    Medium Administrative IT Projects SD1.3 x User Requirements                                   SD1.3 x Criticality Higher       SD1.3 x Higher Maintenance Requirements
    Large Administrative IT Projects SD1.3 x User Requirements                                   SD1.3 x Criticality Higher       SD1.3 x Higher Maintenance Requirements
    Small/Medium Technical-Scientific IT Projects SD1.3 x User Requirements                                   SD1.3 x Criticality Higher       SD1.3 x Higher Maintenance Requirements
    Large Technical-Scientific IT Projects SD1.3 x User Requirements                                   SD1.3 x Criticality Higher       SD1.3 x Higher Maintenance Requirements
    Selection, Procurement and Adjustment of Off-the-Shelf Products SD1.3 x User Requirements                                   SD1.3 x Criticality Higher       SD1.3 x Higher Maintenance Requirements

    Matrix Entries:

    Always required
    Always required under given circunstances
    Not required
    Description of data or database only

    Links to the V-Model Mailinglist

    Mail 0484 - ISO 9126 = DIN 66272, s. Stahlknecht,P?
    Mail 0256 - Re: Midestanforderungen (256)
    Mail 0229 - Ein paar Fragen zum V-Modell (229)

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