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BSI PD CEN/CLC/TR 17602-80-11:2021

$215.11

Space product assurance. Software process assessment and improvement – Framework

Published By Publication Date Number of Pages
BSI 2021 126
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This handbook defines methods for process assessment and improvement that may be used to meet the requirements on process assessment and improvement of the ECSS-Q-ST-80C subclause 5.7. These methods constitute a clear and proven way of implementing those requirements. Alternative methods can be used provided that they meet the detailed instructions provided in this handbook for recognition of software process assessment schemes and results and process improvement.

This handbook provides a detailed method for the implementation of the requirements of the ECSS-QST- 80C for software process assessment and improvement. It also establishes detailed instructions for alternative methods intended to meet the same ECSS-Q-ST-80C requirements.

The process assessment and improvement scheme presented in this handbook is based on and conformant to the ISO/IEC 15504 International Standard. In designing this process assessment and improvement scheme the ISO/IEC 15504 exemplar process assessment model was adopted and extended to address ECSS specific requirements.

The methods provided in this handbook can support organizations in meeting their business goals and in this context they can be tailored to suit their specific needs and requirements. However when used to claim compliance with relevant requirements in ECSS-Q-ST-80C only the steps and activities explicitly marked as recommended in this handbook may be omitted or modified.

PDF Catalog

PDF Pages PDF Title
2 undefined
13 1 Scope
14 2 References
16 3 Terms, definitions and abbreviated terms
3.1 Terms from other documents
3.2 Terms specific to the present document
22 3.3 Abbreviated terms
24 4 Organisation and purpose
4.1 Organization of this handbook
4.2 Relation to Standards
4.2.1 Relation versus the ECSS family
4.2.1.1 Relation to software engineering
4.2.1.2 Relation to software product assurance
25 4.2.1.3 Relation to project management
26 4.2.2 Relation versus ISO/IEC
27 4.3 S4S process assessment and improvement overview
4.3.1 S4S architecture
28 4.3.2 S4S assessment purposes
4.4 Use of other schemes and standards
29 5 S4S process assessment model
5.1 Introduction
30 5.2 S4S process dimension
34 5.3 The capability dimension
5.3.1 General
5.3.1.1 Capability level
36 5.3.1.2 Process attributes and rating scale
38 5.3.2 Level 0: Incomplete process
5.3.3 Level 1: Performed process
5.3.3.1 PA 1.1 Process performance attribute
5.3.4 Level 2: Managed process
5.3.4.1 PA 2.1 Performance management attribute
39 5.3.4.2 PA 2.2 Work product management attribute
5.3.5 Level 3: Established process
5.3.5.1 PA 3.1 Process definition attribute
5.3.5.2 PA 3.2 Process deployment attribute
40 5.3.6 Level 4: Predictable process
5.3.6.1 PA 4.1 Process measurement attribute
5.3.6.2 PA 4.2 Process control attribute
41 5.3.7 Level 5: Optimizing process
5.3.7.1 PA 5.1 Process innovation attribute
5.3.7.2 PA 5.2 Process optimization attribute
42 6 Process assessment method
6.1 Introduction
43 6.2 Assessment process definition
6.2.1 Introduction
45 6.2.2 Assessment process
6.2.2.1 Assessment initiation
49 6.2.2.2 Assessment planning
52 6.2.2.3 Briefing (recommended activities)
6.2.2.4 Data acquisition
54 6.2.2.5 Data validation
55 6.2.2.6 Process rating
56 6.2.2.7 Assessment reporting and recording
59 6.2.2.8 Inputs to the risk management process (recommended activity)
62 6.2.3 Assessment actors and roles
6.2.3.1 Introduction
6.2.3.2 Assessment sponsor (AS)
63 6.2.3.3 Local assessment coordinator (LAC)
6.2.3.4 Assessment team leader (ATL)
64 6.2.3.5 Other assessors in the Assessment Team (AT)
6.2.3.6 Technical specialists (AT)
6.2.3.7 Observers
6.2.3.8 Assessment participants (AP)
65 6.2.3.9 Organizational unit (OU)
6.3 Assessment process guidance
6.3.1 Introduction
6.3.2 Selection of assessment purpose
66 6.3.3 Assessment guidance for capability determination
6.3.3.1 Introduction
6.3.3.2 Assessment purpose (INI 3)
6.3.3.3 Selecting the assessment team (INI 7)
6.3.3.4 Assessment scope (INI 10)
69 6.3.3.5 Data and data validation criteria (INI 11)
6.3.3.6 Defining ownership and responsibilities for assessment outputs (INI 11)
6.3.3.7 Mapping the OU to the S4S model (INI 12)
6.3.3.8 Selecting participants (INI 13)
70 6.3.3.9 Assessment schedule (PLN 1)
6.3.3.10 Assessment data collection (PLN 3)
71 6.3.3.11 Verify conformance to requirements (PLN 5)
6.3.3.12 Briefing (BRF 1 and BRF 2)
6.3.3.13 Data collection (DAT 1)
6.3.3.14 Rating of process attributes (PRT 2)
72 6.3.3.15 Process profiles (PRT 3)
6.3.3.16 Assessment instruments
73 6.3.3.17 Act on results
6.3.4 Assessment for process improvement
6.3.4.1 Introduction
6.3.4.2 Assessment scope (INI 10)
6.3.4.3 Data acquisition (DAT 1 and DAT 2)
6.3.4.4 Process rating (PRT 1)
74 6.3.5 Assessment for ECSS conformance
6.3.5.1 Introduction
6.3.5.2 Planning for mandatory base practices (PLN 2)
75 6.3.5.3 Data acquisition (DAT 1 and DAT 2)
6.3.5.4 Process rating (PRT 1)
6.3.5.5 Act on results
6.4 Competency of assessors
6.4.1 Introduction
76 6.4.2 Gaining competency
6.4.2.1 General
6.4.2.2 Key relationships
77 6.4.2.3 Levels of competency
6.4.3 Maintaining competency
6.4.4 Verification of competency
78 6.4.5 Assessor competence instructions
79 6.4.6 Assessor experience instructions
80 7 Process improvement
7.1 Introduction
81 7.2 Process improvement cycle
7.2.1 Introduction
82 7.2.2 Process improvement process
7.2.2.1 Examine the organization’s needs and business goals Role: (TM), IPM
83 7.2.2.2 Initiate process improvement
85 7.2.2.3 Prepare for and conduct a process assessment Role: (see subclause 6.2)
86 7.2.2.4 Analyse assessment output and derive action plan(s)
91 7.2.2.5 Implement improvements Role: (SPIG)
92 7.2.2.6 Confirm improvements Role: (IPM), IPL, SPIG, OU, AT
7.2.2.7 Sustain improvements Role: (TM), OU
93 7.2.2.8 Monitor performance Role: (IPM), OU
7.2.2.9 Management of the process improvement project Role: (IPM), IPL
7.2.3 Roles and responsibilities
7.2.3.1 Top management (TM)
94 7.2.3.2 Improvement programme manager (IPM)
7.2.3.3 Improvement project leader (IPL)
95 7.2.3.4 Software process improvement group (SPIG) members
7.2.3.5 Process owners (PO)
7.2.3.6 (Staff of the) Organizational unit (OU)
7.2.3.7 Assessment team (AT)
96 7.3 Special considerations for the success of process improvement
7.3.1 Ensuring the ongoing commitment of management
7.3.2 Values, attitudes and behaviour
97 7.3.3 Short term benefits
7.3.4 Collection of baseline data
7.3.5 Information policy
7.3.6 Select and use pilot projects
7.3.7 Incremental implementation
98 7.3.8 Training, mentoring, coaching
7.3.9 Communication and teamwork
99 7.3.10 Recognition
7.4 Software process improvement failure factors
7.4.1 Exclusive top-down or bottom-up improvement
7.4.2 Unsuitable pilot project
7.4.3 Confining to training
7.4.4 Confining to CASE tools
100 7.4.5 Confining to capability levels
7.4.6 Too many promises
7.4.7 Late impact
7.5 Recognition of process improvement
7.5.1 Introduction
101 7.5.2 The process improvement cycle
7.5.2.1 General
7.5.2.2 Initiate process improvement
7.5.2.3 Prepare for and conduct a process assessment
7.5.2.4 Analyse assessment output and derive action plan(s)
7.5.2.5 Implement improvements
102 7.5.2.6 Confirm improvements
7.5.2.7 Sustain improvements
7.5.2.8 Review improvement programme
7.5.2.9 Management of the process improvement project
103 8 Recognition of assessment schemes and results
8.1 Introduction
8.2 Recognition of assessment schemes
8.2.1 General
8.2.2 Recognition of the use of S4S
8.2.3 Recognition of other schemes
8.2.3.2 Process assessment model scope
104 8.2.3.3 Process assessment model indicators
8.2.3.4 Mapping process assessment models to process reference models
8.2.3.5 Recognition of assessment methods
107 8.3 Recognition of S4S results
BSI PD CEN/CLC/TR 17602-80-11:2021
$215.11