2.2.2 Supporting Materials

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0	1. Introduction
1	2. Software Development Activity
2	3. Software Assurance Activity

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1. Introduction

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Typically starts with a quote from the NPR that helps define the activity. Additional descriptive material is meant to help define the activity but not be so detailed that it pulls in all of the guidance from the SWEs in the activity.

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title	NPR 7150.2B para 4.3.1

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	2D-Para 4.3.1
	2D-Para 4.3.1

Software peer reviews and inspections are the in-process technical examination of work products by peers to find and eliminate defects early in the life cycle. Software peer reviews and inspections are performed following defined procedures covering the preparation for the review, the review itself is conducted, results are recorded, results are reported, and completion criteria is certified. When planning the composition of a software peer review or inspection team, consider including software testing, system testing, software assurance, software safety, software cybersecurity, and software IV&V personnel.

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title	Inputs, Outputs, and Predecessor Activities

Activity graphical representation of Inputs, Outputs, Predecessor and Successor Activities as appropriate. Not meant to be exhaustive, but representative of a typical project.

1.1 Inputs

Note
List of some of the inputs from other activities that are necessary for the activity to begin.

Examples:

SRS - Software Requirements Specification - Requirements - These influence the design of the software
SwDD - Software Design Description- Contains Architecture description - This influences the design of the software

1.2 Predecessor Activities

Note
List of some of the other activities that must be started (not necessarily completed) so that this activity may begin.

Examples:

Predecessor Activities are performed before Design. These activities produce the work products that will be reviewed.

Life Cycle Planning - Design activities are included in the plan and schedules
Software Requirements - These influence the design of the software
Software Architecture - These influence the design of the software

1.3 Outputs

Note
List of some of the outputs or work products of the activity. These are typically used as inputs by the downstream activity. In some cases there is a supporting SWE associated with the work product.

Output Work Product	Used by Downstream Activity
Software Design Document (SwDD - Software Design Description)	Implementation and Unit Testing Preliminary at Preliminary Design Review Baselined at Critical Design Review Updated at Test Readiness Review
Software Interface Design Description document (see IDD - Interface Design Description)	Implementation and Unit Testing Preliminary at Preliminary Design Review Baselined at Critical Design Review Updated at Test Readiness Review
Software User Manual (see SUM - Software User Manual)	Implementation and Unit Testing Baselined at Operational Readiness Review

1.4 Successor Activities

Note
Links to Activities which might be started or supported by this activity.

Implementation and Unit Testing - Implements the Design into one or more code modules.
Preliminary Design Review
Critical Design Review
Test Readiness Review
Operational Readiness Review

1.5 Activity Repetition

Note

Describe what conditions determine if the activity needs to be repeated, such as re-planning after a change in requirements or schedule constraints.

How much of the activity needs to be repeated
Frequency of repetition

Design is always done once. It should be peer reviewed and analyzed by Software Assurance.
Design may be reviewed and re-analyzed as often as there are significant changes in architecture or requirements. For example:
- Technology changes to the architecture requires changes to the design
- Customer changes to requirements require changes to the design

1.6 Center Resources From SPAN

Note
Add links to SPAN activity pages that are appropriate for this activity. Use links from the Activity section of the front page. SPAN All of the links to SPAN activities are provided. Delete the ones that do not apply

Several Centers Process Asset Libraries have materials related to this activity. Related Processes, templates, and other resources may be found in the following Activities in SPAN (available to NASA only).

Activity	Description
Design	Assets for use during product design

6.4 - Checklist for Choosing Off-The Shelf Software (OTS)

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2. Software Development Activity

Note
This tab contains the links to pages in the SWEHB that are at the heart of the activity.

2.1 SWEs

Note
This section contains the links to SWE pages that form the heart of the activity. For each SWE, the related tasks from tab 4 are listed.

SWE-058 - Detailed Design with new tab 4

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title	SWE-058 Tasking and Work Product Details

SWE-058 - Detailed Design with new tab 4

Requirement

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	SWE-058-EWP
	SWE-058-EWP

2.2 Topics and other Supporting Materials

Note
This section is for SWEHB pages, other than SWEs, that directly support the activity. This section contains Topics, PATs, and other relevant pages.

2.2.1 Topics

6.3 - Checklist for Choosing a Real Time Operating System (RTOS)

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SWEHBVD:Software Design Principles

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2.3 Other Associated SWEs, Topics, etc.

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Includes other SWEHB pages that are indirectly associated with the activity. May include SWEs, Topics, document definition pages, PATs, etc. They may have been mentioned in the guidance of another page. This section may be removed if there is no content for it.

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3. Software Assurance Activity

Software Assurance is integral to the performance of all Software Development activities. It includes Process Monitoring as well as Process Analysis.

Process Monitoring - addresses the question, "Is the development team following their processes and producing the expected work products?"
Process Analysis - addresses the question, "Are there better ways of performing the processes that would result in the early discovery of defects?"

3.1 Software Assurance Tasks from SWEs

Software Assurance Tasks are included in tab 7 of the SWEs in this activity.

3.1.1 - Copy of SWE-058 - Detailed Design with new tab 4

Tasking From NASA-STD-8739.8B

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Software Assurance Products

Software Design Analysis
Results of software assurance design analysis, including assessments in Tasks 1, 2, and 3.
List of any identified design risks and issues.

Metrics
1. # of architectural issues identified vs. number closed.
2. # of design issues found versus the number of design issues resolved.
3. # of safety-related requirement issues (Open, Closed) over time.
4. # of safety-related non-conformances identified by life cycle phase over time.
5. # of software work product Non-Conformances identified by life cycle phase over time

3.2 Topics and Other Supporting Materials

3.2.1 Topics

Topic 8.16 - Software Design Analysis
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  - SA Tasks for SWEs
    - SWE-034 - Acceptance Criteria
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    - SWE-134 - Safety-Critical Software Design Requirements
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    - SWE-057 - Software Architecture
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    - SWE-143 - Software Architecture Review
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        SWE-143 - SA Task1
    - SWE-080 - Track and Evaluate Changes
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        SWE-080 - SA Task1
        SWE-080 - SA Task1
    - SWE-081 - Identify Software CM Items
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        SWE-081 - SA Task2
    - SWE-203 - Mandatory Assessments for Non-Conformances
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        SWE-203 - SA Task2

3.2.2 Process Asset Templates

PAT-021 - SADESIGN Checklist
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PAT-023 - Preparing for a SARB Checklist
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PAT-031 - Critical Design Analysis Checklist
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PAT-008 - Safety Considerations for Design Peer Reviews Checklist
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PAT-020 - Examples of Interface Problems
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3.3 Other Associated SWEs, Topics, etc.

Note
Includes other SWEHB pages that are indirectly associated with the activity. May include SWEs, Topics, document definition pages, PATs, etc. They may have been mentioned in the guidance of another page. This section may be removed if there is no content for it.

Content

Space Tools

Versions Compared

Old Version 34

New Version 35

Key

2.2.2 Supporting Materials

1. Introduction

1.1 Inputs

1.2 Predecessor Activities

1.3 Outputs

1.4 Successor Activities

1.5 Activity Repetition

1.6 Center Resources From SPAN

2. Software Development Activity

2.1 SWEs

SWE-058 - Detailed Design with new tab 4

SWE-058 - Detailed Design with new tab 4

Requirement

2.2 Topics and other Supporting Materials

2.2.1 Topics

excerpt-

Include Page

2.3 Other Associated SWEs, Topics, etc.

3. Software Assurance Activity

3.1 Software Assurance Tasks from SWEs

3.1.1 - Copy of SWE-058 - Detailed Design with new tab 4

3.2 Topics and Other Supporting Materials

3.2.1 Topics

3.2.2 Process Asset Templates

3.3 Other Associated SWEs, Topics, etc.

Content

Space Tools

Page History

Versions Compared

Old Version 34

New Version 35

Key

1. Introduction

1.1 Inputs

1.2 Predecessor Activities

1.3 Outputs

1.4 Successor Activities

1.5 Activity Repetition

1.6 Center Resources From SPAN

2. Software Development Activity

2.1 SWEs

SWE-058 - Detailed Design with new tab 4

SWE-058 - Detailed Design with new tab 4

Requirement

2.2 Topics and other Supporting Materials

2.2.1 Topics

excerpt-

Include Page

2.2.2 Supporting Materials

2.3 Other Associated SWEs, Topics, etc.

3. Software Assurance Activity

3.1 Software Assurance Tasks from SWEs

3.1.1 - Copy of SWE-058 - Detailed Design with new tab 4

3.2 Topics and Other Supporting Materials

3.2.1 Topics

3.2.2 Process Asset Templates

3.3 Other Associated SWEs, Topics, etc.