Process Requirements

Architectural Structuring

Hierarchical structure of architectural elements		status: valid
status: valid tags: architecture_design complies: std_req__iso26262__support_7, std_req__iso26262__support_8 satisfies: wf__cr_mt_featarch
Architectural elements shall be hierarchically structured on two levels: Feature Component Additionally there shall be a view for the Top Level SW component container.
gd_req__arch__hierarchical_structure		Process Requirements

Architecture Views		status: valid
status: valid tags: architecture_design complies: std_req__iso26262__support_8, std_req__iso26262__software_12 satisfies: wf__cr_mt_featarch
The architecture shall be shown with following views on each architectural level: static view dynamic view interface view
gd_req__arch__viewpoints		Process Requirements

Architecture Modeling		status: valid
status: valid tags: architecture_design complies: std_req__iso26262__support_7, std_req__iso26262__support_8 satisfies: wf__cr_mt_featarch
For architecture design a model based approach should be used.
gd_req__arch__model		Process Requirements

Structuring of the architectural building blocks		status: valid
status: valid tags: architecture_design complies: std_req__iso26262__support_7, std_req__iso26262__support_8 satisfies: wf__cr_mt_featarch
For modeling the viewpoints following elements shall be used: Feature Component Logical Interfaces Interfaces Interface Operation
gd_req__arch__build_blocks		Process Requirements

Correlations of the architectural building blocks		status: valid
status: valid tags: architecture_design complies: std_req__iso26262__support_7, std_req__iso26262__support_8 satisfies: wf__cr_mt_featarch
For modeling the viewpoints following relations shall be used:
gd_req__arch__build_blocks_corr		Process Requirements

Building Blocks Dynamic Architecture		status: valid
status: valid tags: architecture_design satisfies: wf__cr_mt_featarch
It shall be possible to provide the required architectural building blocks inside the dynamic architecture.
gd_req__arch__build_blocks_dynamic		Process Requirements

Attributes of Architectural Elements

Architecture attribute: UID		status: valid
status: valid tags: attribute, mandatory, architecture_design complies: std_req__iso26262__support_6, std_req__iso26262__support_8
Each architectural element shall have a unique ID. It shall be in a format which is also human readable and consists of type of architectural element last part of the feature tree keyword describing the content of the requirement. The naming convention is defined here: Naming Convention for UIDs
gd_req__arch__attribute_uid		Process Requirements

Architecture attribute: security		status: valid
status: valid tags: attribute, mandatory, architecture_design
Each requirement shall have a security relevance identifier: Yes No
gd_req__arch_attr_security		Process Requirements

Architecture attribute: safety		status: valid
status: valid tags: attribute, mandatory, architecture_design complies: std_req__iso26262__support_2, std_req__iso26262__support_6
Each requirement shall have a automotive safety integrity level (ASIL) identifier: QM ASIL_B ASIL_D
gd_req__arch__attr_safety		Process Requirements

Architecture attribute: status		status: valid
status: valid tags: attribute, mandatory, architecture_design complies: std_req__iso26262__support_6
Each requirement shall have a status: valid invalid
gd_req__arch__attr_status		Process Requirements

Architecture attribute: fulfils		status: valid
status: valid tags: attribute, mandatory, architecture_design complies: std_req__iso26262__support_6
Each architectural element shall have a link to a requirement.
gd_req__arch__attr_fulfils		Process Requirements

Traceability to Requirements

Architecture traceability		status: valid
status: valid tags: architecture_design complies: std_req__iso26262__support_8 satisfies: wf__cr_mt_featarch
Requirements shall be fulfilled by the architecture at the corresponding level. Examples: feat_req <-> feat_arch_(sta|dyn|int) comp_req <-> comp_arch_(sta|dyn|int) Note In general the traceability is visualized in Fig. 21
gd_req__arch__traceability		Process Requirements

Checks for Architectural Design

Architecture mandatory attributes		status: valid
status: valid tags: attribute, check, architecture_design
It shall be checked if all mandatory attributes for each architectural element is provided by the user. For all elements following attributes shall be mandatory: Overview mandatory requirement attributes Title Architecture attribute: fulfils Architecture attribute: safety Architecture attribute: status Architecture attribute: UID Architecture attribute: security
gd_req__arch__attr_mandatory		Process Requirements

Architecture linkage safety		status: valid
status: valid tags: attribute, check, architecture_design
It shall be checked that every valid safety architectural element is linked against its top level element as defined in Correlations of the archite... (gd_req__arch__build_blocks_corr).
gd_req__arch__linkage_safety		Process Requirements

Architecture linkage requirement		status: valid
status: valid tags: attribute, check, architecture_design
It shall be checked that each architectural element (safety!=QM) is linked against a safety requirement (safety!=QM).
gd_req__arch__linkage_requirement		Process Requirements

Architecture linkage requirement type		status: valid
status: valid tags: attribute, check, architecture_design
It shall be checked that requirements can only be linked to architectural elements according to the defined traceability: Functional feature requirements <-> static / dynamic feature architecture Interface feature requirements <-> interface feature architecture Functional component requirements <-> static / dynamic component architecture Interface component requirements <-> interface component architecture
gd_req__arch__linkage_requirement_type		Process Requirements

Architecture linkage safety		status: valid
status: valid tags: attribute, check, architecture_design
It shall be checked that safety architectural elements (Safety != QM) can only be linked against safety architectural elements.
gd_req__arch__linkage_safety_trace		Process Requirements

Architecture linkage security		status: valid
status: valid tags: attribute, check, architecture_design
It shall be checked that security relevant architectural elements (Security == YES) can only be linked against security relevant architectural elements.
gd_req__arch__linkage_security_trace		Process Requirements

Architecture check consistency modules		status: valid
status: valid tags: model, check, architecture_design
It shall be checked if all mentioned SW components are available in the modules repository.
gd_req__arch__consistency_model		Process Requirements

Architecture check consistency interfaces		status: valid
status: valid tags: model, check, architecture_design
It shall be checked if all mentioned component interfaces are available in the modules repository.
gd_req__arch__consistency_interf		Process Requirements

Architecture check consistency dynamic architecture		status: valid
status: valid tags: model, check, architecture_design
It shall be checked if all SW components which are mentioned in the dynamic architecture are defined in the static architecture.
gd_req__arch__consistency_dynamic		Process Requirements