Viewpoint Concerns

Concerns are the information needs of Stakeholders. They should be justified by a rationale. Concerns are addressed by viewpoints.

Package	Concern	Stakeholder & Rationale	Viewpoint
argumentation	How is a evidence-based claim supported?		Argumentation Assurance Viewpoint
boundary & context	Which users does the system support?	User In my role, I need to check whether the system fits into the higher-level user concept. , System Architect In my role, I need to delegate the implementation of HMI in subsystems. , Operator In my role, I need to check whether the system fits into the higher-level user concept. , IV&V Engineer In my role, I need to cover these users with my test.	System Use Case Viewpoint
boundary & context	Why types of exchange can exist between Operational Performers (i.e., flows of information, people, material, or energy)?	Acquirer , Customer , System Architect , Security Expert , Software Developer , Regulation Authority	Operational Domain Item Kind Viewpoint
boundary & context	Which are the external physical entities the system interacts with in the given context?	System Architect , Acquirer , Customer , Safety Expert , Supplier , IV&V Engineer In my role, I need to integrate and test the interfaces.	Physical Context Definition Viewpoint , Physical Context Exchange Viewpoint
boundary & context	How is the system interacting with the identified external entities?		System Process Viewpoint , System Context Exchange Viewpoint
boundary & context	Which are the conceptual interfaces of the system?		System Process Viewpoint , System Context Exchange Viewpoint
boundary & context	How is the system being used or utilized and interacting with other external systems to satisfy user needs?	IV&V Engineer In my role, I need to take this into account when planning integration. , Acquirer In my role, I need to check whether the system complies with the higher-level operating concept. , System Architect In my role, I need to pass on the resulting System Requirements to the subsystems. , Customer In my role, I need to check whether intended solution satisfies my customer needs. , User In my role, I need to check whether intended solution satisfies my user needs. , Operator	System Use Case Viewpoint , System Context Interaction Viewpoint
boundary & context	Which are the given contexts the system is embedded and utilized in?	Acquirer , Customer , System Architect	System Context Definition Viewpoint , Physical Context Definition Viewpoint
boundary & context	Which operational exchanges do operational performers need to consume or provide?	Acquirer , Customer , Safety Expert , Security Expert , System Architect	Operational Context Exchange Viewpoint
boundary & context	Which are the external conceptual entities the system interacts with in the given context?		System Context Exchange Viewpoint , System Context Definition Viewpoint
boundary & context	Which is the operational context to achieve an operational story?	Acquirer , Customer , System Architect	Operational Context Definition Viewpoint
boundary & context	What is the operational environment that an intended solution will need to support?		Operational Context Definition Viewpoint
boundary & context	Where and what are the geographical and physical locations of the intended or proposed elements of the solution?	System Architect , Acquirer , Supplier	System Context Definition Viewpoint
boundary & context	Which interface partners does the system have?	IV&V Engineer In my role, I need to integrate and test the interfaces. , System Architect In my role, I need to orchestrate interface agreements between the system and external interface partners. , Safety Expert In my role, I need to assess if interfaces can impose safety hazards. , Security Expert In my role, I need to assess if external interfaces can impose security threats.	System Context Definition Viewpoint , Physical Context Definition Viewpoint
capability	What operational capabilities are defined?	Acquirer , Customer , Portfolio Manager , System Architect	Operational Capability Definition Viewpoint
capability	What are the capabilities that are supported by the system?	System Architect In my role, I need to identify suitable basic components on the grounds of the required system capabilities. , Supplier , Acquirer	System Capability Definition Viewpoint
capability	What operational capabilities are required for each phase and mode of operation?		Operational Capability Definition Viewpoint
exchange & interface	Which kind of conceptual items (energy, material, information, etc.) are used in the logical architecture of the system?	Acquirer In my role, I use them as basis for understanding interfaces on conceptual level. , Customer In my role, I use them as basis for understanding interfaces on conceptual level. , Safety Expert In my role, I use them as basis for understanding interfaces on conceptual level. , Security Expert In my role, I use them as basis for understanding interfaces on conceptual level. , System Architect In my role, I want to foster reuse of system wide concept definitions within the architecture design. , Hardware Developer In my role, I must derive interface design from them. , Software Developer In my role, I must derive interface design from them.	System Domain Item Kind Viewpoint
exchange & interface	Which kind of physical items (energy, material, information, etc.) are used on an interface of a physical architecture element?	Software Developer In my role, I need to implement the interfaces in my SW subsystem, if necessary. , System Architect In my role, I orchestrate interface agreements between architecture elements, and between the system and elements of the system context. , IV&V Engineer In my role, I need to test the interface. , Hardware Developer In my role, I need to implement the interfaces in my HW subsystem, if necessary. , Mechanic Developer In my role, I need to implement the interfaces in my mechanical subsystem, if necessary.	Physical Context Exchange Viewpoint , Physical Internal Exchange Viewpoint
exchange & interface	How do physical system elements interact to provide system functions?	Hardware Developer In my role, I need to implement the interfaces in my HW subsystem, if necessary. , System Architect In my role, I need to orchestrate interface agreements between the system internal interface partners. , Software Developer In my role, I need to implement the interfaces in my SW subsystem, if necessary. , IV&V Engineer In my role, I need to integrate and test the interfaces. , Security Expert In my role, I need to assess if internal interfaces conform to security separation concepts.	Physical Internal Exchange Viewpoint
exchange & interface	Which kind of physical items (energy, material, information, etc.) are exchanged between the system and external entities?	IV&V Engineer In my role, I need to integrate and test the interfaces. , System Architect In my role, I need to orchestrate interface agreements between the system and external interface partners.	Physical Context Exchange Viewpoint
exchange & interface	Which conceptual items (energy, material, information, etc.) are exchanged within the system?	Safety Expert In my role, I use them as basis for understanding interfaces on logical level. , Software Developer In my role, I need to understand the concepts of system internal interfaces in order to implement them. , System Architect In my role, I use them as basis for understanding interfaces on logical level. , Security Expert In my role, I use them as basis for understanding interfaces on logical level. , Hardware Developer In my role, I need to understand the concepts of system internal interfaces in order to implement them. , IV&V Engineer In my role, I need to integrate and test the interfaces.	Logical Internal Exchange Viewpoint
exchange & interface	Which standards, protocols, and format specifications apply to a physical interface?	System Architect In my role, I need to validate if they fit the purpose of the system and are complaint to the systems concepts. , Software Developer In my role, I need to implement the interface. , IV&V Engineer In my role, I need to test and integrate them. , Hardware Developer In my role, I need to implement the interface. , Security Expert In my role, I need to assess the security based on them.	System Interface Definition Viewpoint , Physical Context Exchange Viewpoint , Physical Internal Exchange Viewpoint
exchange & interface	Which are the protocols used for exchanging information?	Security Expert In my role, I need to assess the security based on protocol usage in general. , System Architect In my role, I need to validate if they fit the purpose of the system and conform the systems concepts	Physical Interface Definition Viewpoint
exchange & interface	Which kind of conceptual items (energy, material, information, etc.) are exchanged between the system and external entities?	Hardware Developer In my role, I need to understand the concepts of external interfaces to external partners in order to implement them. , System Architect In my role, I need to coordinate external interfaces with external partners. , Software Developer In my role, I need to understand the concepts of external interfaces to external partners in order to implement them. , Maintainer , Safety Expert , Security Expert , Customer , Acquirer , IV&V Engineer In my role, I need to integrate and test the interfaces.	System Context Exchange Viewpoint , System Interface Definition Viewpoint
exchange & interface	Which are the protocols for exchanging physical items on a specific interface?	Software Developer In my role, I need to implement the protocol. , Hardware Developer In my role, I need to implement the protocol. , IV&V Engineer In my role, I need to integrate and test the interface. , Security Expert In my role, I need to assess the security on the interface. , System Architect In my role, I need to asses if the usage of protocols on interfaces is compatible with the system lifecyle concepts.	Physical Context Exchange Viewpoint , Physical Internal Exchange Viewpoint
exchange & interface	Which kind of physical items (energy, material, information, etc.) are used in the physical architecture of the system?	System Architect In my role, I have to foster reuse of system wide concept definitions within the architecture design. , Security Expert In my role, I use them as basis for understanding interfaces on design level. , Safety Expert In my role, I use them as basis for understanding interfaces on design level. , Software Developer In my role, I must use these in interface design. , Hardware Developer In my role, I must use these in interface design.	Physical Interface Definition Viewpoint
exchange & interface	Which physical items (energy, material, information, etc.) are exchanged within the system?	Hardware Developer In my role, I need to support integrating and testing the interfaces. , IV&V Engineer In my role, I need to integrate and test the interfaces. , Safety Expert In my role, I use them as basis for understanding interfaces on physical level. , Security Expert In my role, I use them as basis for understanding interfaces on physical level. , Software Developer In my role, I need to support integrating and testing the interfaces. , System Architect In my role, I use them as basis for understanding interfaces on physical level.	Physical Internal Exchange Viewpoint
exchange & interface	what are the interface definitions for physical elements		Physical Interface Definition Viewpoint
exchange & interface	Which are the interface definitions for the logical architecture?	System Architect In my role, I need to orchestrate interface agreements between the system and external interface partners	System Interface Definition Viewpoint
exchange & interface	Which are the interface definitions for the physical architecture?	System Architect In my role, I need to orchestrate interface agreements between the system and external interface partners , Hardware Developer In my role, I need to implement the interface. , Mechanic Developer In my role, I need to implement the interface. , Software Developer In my role, I need to implement the interface.	Physical Interface Definition Viewpoint
functional	Which services will the system provide?
functional	Which functions will the system provide?	IV&V Engineer In my role, I need to understand the system in order to put it into operation. , Hardware Developer In my role, I need to provide qualified feedback on how my how the sub-functions assigned to my subsystem contributes to the function of the system. , Software Developer In my role, I need to provide qualified feedback on how my how the sub-functions assigned to my subsystem contributes to the function of the system. , Acquirer In my role, I need to check whether the overall system purpose is supported. , Safety Expert , Project Manager , System Architect In my role, I need to break these down further to be able to delegate sub-functions to subsystems. , Customer , Security Expert	System Process Viewpoint , System Functional Breakdown Structure Viewpoint
functional	What are necessary inputs for operating the system expected to be provided by other external entitys?	Security Expert , System Architect , User , Acquirer , Operator , Customer , Supplier	System Process Viewpoint
functional	Which operational activity shall be executed by which operational performer in the operational story?	Acquirer , Customer , System Architect	Operational Process Viewpoint
functional	What is the breakdown of functions into sub-functions?	System Architect	System Functional Breakdown Structure Viewpoint , System Functional Refinement Viewpoint
functional	How are the system functions decomposed into smaller, and more manageable sub-functions?		System Functional Breakdown Structure Viewpoint , System Functional Refinement Viewpoint
functional	What services are expected from external entities?	Supplier , Project Manager , System Architect , Customer , Acquirer	System Process Viewpoint
functional	Which functions are out of scope of the system?		System Process Viewpoint
functional	How does a system function interact with its environment?	IV&V Engineer In my role, I need to perform the integration of the system into its deployment environment. , Operator , Acquirer , Safety Expert , System Architect In my role, I need to delegate the implementation of interfaces in subsystems. , Customer , User	System Process Viewpoint
functional	What is the functional scope of the system?		System Process Viewpoint
functional	What are the interactions and dependencies between the different identified sub-functions?		System Functional Refinement Viewpoint
functional	Which modes and states does the system have?	Security Expert , IV&V Engineer In my role, I need to understand the system in order to put it into operation. , System Architect In my role, I need to understand the required system behavior in order to further design the system. , Maintainer , Hardware Developer In my role, I need to know which system modes and states my subsystem must support. , Software Developer In my role, I need to know which system modes and states my subsystem must support. , Safety Expert , Regulation Authority	System State Viewpoint
functional	What operational process activities shall be executed during the execution of an operational story?	Acquirer , Customer , System Architect	Operational Process Viewpoint
functional	Which system funcions need to be tested in IV&V activities?	IV&V Engineer	Physical Functional Mapping Viewpoint
interaction	How do the physical system elements interact to provide the system function?	Safety Expert , System Architect , Security Expert	Physical Internal Exchange Viewpoint
interaction	How do the logical system elements interact to provide the system functions?	Safety Expert In my role, I use them as basis for understanding interfaces on logical level. , Security Expert In my role, I use them as basis for understanding interfaces on logical level. , System Architect In my role, I need to coordinate internal interfaces with internal subsystem partners.	Logical Internal Interaction Viewpoint , Logical Internal Exchange Viewpoint
interaction	What is the sequence of interactions among the system and context elements on physical level?	IV&V Engineer In my role, I need to plan the test environment. , System Architect In my role, I need to assess if the systems interfaces are compatible with external systems. , Hardware Developer In my role, I need to implement the interfaces in the elements of the system context. , Software Developer In my role, I need to implement the interfaces in the elements of the system context. , Security Expert , Safety Expert
interaction	What are the items exchanged between logical system elements during an interaction?		Logical Internal Interaction Viewpoint , Logical Internal Exchange Viewpoint
interaction	What is the necessary response time for an interface or a service?	Security Expert , User , Operator , Safety Expert , Software Developer , Acquirer , IV&V Engineer , Hardware Developer , Customer , System Architect	System Context Interaction Viewpoint , Logical Internal Interaction Viewpoint
interaction	What possible threads of operational process activities have to be carried out to achieve the operational story main and alternative goals?	Acquirer , Customer , System Architect	Operational Context Interaction Viewpoint
interaction	What is the sequence of interactions among the system and context elements on concpetual level?		System Context Interaction Viewpoint
meta-framework	Which viewpoints are used in the system model	SAF System model user I need an overview about the model in order to orient myself.	Grid Definition Viewpoint
meta-framework	what are the relations between systems engineering concepts covered by the framework?	SAF Developer I need to make sure they can answer the information need described by concerns. I need to implement them in a profile , SAF MBSE approch planer I want to know if the information need that i anticipate for the MBSE approach will be satisfied by the framework.	Framework Concept Definition Viewpoint
meta-framework	what are the constraints related to se concepts covered by the framework?	SAF Developer I need to know them in order select an appropriate presentation, implementation, and to implement model checks. , SAF MBSE approch planer I want to validate the assumptions made in the framework against the anticipated information need of the MBSE appoach.	Framework Concept Definition Viewpoint
meta-framework	Which viewpoints are available in the framework	SAF Developer I need an overview over the viewpoints available to identify possible gaps. , SAF System model user I want to know which viewpoints can possibly satisfy my information needs.	Framework Viewpoint Overview Viewpoint
meta-framework	What is the maturity state of viewpoints in the framework?	SAF Developer I need an overview over the maturity of available to plan SAF development. , SAF MBSE approch planer I need to know which viewpoins are stable to assess the risk using them.	Framework Viewpoint Overview Viewpoint
meta-framework	Who are the architecture framework stakeholders of the frameworks viewpoints?	SAF Developer I need to explain to frameworks users who would typically have an interest in which viewpoint. , SAF MBSE approch planer I need to select viewpoints for my stakeholders and want to use this information as a starting point.	Framework Stakeholder and Concern Definition Viewpoint
meta-framework	What are the concerns adressed by the frameworks viewpoints?	SAF Developer I need to cover the information need of stakeholders to match the purpose of the viewpoint. , SAF MBSE approch planer I want to know if the information need of my stakeholders in the planned MBSE approach is adressed by the viewpoint.
meta-framework	Which systems engineering concepts are covered by the framework?	SAF Developer I need to cover important SE concepts in typical SE workflows along the processes of the INCOSE SE Handbook and SE best practices. , SAF MBSE approch planer I need know if the SE concepts to my stakeholders according to the planned SE work flow is covered by the framework.	Framework Concept Definition Viewpoint
meta-framework	Which concerns are does an architecture framework stakeholder have?	SAF Developer I need to analyze the concerns if they are justified by SE best practice. , SAF MBSE approch planer I need to analyze the concerns if they match the information needs my stakeholders will have in order to identify gaps in the MBSE approach.	Framework Stakeholder and Concern Definition Viewpoint
meta-framework	Which systems engineering concepts are exposed within a viewpoint of the framework?	SAF Developer I need to specify which SE concepts are exposed in order to fullfil the information need of stakeholders and the viewpoints purpose.	Framework Viewpoint Definition Viewpoint
meta-framework	Which concerns are framed by a viewpoint of the framework?	SAF Developer I need to design viewpoints that fullfill stakeholders information needs and cover the purpose of the viewpoints. , SAF MBSE approch planer I need to know if the information needs of my stakeholders are covered in order to plan the MBSE approach.	Framework Viewpoint Definition Viewpoint
meta-framework	What is the definition of a viewpoint of the framework?	SAF System model user I need a user documentation of the viewpoint i am going to use. , SAF Developer I need to create a comprehensive specification of the frameworks viewpoints. , SAF MBSE approch planer I need to understand the frameworks viewpoints in order to plan an appropriate MBSE approach.	Framework Viewpoint Definition Viewpoint
meta-framework	Where is a viewpoint of the framework located in the frameworks grid?	SAF System model user I need to be able to orient myself in the frameworks structure an know what is where. , SAF Developer I need to structure the framework into an understandable grid layout. , SAF MBSE approch planer I need to understand the frameworks structure in order to chose viewpoints to be used.	Framework Viewpoint Definition Viewpoint , Framework Viewpoint Overview Viewpoint
meta-framework	Which columns and rows does the frameworks grid have?	SAF System model user I need to be able to orient myself in the frameworks structure an know what is where. , SAF Developer I need to structure the framework into an understandable grid layout. , SAF MBSE approch planer I need to understand the frameworks structure in order to chose viewpoints to be used.	Framework Viewpoint Overview Viewpoint
meta-framework	What is the definition of columns (aspects) in the frameworks grid?	SAF System model user I need to be able to orient myself in the frameworks structure an know what is where. , SAF MBSE approch planer I need to understand the framworks structure in order to chose viewpoints to be used. , SAF Developer I need to structure the framework along criteria that are similar over the domains.	Framework Viewpoint Overview Viewpoint
meta-framework	What is the definition of rows (domains) in the frameworks grid?	SAF Developer I need to structure the framework along criteria that roughly resemble phases of a typical SE workflow. , SAF MBSE approch planer I need to understand the frameworks structure in order to chose viewpoints to be used. , SAF System model user I need to be able to orient myself in the frameworks structure an know what is where.	Framework Viewpoint Overview Viewpoint
meta-framework	What is the implementation of the frameworks concepts?	SAF Developer I need to cover the SE concepts exposed by viewpoints by an implementation.	Framework Viewpoint Implementation Viewpoint , Framework Implementation Traceability Viewpoint
meta-framework	How is a viewpoint implemented (which stereotypes /model elements are used)?	SAF System model user I want to know which model elements i am expected to work on in a viewpoint. , SAF Developer I need to chose a suitable implementation for the SE concepts exposed by a viewpoint.	Framework Viewpoint Implementation Viewpoint
meta-framework	What is the purpose of a viewpoint in the framwork?	SAF System model user I need to know if i am using a viewpoint suitable for my modeling task. , SAF Developer I need to explain to SAF users what the viewpoint is good for. , SAF MBSE approch planer I need to select appropriate viewpoinst for the MBSE approach.	Framework Viewpoint Definition Viewpoint
meta-framework	Which presentations are available for a viewpoint in the framwork?	SAF System model user I want to know what types of diagrams, tables etc. i am going to work on. , SAF MBSE approch planer I need plan which presentations shall be used by the MBSE approach. , SAF Developer I need to specify presentations of the information in a viewpoint to address different framework stakeholders concerns.	Framework Viewpoint Definition Viewpoint
meta-framework	Which dependencies to other viewpoints exist for a viewpoint of the framework?	SAF System model user I need to know the dependencies in order to plan my work. , SAF Developer I need to explain the hard(e.g. by required model elements being a prerequisite) and soft (a recommended good practice) dependencies to frameworks users. , SAF MBSE approch planer I need to know the dependencies in order to plan the MBSE approach.	Framework Viewpoint Definition Viewpoint
meta-framework	How does a viewpoint of the framework support the processes and best practises of the INCOSE SE Handbook or other system engineering standards?	SAF Developer I need to cover the processes and best practises by a suitable set of viewpoints. , SAF MBSE approch planer I want to know how the INCOSE HB processes and best practises are supported by the frameworks viewpoints, because want to plan a MBSE approach. , SAF System model user I want to know how the INCOSE HB processes and best practises are supported by the frameworks viewpoints, because i want to use the viewpoints suitable for the work i am doing.	Framework Viewpoint Definition Viewpoint
meta-framework	Which views of the frameworks viewpoints are present in the system model?	SAF System model user I need an overview about the model in order to orient myself.	Grid Definition Viewpoint
meta-framework	Why does a stakeholder have this specific concern ?	SAF Developer I want to understand the intention for the information need to select an cut set of viewpoints and then and appropriate presentation for the information. , SAF MBSE approch planer I want to know what might happen if the concern cannot be fulfilled.	Framework Stakeholder and Concern Definition Viewpoint
meta-framework	What are the frameworks model elements to be used in system models?	SAF System model user I need to populate system models with them and read them from system models. , SAF MBSE approch planer I need to know which modeling skills users will need. , SAF Developer I need to implement and document them for users	Framework Implementation Traceability Viewpoint , Framework Stereotype Overview Viewpoint
organization	What are the normal and extreme environmental conditions for normal operation, for not operational, for storage, and for transport?	System Architect , Customer , Acquirer	Stakeholder Requirement Definition Viewpoint
organization	What partys of the organization, enterprise, or operational entity are needed to achieve an intended operational capability?		Operational Performer Viewpoint
organization	What are the relationships between the partys involved in the operation of the intended solution?	Acquirer , Customer , System Architect	Operational Performer Viewpoint
organization	Which performers or resources are necessary to operate the intended solution?	Customer , Acquirer , System Architect	Operational Context Definition Viewpoint
reliability	What are the reliability requirements of functions assigned to the HW items?
reliability	What is the allocated reliability for a single function?	Hardware Developer
reliability	What are the reliability requirements of functions assigned to SW that is allocated to the HW item?
reliability	What is the allocated reliability for the complete item?	Hardware Developer
requirement	What are the non-functional requirements imposed on the system?	System Architect In my role, I need to check whether the system design implements the System Requirements. , IV&V Engineer In my role, I need to prove System Requirements via test cases. , Software Developer In my role, I need to trace my derived requirements against these ones relevant to me. , Hardware Developer In my role, I need to trace my derived requirements against these ones relevant to me.	System Requirement Definition Viewpoint
requirement	What are the requirements that a Stakeholder imposes on the system?		Stakeholder Requirement Definition Viewpoint
requirement	Which are the interface requirements imposed on the system?		System Requirement Definition Viewpoint , System Context Exchange Viewpoint
requirement	What are the requirements of environmental conditions imposed on the system?		System Requirement Definition Viewpoint , Stakeholder Requirement Definition Viewpoint
requirement	What defines a valid solution towards the customer?		Stakeholder Requirement Definition Viewpoint
requirement	What are the functional requirements imposed on the system?	System Architect In my role, I need to check whether the system design implements the System Requirements. , IV&V Engineer In my role, I need to prove System Requirements via test cases. , Software Developer In my role, I need to trace my derived requirements against these ones relevant to me. , Hardware Developer In my role, I need to trace my derived requirements against these ones relevant to me.	System Requirement Definition Viewpoint
requirement	Which requirements apply to a logical interface?		System Context Exchange Viewpoint , Logical Internal Exchange Viewpoint
requirement	what has to be validated to the customer at system level?		Stakeholder Requirement Definition Viewpoint
requirement	Which requirements apply to a physical interface?		Physical Context Exchange Viewpoint
requirement	What are the exchange requirements imposed on the system?		System Requirement Definition Viewpoint
requirement	What is the range of acceptable system performance, i.e. the critical, top-level performance requirements derived from the operational needs?		System Requirement Definition Viewpoint , Stakeholder Requirement Definition Viewpoint
stakeholder	Which external entities (external systems, environments, etc.) does a Stakeholder represent?		Stakeholder Identification Viewpoint
stakeholder	In which phases of the life cycle is a Stakeholder involved in the project?	System Architect In my role, I need to give feedback on existing or missing stakeholders. , Project Manager In my role, I need to give feedback on existing or missing stakeholders.	Stakeholder Identification Viewpoint
stakeholder	Which Stakeholders are relevant to the system and might impose requirements?	Software Developer In my role, I need to give feedback on existing or missing stakeholders. , System Architect In my role, I need to give feedback on existing or missing stakeholders. , Hardware Developer In my role, I need to give feedback on existing or missing stakeholders. , Project Manager In my role, I need to give feedback on existing or missing stakeholders.	Stakeholder Identification Viewpoint
stakeholder	What relevant relations and influences exist between Stakeholders?		Stakeholder Identification Viewpoint
stakeholder	Who are the (Major) Stakeholders involved in the intended solution?	Acquirer , System Architect In my role, I need to give feedback on existing or missing stakeholders. , Supplier	Stakeholder Identification Viewpoint , Operational Context Definition Viewpoint
stakeholder	What concerns and rationals does a Stakeholder have?	Project Manager , System Architect	Stakeholder Identification Viewpoint
story	Which are the system scenarios, i.e., course of action, for the system context in which the system solution will exist?		System Use Case Viewpoint
story	For what purpose is the system developed or adapted?	System Architect In my role, I need to know this in order to be able to further design the system in an appropriate way. , Project Manager In my role, I need to check whether the project order is implemented correctly. , Acquirer In my role, I need to check whether the overall system purpose is supported.	System Use Case Viewpoint
story	Which is the operational scenario, i.e., course of action, for the mission and the context in which the system of systems solution will exist?	Acquirer , Customer , System Architect	Operational Story Viewpoint
story	What has the system to accomplish for its users?		System Use Case Viewpoint
structure	What is the logical breakdown of the system?	System Architect	Logical Structure Definition Viewpoint
structure	What is the physical breakdown of the system?	System Architect In my role, I need to orchestrate the interface agreements among the parts of the system. , IV&V Engineer In my role, I need to test and integrate the items into the sytem. , Security Expert In my role, I need to assess if the system partitioning fulfills the security requirements. , Safety Expert In my role, I need to assess if the system partitioning fulfills the safety requirements.	Physical Structure Definition Viewpoint
terms and standards	Which standards, guidance, and policy are applicable to the system of interest or its system elements and their interfaces and interactions?	Hardware Developer In my role, I need to know the applicable standards during implementation.. , Mechanic Developer In my role, I need to know the applicable standards during implementation.. , Software Developer In my role, I need to know the applicable standards during implementation..	Common Standards Definition Viewpoint
terms and standards	Which are the relevant releases of the applicable standards, guidance, and policy to be used for the development of the system of interest and its system elements?	System Architect i need to record them in the project baseline-	Common Standards Definition Viewpoint
terms and standards	Which other standards are referenced or referred to by applicable standards?	System Architect	Common Standards Definition Viewpoint
terms and standards	What is the complete identification of a standard or a specification?		Common Standards Definition Viewpoint
terms and standards	Which terms and abbreviations are applicable to the system of interest or its system elements and their interfaces and interactions?	Hardware Developer In my role, I need to know the meaning of defined terms from applicable standards during implementation.. , Mechanic Developer In my role, I need to know the meaning of defined terms from applicable standards during implementation. , Software Developer In my role, I need to know the meaning of defined terms from applicable standards during implementation. , System Architect I need to communicate these terms to stakeholders, and make sure they are applied appropriately to systeme elements. , Acquirer I want to know if standards relevant to the system are applied properly.	Common Terms Definition Viewpoint
terms and standards	What are the sources (e.g. a standard) of terms?	Software Developer In my role, I need to know the meaning of defined terms from applicable standards during implementation. , Hardware Developer In my role, I need to know the meaning of defined terms from applicable standards during implementation. , Mechanic Developer In my role, I need to know the meaning of defined terms from applicable standards during implementation.. , System Architect I need to check the sources of standards for updates and obsolescence of applied standards.	Common Terms Definition Viewpoint
terms and standards	by which standard is an other standard superseded?	System Architect I need to plan for obsolescence of applicable standards.	Common Standards Definition Viewpoint
traceability & mapping	Which System Requirements are derived from Stakeholder Requirements?	Project Manager In my role, I need to check whether we fulfill our contract.	System Requirement Definition Viewpoint , System Requirement Traceability Viewpoint
traceability & mapping	Show in a concise manner the relationships from operational capability to operational story, to operational activity, and to operational performer.	Acquirer , Customer , Portfolio Manager , System Architect	Operational Capability Mapping Viewpoint
traceability & mapping	What are the scenarios a system function is utilized in?	User , System Architect , Acquirer , Operator , Customer , Supplier , Safety Expert , Security Expert	System Process Viewpoint
traceability & mapping	Which system interface is addressed by a system requirement?		System Requirement Traceability Viewpoint
traceability & mapping	Which system function is addressed by a system requirement?	System Architect	System Requirement Traceability Viewpoint
traceability & mapping	What is the rationale for a system requirement?		System Requirement Traceability Viewpoint
traceability & mapping	Which functions need to be implemented in HW?		Physical Functional Mapping Viewpoint
traceability & mapping	Show in a concise manner the relationships from operational process to operational story and to operational performer.	Acquirer , Customer , Portfolio Manager , System Architect	Operational Process Mapping Viewpoint
traceability & mapping	What is the mapping of functions to the physical SOI physical architecture?	Hardware Developer In my role, I need to implement the sub-functions in my HW subsystem. , Software Developer In my role, I need to implement the sub-functions in my SW subsystem. , System Architect In my role, I need to delegate the implementation of sub-function in physical subsystems (HW/SW/...). , Mechanic Developer In my role, I need to implement the sub-functions in my mechanical subsystem	Physical Functional Mapping Viewpoint
traceability & mapping	Which system functions are dependent on a systems mode or state?	System Architect	System State Viewpoint
traceability & mapping	Which functions are allocated to which parts of the logical architecture?	Hardware Developer In my role, I need to take this into account when planning implementation. , Software Developer In my role, I need to take this into account when planning implementation. , System Architect	Logical Functional Mapping Viewpoint
traceability & mapping	Which functions and services need to be implemented in SW?	Software Developer	Physical Functional Mapping Viewpoint
traceability & mapping	Which logical elements are allocated to which physical elements?	Mechanic Developer In my role, as design authority I have to ensure that the Physical Element fulfills the allocated logical concept (specification). , IV&V Engineer In my role, I have to plan IV&V activities to evaluate the Physical Element as unit under test against the logical concept (specification). , Hardware Developer In my role, as design authority I have to ensure that the HW Element fulfills the allocated logical concept (specification). , Software Developer In my role, as design authority I have to ensure that the SW Element fulfills the allocated logical concept (specification). , System Architect In my role, I have to check that all aspects of the logical concept (specification) are allocated to physical elements (with assigned design authorities).	Physical Logical Mapping Viewpoint
traceability & mapping	which functions need to be realized by mechanical design		Physical Functional Mapping Viewpoint