Parent Service Package: SU05
< < SU05.2 : SU05.3 : SU06.1 > >

SU05.3: Time Distribution Implementation

Includes the interfaces to an accurate external time source used as a basis for time synchronization

Relevant Regions: Australia, Canada, European Union, and United States

Enterprise
Functional
Physical
Goals and Objectives
Needs and Requirements
Sources
Security
Standards
System Requirements

Enterprise

Development Stage Roles and Relationships
(hide)

Source	Destination	Role/Relationship
Center Developer	Center	Develops (hide) An Enterprise creates the target Resource or Document. The Enterprise that engineers a traffic signal controller (ITS Roadway Equipment), or designs a vehicle (Basic Vehicle) or authors a technical standard will have the Develops role.
Connected Vehicle Roadside Equipment Developer	Connected Vehicle Roadside Equipment	Develops (hide) An Enterprise creates the target Resource or Document. The Enterprise that engineers a traffic signal controller (ITS Roadway Equipment), or designs a vehicle (Basic Vehicle) or authors a technical standard will have the Develops role.
Data Distribution System Developer	Data Distribution System	Develops (hide) An Enterprise creates the target Resource or Document. The Enterprise that engineers a traffic signal controller (ITS Roadway Equipment), or designs a vehicle (Basic Vehicle) or authors a technical standard will have the Develops role.
Field Developer	Field	Develops (hide) An Enterprise creates the target Resource or Document. The Enterprise that engineers a traffic signal controller (ITS Roadway Equipment), or designs a vehicle (Basic Vehicle) or authors a technical standard will have the Develops role.
Multi-Access Edge Computing Developer	Multi-Access Edge Computing	Develops (hide) An Enterprise creates the target Resource or Document. The Enterprise that engineers a traffic signal controller (ITS Roadway Equipment), or designs a vehicle (Basic Vehicle) or authors a technical standard will have the Develops role.
Network Time Source Developer	Center Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Network Time Source Developer	Connected Vehicle Roadside Equipment Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Network Time Source Developer	Data Distribution System Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Network Time Source Developer	Field Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Network Time Source Developer	Multi-Access Edge Computing Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Network Time Source Developer	Network Time Source	Develops (hide) An Enterprise creates the target Resource or Document. The Enterprise that engineers a traffic signal controller (ITS Roadway Equipment), or designs a vehicle (Basic Vehicle) or authors a technical standard will have the Develops role.
Network Time Source Developer	Service Monitor System Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Service Monitor System Developer	Center Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Service Monitor System Developer	Connected Vehicle Roadside Equipment Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Service Monitor System Developer	Data Distribution System Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Service Monitor System Developer	Field Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Service Monitor System Developer	Multi-Access Edge Computing Developer	Application Interface Specification (hide) The definition of an interface between two application components that operate on two distinct pieces of hardware. The Application Interface Specification is specific to the application in question.
Service Monitor System Developer	Service Monitor System	Develops (hide) An Enterprise creates the target Resource or Document. The Enterprise that engineers a traffic signal controller (ITS Roadway Equipment), or designs a vehicle (Basic Vehicle) or authors a technical standard will have the Develops role.

Installation Stage Roles and Relationships
(hide)

Source	Destination	Role/Relationship
Center Installer	Center	Installs (hide) An Enterprise performs the initial delivery, integration and configuration of the target Resource. This might be a system integrator, a state DOT Enterprise performing its own installation, or a device supplier that performs on-site installation.
Center Owner	Center Installer	Installation Agreement (hide) An agreement whereupon one party installs a system on behalf of a second party.
Center Owner	Center Verifier	Verification Agreement (hide) An agreement for one party to verify that a system owned by the second party operates according to the system's design.
Connected Vehicle Roadside Equipment Installer	Connected Vehicle Roadside Equipment	Installs (hide) An Enterprise performs the initial delivery, integration and configuration of the target Resource. This might be a system integrator, a state DOT Enterprise performing its own installation, or a device supplier that performs on-site installation.
Connected Vehicle Roadside Equipment Owner	Connected Vehicle Roadside Equipment Installer	Installation Agreement (hide) An agreement whereupon one party installs a system on behalf of a second party.
Connected Vehicle Roadside Equipment Owner	Connected Vehicle Roadside Equipment Verifier	Verification Agreement (hide) An agreement for one party to verify that a system owned by the second party operates according to the system's design.
Data Distribution System Installer	Data Distribution System	Installs (hide) An Enterprise performs the initial delivery, integration and configuration of the target Resource. This might be a system integrator, a state DOT Enterprise performing its own installation, or a device supplier that performs on-site installation.
Data Distribution System Owner	Data Distribution System Installer	Installation Agreement (hide) An agreement whereupon one party installs a system on behalf of a second party.
Data Distribution System Owner	Data Distribution System Verifier	Verification Agreement (hide) An agreement for one party to verify that a system owned by the second party operates according to the system's design.
Field Installer	Field	Installs (hide) An Enterprise performs the initial delivery, integration and configuration of the target Resource. This might be a system integrator, a state DOT Enterprise performing its own installation, or a device supplier that performs on-site installation.
Field Owner	Field Installer	Installation Agreement (hide) An agreement whereupon one party installs a system on behalf of a second party.
Field Owner	Field Verifier	Verification Agreement (hide) An agreement for one party to verify that a system owned by the second party operates according to the system's design.
Multi-Access Edge Computing Installer	Multi-Access Edge Computing	Installs (hide) An Enterprise performs the initial delivery, integration and configuration of the target Resource. This might be a system integrator, a state DOT Enterprise performing its own installation, or a device supplier that performs on-site installation.
Multi-Access Edge Computing Owner	Multi-Access Edge Computing Installer	Installation Agreement (hide) An agreement whereupon one party installs a system on behalf of a second party.
Multi-Access Edge Computing Owner	Multi-Access Edge Computing Verifier	Verification Agreement (hide) An agreement for one party to verify that a system owned by the second party operates according to the system's design.
Network Time Source Installer	Network Time Source	Installs (hide) An Enterprise performs the initial delivery, integration and configuration of the target Resource. This might be a system integrator, a state DOT Enterprise performing its own installation, or a device supplier that performs on-site installation.
Network Time Source Owner	Network Time Source Installer	Installation Agreement (hide) An agreement whereupon one party installs a system on behalf of a second party.
Network Time Source Owner	Network Time Source Verifier	Verification Agreement (hide) An agreement for one party to verify that a system owned by the second party operates according to the system's design.
Service Monitor System Installer	Service Monitor System	Installs (hide) An Enterprise performs the initial delivery, integration and configuration of the target Resource. This might be a system integrator, a state DOT Enterprise performing its own installation, or a device supplier that performs on-site installation.
Service Monitor System Owner	Service Monitor System Installer	Installation Agreement (hide) An agreement whereupon one party installs a system on behalf of a second party.
Service Monitor System Owner	Service Monitor System Verifier	Verification Agreement (hide) An agreement for one party to verify that a system owned by the second party operates according to the system's design.

Operations and Maintenance Stage Roles and Relationships
(hide)

Source	Destination	Role/Relationship
Center Maintainer	Center	Maintains (hide) An Enterprise administers the hardware and software that comprise the target Resource. The entity that takes the ‘maintains’ role typically is delegated authority by the entity with the “Owns” or "Manages" roles, depending on the environment. The maintainer interacts with the target Resource so as to keep that Resource in the Operational state.
Center Manager	Center	Manages (hide) The Enterprise that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This authority is typically delegated by the Enterprise with the "Owns" role, and commonly accomplished by delegation to Human E-Objects with the "operates", "installs" or "maintains" roles, depending on the context.
Center Manager	Center Personnel	System Usage Agreement (hide) An agreement granting operational use of a system to a Human with the operates role responsible for management of the system.
Center Owner	Center Maintainer	System Maintenance Agreement (hide) An agreement for one party to maintain the operational status of a system on behalf of the party with ownership control of the system.
Center Owner	Center Manager	Operations Agreement (hide) An agreement where one entity agrees to operate a device or application on behalf of another, device/application controlling entity.
Center Personnel	Center	Operates (hide) A Human that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This is the person at the console or behind the wheel.
Center Supplier	Center Owner	Warranty (hide) A guarantee or promise made by one entity to another, that provides assurance of the functionality and performance of a subsystem.
Connected Vehicle Roadside Equipment Maintainer	Connected Vehicle Roadside Equipment	Maintains (hide) An Enterprise administers the hardware and software that comprise the target Resource. The entity that takes the ‘maintains’ role typically is delegated authority by the entity with the “Owns” or "Manages" roles, depending on the environment. The maintainer interacts with the target Resource so as to keep that Resource in the Operational state.
Connected Vehicle Roadside Equipment Manager	Connected Vehicle Roadside Equipment	Manages (hide) The Enterprise that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This authority is typically delegated by the Enterprise with the "Owns" role, and commonly accomplished by delegation to Human E-Objects with the "operates", "installs" or "maintains" roles, depending on the context.
Connected Vehicle Roadside Equipment Manager	Connected Vehicle Roadside Equipment Operator	System Usage Agreement (hide) An agreement granting operational use of a system to a Human with the operates role responsible for management of the system.
Connected Vehicle Roadside Equipment Operator	Connected Vehicle Roadside Equipment	Operates (hide) A Human that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This is the person at the console or behind the wheel.
Connected Vehicle Roadside Equipment Owner	Connected Vehicle Roadside Equipment Maintainer	System Maintenance Agreement (hide) An agreement for one party to maintain the operational status of a system on behalf of the party with ownership control of the system.
Connected Vehicle Roadside Equipment Owner	Connected Vehicle Roadside Equipment Manager	Operations Agreement (hide) An agreement where one entity agrees to operate a device or application on behalf of another, device/application controlling entity.
Connected Vehicle Roadside Equipment Supplier	Connected Vehicle Roadside Equipment Owner	Warranty (hide) A guarantee or promise made by one entity to another, that provides assurance of the functionality and performance of a subsystem.
Data Distribution System Maintainer	Data Distribution System	Maintains (hide) An Enterprise administers the hardware and software that comprise the target Resource. The entity that takes the ‘maintains’ role typically is delegated authority by the entity with the “Owns” or "Manages" roles, depending on the environment. The maintainer interacts with the target Resource so as to keep that Resource in the Operational state.
Data Distribution System Manager	Data Distribution System	Manages (hide) The Enterprise that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This authority is typically delegated by the Enterprise with the "Owns" role, and commonly accomplished by delegation to Human E-Objects with the "operates", "installs" or "maintains" roles, depending on the context.
Data Distribution System Manager	Data Distribution System Operator	System Usage Agreement (hide) An agreement granting operational use of a system to a Human with the operates role responsible for management of the system.
Data Distribution System Operator	Data Distribution System	Operates (hide) A Human that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This is the person at the console or behind the wheel.
Data Distribution System Owner	Data Distribution System Maintainer	System Maintenance Agreement (hide) An agreement for one party to maintain the operational status of a system on behalf of the party with ownership control of the system.
Data Distribution System Owner	Data Distribution System Manager	Operations Agreement (hide) An agreement where one entity agrees to operate a device or application on behalf of another, device/application controlling entity.
Data Distribution System Supplier	Data Distribution System Owner	Warranty (hide) A guarantee or promise made by one entity to another, that provides assurance of the functionality and performance of a subsystem.
Field Maintainer	Field	Maintains (hide) An Enterprise administers the hardware and software that comprise the target Resource. The entity that takes the ‘maintains’ role typically is delegated authority by the entity with the “Owns” or "Manages" roles, depending on the environment. The maintainer interacts with the target Resource so as to keep that Resource in the Operational state.
Field Manager	Field	Manages (hide) The Enterprise that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This authority is typically delegated by the Enterprise with the "Owns" role, and commonly accomplished by delegation to Human E-Objects with the "operates", "installs" or "maintains" roles, depending on the context.
Field Manager	Maint and Constr Field Personnel	System Usage Agreement (hide) An agreement granting operational use of a system to a Human with the operates role responsible for management of the system.
Field Owner	Field Maintainer	System Maintenance Agreement (hide) An agreement for one party to maintain the operational status of a system on behalf of the party with ownership control of the system.
Field Owner	Field Manager	Operations Agreement (hide) An agreement where one entity agrees to operate a device or application on behalf of another, device/application controlling entity.
Field Supplier	Field Owner	Warranty (hide) A guarantee or promise made by one entity to another, that provides assurance of the functionality and performance of a subsystem.
Maint and Constr Field Personnel	Field	Operates (hide) A Human that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This is the person at the console or behind the wheel.
Multi-Access Edge Computing Maintainer	Multi-Access Edge Computing	Maintains (hide) An Enterprise administers the hardware and software that comprise the target Resource. The entity that takes the ‘maintains’ role typically is delegated authority by the entity with the “Owns” or "Manages" roles, depending on the environment. The maintainer interacts with the target Resource so as to keep that Resource in the Operational state.
Multi-Access Edge Computing Manager	Multi-Access Edge Computing	Manages (hide) The Enterprise that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This authority is typically delegated by the Enterprise with the "Owns" role, and commonly accomplished by delegation to Human E-Objects with the "operates", "installs" or "maintains" roles, depending on the context.
Multi-Access Edge Computing Manager	Multi-Access Edge Computing Operator	System Usage Agreement (hide) An agreement granting operational use of a system to a Human with the operates role responsible for management of the system.
Multi-Access Edge Computing Operator	Multi-Access Edge Computing	Operates (hide) A Human that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This is the person at the console or behind the wheel.
Multi-Access Edge Computing Owner	Multi-Access Edge Computing Maintainer	System Maintenance Agreement (hide) An agreement for one party to maintain the operational status of a system on behalf of the party with ownership control of the system.
Multi-Access Edge Computing Owner	Multi-Access Edge Computing Manager	Operations Agreement (hide) An agreement where one entity agrees to operate a device or application on behalf of another, device/application controlling entity.
Multi-Access Edge Computing Supplier	Multi-Access Edge Computing Owner	Warranty (hide) A guarantee or promise made by one entity to another, that provides assurance of the functionality and performance of a subsystem.
Network Time Source Maintainer	Network Time Source	Maintains (hide) An Enterprise administers the hardware and software that comprise the target Resource. The entity that takes the ‘maintains’ role typically is delegated authority by the entity with the “Owns” or "Manages" roles, depending on the environment. The maintainer interacts with the target Resource so as to keep that Resource in the Operational state.
Network Time Source Manager	Network Time Source	Manages (hide) The Enterprise that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This authority is typically delegated by the Enterprise with the "Owns" role, and commonly accomplished by delegation to Human E-Objects with the "operates", "installs" or "maintains" roles, depending on the context.
Network Time Source Manager	Network Time Source Operator	System Usage Agreement (hide) An agreement granting operational use of a system to a Human with the operates role responsible for management of the system.
Network Time Source Operator	Network Time Source	Operates (hide) A Human that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This is the person at the console or behind the wheel.
Network Time Source Owner	Center Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Network Time Source Owner	Center Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Network Time Source Owner	Center Personnel	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Network Time Source Owner	Center User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Network Time Source Owner	Connected Vehicle Roadside Equipment Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Network Time Source Owner	Connected Vehicle Roadside Equipment Operator	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Network Time Source Owner	Connected Vehicle Roadside Equipment Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Network Time Source Owner	Connected Vehicle Roadside Equipment User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Network Time Source Owner	Data Distribution System Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Network Time Source Owner	Data Distribution System Operator	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Network Time Source Owner	Data Distribution System Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Network Time Source Owner	Data Distribution System User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Network Time Source Owner	Field Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Network Time Source Owner	Field Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Network Time Source Owner	Field User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Network Time Source Owner	Maint and Constr Field Personnel	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Network Time Source Owner	Multi-Access Edge Computing Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Network Time Source Owner	Multi-Access Edge Computing Operator	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Network Time Source Owner	Multi-Access Edge Computing Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Network Time Source Owner	Multi-Access Edge Computing User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Network Time Source Owner	Network Time Source Maintainer	System Maintenance Agreement (hide) An agreement for one party to maintain the operational status of a system on behalf of the party with ownership control of the system.
Network Time Source Owner	Network Time Source Manager	Operations Agreement (hide) An agreement where one entity agrees to operate a device or application on behalf of another, device/application controlling entity.
Network Time Source Owner	Service Monitor System Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Network Time Source Owner	Service Monitor System Operator	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Network Time Source Owner	Service Monitor System Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Network Time Source Owner	Service Monitor System User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Network Time Source Supplier	Network Time Source Owner	Warranty (hide) A guarantee or promise made by one entity to another, that provides assurance of the functionality and performance of a subsystem.
Service Monitor System Maintainer	Service Monitor System	Maintains (hide) An Enterprise administers the hardware and software that comprise the target Resource. The entity that takes the ‘maintains’ role typically is delegated authority by the entity with the “Owns” or "Manages" roles, depending on the environment. The maintainer interacts with the target Resource so as to keep that Resource in the Operational state.
Service Monitor System Manager	Service Monitor System	Manages (hide) The Enterprise that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This authority is typically delegated by the Enterprise with the "Owns" role, and commonly accomplished by delegation to Human E-Objects with the "operates", "installs" or "maintains" roles, depending on the context.
Service Monitor System Manager	Service Monitor System Operator	System Usage Agreement (hide) An agreement granting operational use of a system to a Human with the operates role responsible for management of the system.
Service Monitor System Operator	Service Monitor System	Operates (hide) A Human that is accountable for performing actions with a Resource, typically in support of one of the key operations-related roles (operates, installs, maintains). This is the person at the console or behind the wheel.
Service Monitor System Owner	Center Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Service Monitor System Owner	Center Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Service Monitor System Owner	Center Personnel	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Service Monitor System Owner	Center User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Service Monitor System Owner	Connected Vehicle Roadside Equipment Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Service Monitor System Owner	Connected Vehicle Roadside Equipment Operator	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Service Monitor System Owner	Connected Vehicle Roadside Equipment Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Service Monitor System Owner	Connected Vehicle Roadside Equipment User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Service Monitor System Owner	Data Distribution System Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Service Monitor System Owner	Data Distribution System Operator	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Service Monitor System Owner	Data Distribution System Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Service Monitor System Owner	Data Distribution System User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Service Monitor System Owner	Field Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Service Monitor System Owner	Field Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Service Monitor System Owner	Field User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Service Monitor System Owner	Maint and Constr Field Personnel	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Service Monitor System Owner	Multi-Access Edge Computing Maintainer	Maintenance Data Exchange Agreement (hide) An agreement that states one entity will provide data related to maintenance of an application component to the other entity.
Service Monitor System Owner	Multi-Access Edge Computing Operator	Application Usage Agreement (hide) An agreement in which one entity that controls an application component's use gives the other entity the necessary tools and permission to operate that application or application component.
Service Monitor System Owner	Multi-Access Edge Computing Owner	Information Provision Agreement (hide) An agreement where one party agrees to provide information to another party. This is a unidirectional agreement.
Service Monitor System Owner	Multi-Access Edge Computing User	Service Usage Agreement (hide) An agreement between the provider of a service and a user. Stipulates the terms and conditions of service usage.
Service Monitor System Owner	Service Monitor System Maintainer	System Maintenance Agreement (hide) An agreement for one party to maintain the operational status of a system on behalf of the party with ownership control of the system.
Service Monitor System Owner	Service Monitor System Manager	Operations Agreement (hide) An agreement where one entity agrees to operate a device or application on behalf of another, device/application controlling entity.
Service Monitor System Supplier	Service Monitor System Owner	Warranty (hide) A guarantee or promise made by one entity to another, that provides assurance of the functionality and performance of a subsystem.

Functional

This service package includes the following Functional View PSpecs:

Physical Object	Functional Object	PSpec Number	PSpec Name
Center	Center Support Services	10.6.1.1	Support Center Location and Time Services
Data Distribution System	DDS Support Services	10.6.1.2	Support Data Distribution Location and Time Services
Field	Field Time Management	10.6.2.2	Support Field Location and Time Services
Service Monitor System	SM Time Synchronization	10.4.1	Maintain Time Synchronization
Service Monitor System	SM Time Synchronization	10.4.2	Provide Time Support Services Operator Interface

Physical

The physical diagram can be viewed in SVG or PNG format and the current format is SVG.
SVG Diagram
PNG Diagram

Display Legend in SVG or PNG

Includes Physical Objects:

Physical Object	Class	Description
Center	Center	This general physical object is used to model core capabilities that are common to any center.
Connected Vehicle Roadside Equipment	Field	'Connected Vehicle Roadside Equipment' (CV RSE) represents the Connected Vehicle roadside devices (i.e., Roadside Units (RSUs)) equipped with short range wireless (SRW) communications technology, as well as any other supporting equipment that leverage the RSU and are not described by other objects (e.g., a local roadside processor). CVRSE are used to send messages to, and receive messages from, nearby vehicles and personal devices equipped with compatible communications technology. Communications with adjacent field equipment and back office centers that monitor and control the RSE are also supported. This device operates from a fixed position and may be permanently deployed or a portable device that is located temporarily in the vicinity of a traffic incident, road construction, or a special event. It includes a processor, data storage, and communications capabilities that support secure communications with passing vehicles, other field equipment, and centers.
Data Distribution System	Support	The 'Data Distribution System' collects, processes, and distributes ITS data, connecting data producers with data consumers and facilitating data exchange.
Field	Field	This general physical object is used to model core capabilities that are common to any piece of field equipment.
Multi-Access Edge Computing	Field	'Multi-Access Edge Computing' ((MEC) previously known as mobile edge computing) represents computing devices that operate and are managed like a cloud server, but are deployed at the edge of a network (typically a cellular network, but it could be any network). While not in strict proximity to the transportation network, these systems do benefit from vastly decreased distances to the roadway compared to central systems, and so can provide lower latency than strictly backoffice systems
Network Time Source	Support	The 'Network Time Source' represents the external time source the Connected Vehicle Service Monitor System uses as the basis for time. This is likely implemented as a Stratum-2 Network Time Server that is 2 steps removed from a basic time source (e.g., atomic clock).
Service Monitor System	Support	The 'Service Monitor System' represents one or more center-based systems that provide monitoring, management and control services necessary to other applications and/or devices operating within the Connected Vehicle Environment. These support services enable other applications to provide transportation services.
Service Monitor System Operator	Support	The 'Service Monitor System Operator' represents the person or people that monitor and manage the Service Monitor System.

Includes Functional Objects:

Functional Object	Description	Physical Object
Center Support Services	'Center Support Services' provides foundational functions that support data collection, management, location reference, timing, and data distribution. It maintains precise location and time information to support other services.	Center
DDS Support Services	'DDS Support Services' provides foundational functions that support data collection, management, timing, and data distribution. It coordinates with Support subsystems to maintain necessary registrations with respect to location and scope.	Data Distribution System
Field Time Management	'Field Time Management' provides foundational time keeping functionality that supports an accurate, synchronized time reference in ITS field equipment. It receives accurate time information from an external source and maintains a local time reference using an internal clock in between time synchronizations.	Field
SM Time Synchronization	'SM Time Synchronization' provides the functions necessary to receive accurate time from an external Network Time Server and provide that Coordinated Universal Time (UTC) as Time Local Form to other center systems and field devices.	Service Monitor System

Includes Information Flows:

Information Flow	Description
service monitor information presentation	Presentation of information to the System Monitoring Operator including current operational status of the System Monitoring function and the connected vehicle environment that is monitored.
service monitor operator input	User input from the SMS operator including requests to monitor current system operation and inputs to affect system operation.
time	Current time expressed in Universal Time Coordinated (UTC) format from a Stratum-2 time server.
time local form	Time local form includes UTC time synchronized with the external source in a format usable by connected vehicle center functions.

Goals and Objectives

Associated Planning Factors and Goals

Planning Factor	Goal
B. Increase the safety of the transportation system for motorized and nonmotorized users;	Reduce fatalities and injuries
D. Increase the accessibility and mobility of people and for freight;	Reduce congestion
G. Promote efficient system management and operation;	Improve efficiency

Associated Objective Categories

Objective Category
Arterial Management: Traffic Monitoring and Data Collection
Arterial Management: Traffic Signal Management
Freeway Management: Transportation Management Centers
Safety: Vehicle Crashes and Fatalities
Transit Operations and Management: Demand Responsive Transit
Transit Operations and Management: Transit Signal Priority
Travel Weather Management: Signal Timing Plans

Associated Objectives and Performance Measures

Objective	Performance Measure
Decrease delay by X percent per year by increasing the use of queue jumping and automated vehicle location.	Travel time delay on routes with queue jumping and automated vehicle location in use.
Decrease system-wide signal delay on transit routes by X percent per year.	System-wide signalized stop delay on transit routes.
Field data collection is conducted either through floating car studies or other methods at least once every Y years on major signalized arterials and X years on minor signalized arterials.	Number of field data collection studies performed every Y and X years on major and minor signalized arterials, respectively.
Improve on-time pick-up of demand response transit passengers.	Demand response passenger pick-up on-time performance
Improve the operational efficiency of the demand response transit service in the region.	Operating expense per passenger mile
Improve the operational efficiency of the demand response transit service in the region.	Operating expense per passenger trip
Improve the operational efficiency of the demand response transit service in the region.	Passenger miles per vehicle
Improve the operational efficiency of the demand response transit service in the region.	Passenger trips per vehicle
Increase implementation of transit signal priority strategies on X number of routes (or X number of intersections) over the next Y years.	Number of transit routes/intersections equipped with transit signal priority capability.
Increase the hours of TMC operation and level of staffing by X percent by year Y.	Number of hours of TMC operation and number of staff serving the TMC.
Increase the number of intersections added to an Automated Traffic Signal Performance Measure (ATSPM) system by X percent in Y years.	Number of intersections added to an ATSPM system.
Increase the number of intersections running in a coordinated, closed-loop, or adaptive system by X percent in Y years.	Number of intersections running in a coordinated, closed-loop, or adaptive system.
Increase the percent of regional transportation system monitored by the TMC for real-time performance.	Percent of regional transportation system monitored by the TMC for real-time performance.
Reduce crashes at intersections	Number of crashes and fatalities at signalized intersections
Reduce crashes at intersections	Number of crashes and fatalities at unsignalized intersections
Reduce crashes at intersections	Number of crashes and fatalities related to red-light running
Reduce crashes at railroad crossings	Number of crashes and fatalities at railroad crossings
Reduce crashes due to red-light running	Number of crashes and fatalities related to red-light running
Reduce crashes due to road weather conditions	Number of crashes and fatalities related to weather conditions
Reduce crashes due to unexpected congestion	Number of crashes and fatalities related to unexpected congestion
Reduce lane departure crashes	Number of crashes and fatalities related to inappropriate lane departure, crossing or merging
Reduce secondary crashes	Number of secondary crashes
Reduce the number of motorcyclist fatalities by X percent by year Y.	Number of motorcyclist fatalities
Reduce the number of pedestrian fatalities by X percent by year Y.	Number of pedestrian fatalities
Reduce the rate fatalities in the region by X percent by year Y.	Rate of fatalities (rate per vehicle miles travelled (VMT))
Reduce the rate of severe injuries in the region by X percent by year Y.	Rate of serious injuries (rate per VMT)
Reduce the total number of crashes in the region by X percent by year Y.	Total crashes per X VMT.
Reduce the total number of crashes involving bicyclists and pedestrians in the region by X percent by year Y.	Total crashes involving bicycles.
Reduce the total number of crashes involving bicyclists and pedestrians in the region by X percent by year Y.	Total crashes involving pedestrians.
Reduce the total number of fatalities and severe injuries in the region by X percent by year Y.	Total fatalities per X VMT.
Reduce the total number of fatalities and severe injuries in the region by X percent by year Y.	Total severe injuries per X VMT.
Reduce the total number of fatalities in the region by X percent by year Y.	Number of fatalities
Reduce the total number of severe injuries in the region by X percent by year Y.	Number of serious injuries
Special timing plans are available for use during freeway incidents, roadway construction activities, or other special events for X miles of arterials in the region by year Y.	Number of miles of arterials that have at least one special timing plan for incidents, construction, or events.
Special timing plans are available for use during inclement weather conditions for X miles of arterials in the region by year Y.	Number of miles of arterials that have at least one special timing plan for inclement weather events.
X percent of intersections in the region are equipped and operating with traffic signals that enable real-time monitoring and management of traffic flows by year Y.	Percent of intersections in the region equipped and operating with traffic signals that enable real-time monitoring and management of traffic flows.
X percent of major and minor arterials are equipped and operating with arterial link traffic data detection stations (appropriate technology) per Z distance by year Y.	Percent of major and minor arterials equipped and operating with arterial link traffic data detection stations (appropriate technology) per Z distance.
X percent of major and minor arterials are equipped and operating with closed circuit television (CCTV) cameras per Z distance by year Y.	Percent of major and minor arterials equipped and operating with closed circuit television (CCTV) cameras per Z distance.

Since the mapping between objectives and service packages is not always straight-forward and often situation-dependent, these mappings should only be used as a starting point. Users should do their own analysis to identify the best service packages for their region.

Needs and Requirements

Need		Functional Object	Requirement
01	System operators, vehicle operators, support system operators, PID users, maintenance personnel need their devices to operate on a common time base. Coordination of time between the internal systems that comprise the connected vehicle environment prevents internal synchronization errors and enables time sensitive interactions between all users.	Center Support Services	01	The Center shall acquire time sync data from an external Stratum-2 time source.
		Center Support Services	02	The Center shall use the externally acquired time sync data to maintain its internal clocks.
		DDS Support Services	04	The data support center shall obtain time sync data from the other Center.
			05	The data support center shall acquire time sync data from an external Stratum-2 time source.
			08	The data support center shall use the externally acquired time sync data to maintain its internal clocks.
		Field Time Management	01	The field element shall obtain time and position data from its local location and time data source.
			02	The field element shall obtain time sync data from the Service Monitor.
			03	The field element shall acquire time sync data from an external Stratum-2 time source.
		SM Time Synchronization	01	The service monitor system shall use the externally acquired time sync data to maintain its internal clocks.
			02	The service monitor system shall provide time sync data to other Centers.
			03	The service monitor system shall provide time sync data to Connected Vehicle Roadway Equipment.
			04	The service monitor system shall provide time sync data to ITS Roadway Equipment.
			05	The service monitor system shall acquire time sync data from an external Stratum-2 time source.
02	Vehicle Operators, PID users and system operators need their devices to operate from a common geographic reference.	Field Time Management	01	The field element shall obtain time and position data from its local location and time data source.

Related Sources

Document Name	Version	Publication Date
None

Security

In order to participate in this service package, each physical object should meet or exceed the following security levels.

Physical Object Security
Physical Object	Confidentiality	Integrity	Availability	Security Class
Center	Not Applicable	Low	Moderate	Class 1
Connected Vehicle Roadside Equipment
Data Distribution System	Not Applicable	Low	Moderate	Class 1
Field	Not Applicable	Low	Moderate	Class 1
Multi-Access Edge Computing
Network Time Source	Not Applicable	High	Moderate	Class 3
Service Monitor System	Not Applicable	High	Moderate	Class 3

In order to participate in this service package, each information flow triple should meet or exceed the following security levels.

Information Flow Security
Source	Destination	Information Flow	Confidentiality	Integrity	Availability
Source	Destination	Information Flow	Basis	Basis	Basis
Network Time Source	Center	time	Not Applicable	High	Moderate
Network Time Source	Center	time	Time reference is intended to be univerally available.	Time must be highly coordinated for some applications. This support function must meet the highest requirement.	Time coordination must always be in place, but local mechanisms for tracking time should suffice to avoid catastrophic failures for known use cases, thus MODERATE.
Network Time Source	Data Distribution System	time	Not Applicable	High	Moderate
Network Time Source	Data Distribution System	time	Time reference is intended to be univerally available.	Time must be highly coordinated for some applications. This support function must meet the highest requirement.	Time coordination must always be in place, but local mechanisms for tracking time should suffice to avoid catastrophic failures for known use cases, thus MODERATE.
Network Time Source	Field	time	Not Applicable	High	Moderate
Network Time Source	Field	time	Time reference is intended to be univerally available.	Time must be highly coordinated for some applications. This support function must meet the highest requirement.	Time coordination must always be in place, but local mechanisms for tracking time should suffice to avoid catastrophic failures for known use cases, thus MODERATE.
Network Time Source	Service Monitor System	time	Not Applicable	High	Moderate
Network Time Source	Service Monitor System	time	Time reference is intended to be univerally available.	Time must be highly coordinated for some applications. This support function must meet the highest requirement.	Time coordination must always be in place, but local mechanisms for tracking time should suffice to avoid catastrophic failures for known use cases, thus MODERATE.
Service Monitor System	Center	time local form	Not Applicable	High	Moderate
Service Monitor System	Center	time local form	Time reference is intended to be univerally available.	Time must be highly coordinated for some applications. This support function must meet the highest requirement.	Time coordination must always be in place, but local mechanisms for tracking time should suffice to avoid catastrophic failures for known use cases, thus MODERATE.
Service Monitor System	Data Distribution System	time local form	Not Applicable	High	Moderate
Service Monitor System	Data Distribution System	time local form	Time reference is intended to be univerally available.	Time must be highly coordinated for some applications. This support function must meet the highest requirement.	Time coordination must always be in place, but local mechanisms for tracking time should suffice to avoid catastrophic failures for known use cases, thus MODERATE.
Service Monitor System	Field	time local form	Not Applicable	High	Moderate
Service Monitor System	Field	time local form	Time reference is intended to be univerally available.	Time must be highly coordinated for some applications. This support function must meet the highest requirement.	Time coordination must always be in place, but local mechanisms for tracking time should suffice to avoid catastrophic failures for known use cases, thus MODERATE.
Service Monitor System	Service Monitor System Operator	service monitor information presentation	Not Applicable	High	High
Service Monitor System	Service Monitor System Operator	service monitor information presentation	System core flows should have some protection from casual viewing, as otherwise imposters could gain illicit control over core equipment	Backoffice operations flows should generally be correct and available as these are the primary interface between operators and system.	Backoffice operations flows should generally be correct and available as these are the primary interface between operators and system.
Service Monitor System Operator	Service Monitor System	service monitor operator input	Not Applicable	High	High
Service Monitor System Operator	Service Monitor System	service monitor operator input	System core flows should have some protection from casual viewing, as otherwise imposters could gain illicit control over core equipment	Backoffice operations flows should generally be correct and available as these are the primary interface between operators and system.	Backoffice operations flows should generally be correct and available as these are the primary interface between operators and system.

Standards

The following table lists the standards associated with physical objects in this service package. For standards related to interfaces, see the specific information flow triple pages. These pages can be accessed directly from the SVG diagram(s) located on the Physical tab, by clicking on each information flow line on the diagram.

Name	Title	Known Issues	Physical Object
CTI 4001 RSU	Roadside Unit (RSU) Standard		Connected Vehicle Roadside Equipment
NEMA TS 8 Cyber and Physical Security	Cyber and Physical Security for Intelligent Transportation Systems		Service Monitor System

System Requirements

No System Requirements