Terms for ISO TC 204 WG 18

WG	Clause	Term	Definition
18	3.1.2.5	cooperative ITS	subset of ITS where information is shared among physical objects based on mutual security agreements with a credentialing system
18	3.1.2.4	intelligent transport system	technology system that is designed to benefit a surface transport system
18	3.1.3.11	stakeholder	<system> individual, team, organization, or classes thereof, having an interest in a system
18	3.1.5.1	access layer	<ITS-S> part of the data plane that provides the functionality related to the physical and data link layers of the open systems interconnect (OSI) reference model
18	3.1.5.2	application entity	<ITS-S> part of the ITS station reference architecture that is responsible for providing ITS-related functionality
18	3.1.5.3	data plane	<ITS-S> part of the ITS station reference architecture that is responsible for handling communications with other physical objects
18	3.1.5.4	facilities layer	<ITS-S> part of the data plane that provides the functionality related to the session, presentation, and application layers of the open systems interconnect (OSI) reference model
18	3.1.5.5	management entity	<ITS-S> part of the ITS station reference architecture that is responsible for management of communications and configuration information for the local physical object and possibly remote physical objects
18	3.1.5.6	security entity	<ITS-S> part of the ITS station reference architecture that is responsible for providing privacy, communication security, and system security
18	3.1.5.7	transnet layer	<ITS-S> part of the data plane that provides the functionality related to the network and transport layers of the open systems interconnect (OSI) reference model
18	3.1.11.2	data element	data concept represented by a specific value domain and that describes a single atomic property about an object class.
18	3.1.11.3	data frame	data concept represented by a specific aggregate domain and that describes information of interest through a useful grouping of more atomic properties about one or more object classes.
18	3.1.12.1	scenario	<use case> a description of the sequence of events from the user's perspective to perform a task in a specified context
18	3.2.3.3	roadside equipment	field system used to send electronic messages to and receive messages from nearby vehicle systems and traveller systems via wireless technologies
18	3.2.3.4	roadside unit	component of roadside equipment that performs the logical control functions
18	3.2.5.2	cooperative ITS credentials management system	support system that enables trusted communications among ITS components and protects data from unauthorized access
18	3.2.6.1	vehicle onboard equipment	vehicle system that provides the onboard functions necessary to support the ITS services supported by the vehicle
18	3.2.7.2	ITS station	portion of an ITS component that provides a bounded secured managed domain and conforms to the ITS-S reference architecture
18	3.2.7.3	ITS-S unit	instantiation of an ITS station
18	3.2.8.6	application template	<ITS> executable technical pattern of an ITS application specification
18	3.2.8.2	interoperability design	characteristics necessary to fully define how various physical objects interoperate to provide a service
18	3.2.8.1	ITS application	interoperability design for an ITS service
18	3.2.8.3	ITS application specification	one or more documents that detail all necessary requirements for an ITS application
18	3.2.8.5	ITS deployment	installation capable of implementing one or more ITS applications
18	3.2.8.4	ITS implementation	integration of each physical object necessary to implement one or more ITS applications
18	3.2.9.9	ITS application role	ITS-S user need expressed as a formal set of interoperability requirements that need to be fulfilled to satisfy a portion of functionality of an ITS application
18	3.2.9.5	ITS-S application	ITS-S application process residing in the application entity
18	3.2.9.6	ITS-S application implementation	ITS-S application process implementation within the application entity
18	3.2.9.7	ITS-S application installation	ITS-S application process installation within the application entity
18	3.2.9.8	ITS-S application instance	ITS-S application process instance within the application entity
18	3.2.9.1	ITS-S application process	element in an ITS station that performs information processing for an ITS-S service
18	3.2.9.2	ITS-S application process implementation	implementation of an ITS-S application process
18	3.2.9.3	ITS-S application process installation	installation of an ITS-S application process implementation
18	3.2.9.4	ITS-S application process instance	run-time instance of an ITS-S application process installation
18	3.4.2.2	location reference	specification of a location according to a specific set of rules
18	3.5.3.1	service	<ITS> performance of one or more tasks to fulfil an ITS user need for an ITS user
18	3.5.4.5	bounded, secured, managed domain	controlled processing environment that adheres to a minimum set of management and security principles and procedures so as to establish a level of trust between itself and other similar ITS stations with which it might communicate
18	3.5.5.1	communication service	<ITS-S> performance of one or more tasks to fulfil an ITS-S communication need for an ITS-S communication user
18	3.7.1.1	vehicle	material entity used to transport people or physical goods
18	3.7.4.1	connected vehicle	vehicle that is equipped with vehicle onboard equipment that is active and operational
18	3.7.4.4	disconnected vehicle	off-grid vehicle that is or was equipped with vehicle onboard equipment that is sufficiently physically disconnected such that the vehicle no longer sends or receives any connected vehicle communications
18	3.7.4.2	off-grid vehicle	vehicle that is currently unable to send or receive any connected vehicle communications
18	3.7.4.3	unconnected vehicle	off-grid vehicle that is equipped with vehicle onboard equipment that is not active or is otherwise unable to send or receive any connected vehicle communications\r\n
18	3.7.4.5	unequipped vehicle	off-grid vehicle that is not and has never been equipped with vehicle onboard equipment