transaction counter

data value in the on-board unit that is incremented by the roadside equipment at each transaction

data value in the on-board unit that is incremented by the roadside equipment at each transaction

transaction model

functional model describing the structure of electronic payment transactions

functional model describing the structure of electronic payment transactions

T-ASDU

transport application service data unit

T-Kernel

transport kernel

transport service provider (TSP)

person, company, authority or abstract entity offering a transport service to the user for which the user has to pay a fee (the fee will in some cases be zero, e.g. emergency vehicles)

person, company, authority or abstract entity offering a transport service to the user for which the user has to pay a fee (the fee will in some cases be zero, e.g. emergency vehicles)

trip

part of space-time trajectory of a particular vehicle within a toll domain
NOTE 1 to entry: The exact definition of the start and end of trip is dependent on the toll domain and technology approach.

part of space-time trajectory of a particular vehicle within a toll domain
NOTE 1 to entry: The exact definition of the start and end of trip is dependent on the toll domain and technology approach.

trust object

information object that is exchanged between entities to ensure mutual trust
EXAMPLE: An electronic signature or an electronic certificate.

information object that is exchanged between entities to ensure mutual trust
EXAMPLE: An electronic signature or an electronic certificate.

trusted recorder (TR)

logical entity capable of cryptographic functions, used to provide the OBE with security services, including data confidentiality, data integrity, authentication and non-repudiation

logical entity capable of cryptographic functions, used to provide the OBE with security services, including data confidentiality, data integrity, authentication and non-repudiation

trusted third party (TTP)

security authority or its agent trusted by other entities with respect to security-related activities

security authority or its agent trusted by other entities with respect to security-related activities

type approval

certificate of conformity granted to a product that meets a minimum set of regulatory, technical and safety requirements, generally, by regulation required before certain products are allowed to be sold
NOTE 1 to entry: Often called ‘Homologation’ approval based on conformity testing on the basis of one or more specimens of a product representative of the production

certificate of conformity granted to a product that meets a minimum set of regulatory, technical and safety requirements, generally, by regulation required before certain products are allowed to be sold
NOTE 1 to entry: Often called ‘Homologation’ approval based on conformity testing on the basis of one or more specimens of a product representative of the production

undercharging

situation where the calculated charge is below the Accepted Charging Error Interval

situation where the calculated charge is below the Accepted Charging Error Interval

undetected observation

observation of road usage, performed by the Toll Charger, which is neither known to the driver or OBE before nor after the observation

observation of road usage, performed by the Toll Charger, which is neither known to the driver or OBE before nor after the observation

unexpected observation

observation of road usage, performed by the Toll Charger, which is unknown to the driver or OBE before but might be known after the observation

observation of road usage, performed by the Toll Charger, which is unknown to the driver or OBE before but might be known after the observation

UPS

uninterruptible power supply

UOBU

universal on-board unit

urban charge point

physical and geographically limited area equipped with, as a minimum, roadside equipment, gantries, poles and outriggers, powers supply, cabinets and cabling and central equipment communication where the installed equipment performs the necessary data exchange with OBEs passing in the charging direction(s). NOTE: The Urban Charge Point will also in a more enhanced mode collect information about…

physical and geographically limited area equipped with, as a minimum, roadside equipment, gantries, poles and outriggers, powers supply, cabinets and cabling and central equipment communication where the installed equipment performs the necessary data exchange with OBEs passing in the charging direction(s). NOTE: The Urban Charge Point will also in a more enhanced mode collect information about non-equipped vehicles and vehicle characteristics, e.g. information used for classification.

user complaint

complaints from users related to a specific service provision

complaints from users related to a specific service provision

validation

confirmation by examination and provision of objective evidence that the particular requirements for a specific intended use are fulfilled

confirmation by examination and provision of objective evidence that the particular requirements for a specific intended use are fulfilled

validity

quality or state of being valid; having legal force

quality or state of being valid; having legal force

value added service (VAS)

service that is offered in addition to the core service in question thus creating additional value

service that is offered in addition to the core service in question thus creating additional value

value units bearing device (VBD)

device in the hand of the Service user that contains value units

device in the hand of the Service user that contains value units

vehicle-related data

any kind of data related to the vehicle’s characteristics (including any trailer), its movements, the vehicle driver or the vehicle’s cargo

any kind of data related to the vehicle’s characteristics (including any trailer), its movements, the vehicle driver or the vehicle’s cargo

VPN

Virtual Private Network

vulnerability

weakness of an asset or control that can be exploited by an attacker

weakness of an asset or control that can be exploited by an attacker

WAN

Wide Area Network

XER

XML Encoding Rules