GNU

GNU is Not UNIX

GZIP

GNU Zip

guaranteed delivery

DATEX-ASN mechanism in which the client acknowledges the receipt of a publication (reply)

DATEX-ASN mechanism in which the client acknowledges the receipt of a publication (reply)

MD5

Hash-based Message Authentication Code – Message Digest 5

heartbeat

data packet sent to indicate that the sending system is still alive and communicating

data packet sent to indicate that the sending system is still alive and communicating

STD

IAB Standard

image processing based detector

detector that detects vehicles based on the real-time image data from the digital camera which has virtual sensing lines for estimating queue length or other parameters in approaching lanes

detector that detects vehicles based on the real-time image data from the digital camera which has virtual sensing lines for estimating queue length or other parameters in approaching lanes

in-vehicle unit

the invehicle equipment that transmits/receives information to/from the Roadside Communication Units and, in some cases, outputs information on its screen, etc.

the invehicle equipment that transmits/receives information to/from the Roadside Communication Units and, in some cases, outputs information on its screen, etc.

ISO TS 19468

Intelligent transport systems -- Data interfaces between centres for transport information and control systems -- Platform independent model specifications for data exchange protocols for transport information and control systems

ISO 15784-3

Intelligent Transport Systems – Data Exchange involving roadside modules communication – Part 3: Application profile-data exchange AP-DATEX

ISO TR 21707

Intelligent Transport Systems – Integrated transport information, management and control – Data quality in ITS systems

ISO TR 16786

Intelligent Transport Systems – The use of simulation models for evaluation of traffic management systems: Input parameters and reporting template for simulation of traffic signal control systems

ISO 15784-1

Intelligent transport systems (ITS) - Data exchange involving roadside modules communication - Part 1: General principles and documentation framework of application profiles

ISO 15784-2

Intelligent transport systems (ITS) -- Data exchange involving roadside modules communication -- Part 2: Centre to field device communications using SNMP

IAB

Internet Architechture Board

internet protocol (RFC 791) (IP)

the network protocol offering a connectionless mode network service in the Internet suite of protocols

the network protocol offering a connectionless mode network service in the Internet suite of protocols

ISO 10711

ITS – Interface Protocol and Message Set Definition between Traffic Signal Controllers and Detectors (IPMSTSCD)

location referencing standard identification (LR)

identification of the location referencing standard used including any version and date

identification of the location referencing standard used including any version and date

location types (LT)

identifies the type of locations

identifies the type of locations

lost lane

marked part of a road that is wide enough to accommodate one vehicle

marked part of a road that is wide enough to accommodate one vehicle

maximum turn-around time

maximum amount of time a system is given to provide an appropriate response to the incoming data packet

maximum amount of time a system is given to provide an appropriate response to the incoming data packet

mean time between failures (MTBF)

mean cycle (one failure and one repair) time of a maintained system

mean cycle (one failure and one repair) time of a maintained system

mean time to repair (MTTR)

mean time to repair the service (MTTR) fault and bring the service back into operation

mean time to repair the service (MTTR) fault and bring the service back into operation

measurement source identity (MS)

the identity of the source of the raw, calculated or estimated data

the identity of the source of the raw, calculated or estimated data

message

grouping of data elements, data frames, or data elements and data frames that is used to convey information

grouping of data elements, data frames, or data elements and data frames that is used to convey information

message instance

occurrence of a message containing the actual values for the data elements and/or data frames

occurrence of a message containing the actual values for the data elements and/or data frames

MPD

message processing and dispatching

message sets

set of basic messages that are normally used in business-oriented applications

set of basic messages that are normally used in business-oriented applications

message specification

documentation defining the meaning of a message
NOTE: The result of applying a given standard to a specific message.

documentation defining the meaning of a message
NOTE: The result of applying a given standard to a specific message.

network layer (L3)

layer that provides functional and procedural means of transferring variable length data sequences from a source to a destination
NOTE: The network layer constitutes layer 3 of the OSI model.

layer that provides functional and procedural means of transferring variable length data sequences from a source to a destination
NOTE: The network layer constitutes layer 3 of the OSI model.