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Entities

Physical entities are the persons, places, and things that make up an intelligent transportation system. In the physical architecture, an entity represents a subsystem or terminator, as follows:

  • Subsystem - The principle structural element of the physical architecture view of the ITS Architecture for Canada. Subsystems are grouped into four classes: Centres, Field, Vehicles, and Travellers. Subsystems correspond to the physical world and subsystem interfaces are prime candidates for standardization.
  • Terminator - Define the boundary of an architecture and represent the people, systems, and general environment that interface to ITS. The interfaces between terminators and the subsystems and processes within the ITS Architecture for Canada are defined, but no functional requirements are allocated to terminators. The logical architecture and physical architecture views of the ITS Architecture for Canada both have exactly the same set of terminators.

A top-level architecture interconnect diagram, which depicts the subsystems for full representation of ITS and the basic communication channels between these subsystems. Archived Data Management Subsystem Maintenance and Construction Management Subsystem Fleet and Freight Management Subsystem Commercial Vehicle Administration Subsystem Transit Management Subsystem Toll Administration Subsystem Emissions Management Subsystem Emergency Management Subsystem Information Service Provider Subsystem Traffic Management Subsystem Personal Information Access Subsystem Remote Traveller Support Subsystem Maintenance and Construction Vehicle Subsystem Transit Vehicle Subsystem Commercial Vehicle Subsystem Emergency Vehicle Subsystem Vehicle Subsystem Commercial Vehicle Check Subsystem Parking Management Subsystem Toll Collection Subsystem Security Monitoring Subsystem Roadway Subsystem Intermodal Terminal Intermodal Freight Equipment Border Inspection Administration Border Inspection Systems
Subsystems
Centre
Field
Traveller
Vehicle
Vehicle (VS)
Terminators
Centre
Media (X27)
Other ISP (X31)
Other MCM (X78)
Field
Traffic (X45)
Traveller
Traveller (X56)
Vehicle
Driver (X12)
Other MCV (X90)
Date Modified: 2010-11-05

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