ITS Object --> Vehicle:
service advertisement

Definitions

service advertisement (Information Flow): An advertisement of available services and identification of how those services may be accessed (e.g., RF parameters, identifiers, etc.). Services include network services such as IPv6 routing, public roadside services such as intersection safety, back office services including situation data services and security credentials, or private services.

ITS Object (Source Physical Object): The general 'ITS Object' includes core capabilities common to any class of object.

Vehicle (Destination Physical Object): This 'Vehicle' physical object is used to model core capabilities that are common to more than one type of Vehicle. It provides the vehicle-based general sensory, processing, storage, and communications functions that support efficient, safe, and convenient travel. Many of these capabilities (e.g., see the Vehicle Safety service packages) apply to all vehicle types including personal vehicles, commercial vehicles, emergency vehicles, transit vehicles, and maintenance vehicles. From this perspective, the Vehicle includes the common interfaces and functions that apply to all motorized vehicles. The radio(s) supporting V2V and V2I communications are a key component of the Vehicle. Both one-way and two-way communications options support a spectrum of information services from basic broadcast to advanced personalized information services. Advanced sensors, processors, enhanced driver interfaces, and actuators complement the driver information services so that, in addition to making informed mode and route selections, the driver travels these routes in a safer and more consistent manner. This physical object supports all six levels of driving automation as defined in SAE J3016. Initial collision avoidance functions provide 'vigilant co-pilot' driver warning capabilities. More advanced functions assume limited control of the vehicle to maintain lane position and safe headways. In the most advanced implementations, this Physical Object supports full automation of all aspects of the driving task, aided by communications with other vehicles in the vicinity and in coordination with supporting infrastructure subsystems.

Included In

This Triple is in the following Service Packages:

This triple is associated with the following Functional Objects:

This Triple is described by the following Functional View Data Flows:

This Triple has the following triple relationships:

Communication Solutions

Solutions are sorted in ascending Gap Severity order. The Gap Severity is the parenthetical number at the end of the solution.

Selected Solution

WSA - LTE-V2X WSMP

Solution Description

This solution is used within Canada and the U.S.. It combines standards associated with WSA with those for V-X: LTE-V2X WSMP. The WSA standards include standards required to advertise ITS services to short-range wireless devices. The V-X: LTE-V2X WSMP standards include lower-layer standards that support connectionless, near constant, ultra-low latency vehicle-to-any communications using the WAVE Short Messaging Protocol (WSMP) over 3GPP C-V2X in the 5.9GHz spectrum.

ITS Application Entity

No Standard Needed
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Mgmt

IEEE 1609.3
SAE J3161
3GPP 24.301
3GPP 36.331
Facilities

No Standard Needed
Security
Mind the gap
TransNet

IEEE 1609.3
Access
Mind the gapMind the gap
TransNet TransNet

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Access Access

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ITS Application ITS Application

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Security Security

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Note that some layers might have alternatives, in which case all of the gap icons associated with every alternative may be shown on the diagram, but the solution severity calculations (and resulting ordering of solutions) includes only the issues associated with the default (i.e., best, least severe) alternative.

Characteristics

Characteristic Value
Time Context Recent
Spatial Context Adjacent
Acknowledgement False
Cardinality Broadcast
Initiator Source
Authenticable True
Encrypt False


Interoperability Description
National This triple should be implemented consistently within the geopolitical region through which movement is essentially free (e.g., the United States, the European Union).

Security

Information Flow Security
  Confidentiality Integrity Availability
Rating Not Applicable Moderate Moderate
Basis By definition broadcast and intended to be available to all receivers using the same media as the broadcaster Since this identifies the services made available by the object providing the service advertisement, if it is incorrect or unavailable then users may waste resources attempting to use unavailable services or more likely not be aware of what is available and not take advantage of service offerings. Since this identifies the services made available by the object providing the service advertisement, if it is incorrect or unavailable then users may waste resources attempting to use unavailable services or more likely not be aware of what is available and not take advantage of service offerings.


Security Characteristics Value
Authenticable True
Encrypt False