Public transport. Road vehicle scheduling and control systems - System and Network Architecture
Public transport. Road vehicle scheduling and control systems - System and Network Architecture
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1 Scope This Technical Specification specifies the general rules for an on-board data communication system between the different systems that may be used within public transport vehicles. This includes operational support systems, passenger information systems, fare collection systems, etc. This Technical Specification describes:
— the requirements for an on board IP network;
— the overview architecture and components for an IP based on-board network;
— the modular structure of the network architecture;
— the Service Oriented Architecture ( SOA ) approach, and approach to defining services .
Systems directly related to the safe operation of the vehicle (including propulsion management, brake systems, door opening systems) are excluded from the scope of this Technical Specification and are dealt with in other standardization bodies. However, the architecture described in this Technical Specification may be used for support services such as safety information messages. Interfaces to safety-critical systems should be provided through dedicated gateways with appropriate security provisions; for the purposes of this Technical Specification, these are regarded as simply external information sources.
Другие стандарты PD