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Title	WHAT IS AN IVHS ARCHITECTURE? AND WHY IS IT NEEDED?
Accession No	00644061
Journal Title	IVHS ARCHITECTURE BULLETIN No. 1
Corp. Authors / Publisher	IVHS America ; Department of Transportation
Publication Date	19940100
Description	p. 5-6
Languages	English
Abstract	A system architecture is the framework that describes how system components interact and work together to achieve total system goals. It describes the system operation, what each component of the system does and what information is exchanged among the components. A well-defined IVHS architecture will accommodate different levels of implementation as well as provide guidance for integrating or upgrading existing systems in order to preserve current investments. This allows different goals to be supported across many regions - for example, different user services will be important to rural and urban areas. In addition, the IVHS architecture should be an open architecture to: 1) foster evolutionary development of IVHS that readily accommodates new products as needs and goals change and technology advances; 2) reduce the cost of individual components by clearly defining their functions, encouraging competition by the private sector; and, 3) identify necessary interfaces between components, an essential step toward defining common interface standards and protocols.
Supplemental Information	An update of the Intelligent Vehicle-Highway System architecture development program.
TRT Terms	Architecture ; Integrated systems ; Intelligent transportation systems ; Performance ; System design ; Systems analysis
Other Terms	Component performance analysis; Intelligent vehicle highway systems; Interactions; System planning; Systems design; Systems integration
Subject Areas	U17 ITS, APTS, MAGLEV, NEW SYSTEMS
Availability	IVHS America
TRIS Files	UMTRIS; HRIS
Database	TRIS Online

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