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Public transport - Service interface for real-time information relating to public transport operations - Part 1: Context and frameworkTranslate name
STANDARD published on 1.12.2022
Designation standards: ČSN EN 15531-1
Classification mark: 018234
Catalog number: 516102
Publication date standards: 1.12.2022
The number of pages: 110
Approximate weight : 361 g (0.80 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Real-time information may be exchanged between a number of different organisations, or between different systems belonging to the same organisation. Key interfaces include the following: - Between public transport vehicle control centres - generally, for fleet and network management. - Between a control centre and an information provision system - generally, to provide operational information for presentation to the public. - Between information provision systems - generally, sharing information to ensure that publicly available information is complete and comprehensive. - Between information provision systems - and data aggregation systems that collect and integrate data from many different sources and different types of data supplier and then distribute it onwards. - Between information provision systems and passenger information devices such as mobile phones, web browsers, etc. Annex B describes the business context for SIRI in more detail. SIRI is intended for wide scale, distributed deployment by a wide variety of installations. In such circumstances it is often not practical to upgrade all the systems at the same time. SIRI therefore includes a formal versioning system that allows for the concurrent operation of different levels at the same time and a disciplined upgrade process. In this general framework, SIRI defines a specific set of concrete functional services. The services separate the communication protocols from the message content (´functional services´). This allows the same functional content to be exchanged using different transport mechanisms, and different patterns of exchange. Figure 1 below shows this diagrammatically
Latest update: 2023-06-08 (Number of items: 2 817 812)
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