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About This Item
Full Description
This part of ISO/TS 21219 defines the TPEG Conditional Access Information (CAI) application. It allows to protect the content of a TPEG service from unauthorized access. It further supports the management of subscriber information (e.g. Control Words and ECM) on the client devices in order to setup, prolong or revoke a subscription on a given client device. The application defines – the logical channel, for the transmission of the additional CA information (CAI), and – how the CAI is linked and synchronized to the scrambled content. This part of ISO/TS 21219 is related to conditional access applied on service component level. It is open for an integration of different conditional access systems. NOTE – The basic concept behind the CAI application is to transport CAI in separate TPEG service components of a dedicated application type and to define an SNI table that contains the link between scrambled content and related CAI.
Document History
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DANSK DSF/ISO/DIS 21219-10
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Intelligent transport systems – Traffic and travel information (TTI) via transport protocol experts group, generation 2 (TPEG2) – Part 10: Conditional access information (TPEG2-CAI)- Historical Version
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DANSK DS/ISO 21219-10
Intelligent transport systems – Traffic and travel information (TTI) via transport protocol experts group, generation 2 (TPEG2) – Part 10: Conditional access information (TPEG2-CAI)- Most Recent