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Introduction

DASH-IF publishes primarily three types of documents:

With version 5 of DASH-IF Interoperability Guidelines, DASH-IF decided to introduce different parts that each address specific aspects of DASH-based service delivery. Each part is developed and updated within its own timescale.

Part 1: Overview, architecture and interfaces

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Part 2: Core principles and CMAF mapping

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Part 3: On-demand services

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Part 4: Live and low-latency services

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Part 5: Ad Insertion and Content Replacement

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Part 5 of DASH-IF IOP v5 provides guidelines for advertisement insertion in a MPEG CMAF based content serving workflow utilizing MPEG DASH as the delivery protocol. This part details the general architecture of an ad enabled content serving workflow along with the conditioning, packaging, and signalling requirements to enable both SSAI and SGAI insertion forms. This part defines guidelines for the creation, storage, and serving of ad content. In addition, this part provides informative references and recommendations for auxiliary content and ad systems involved in the ad insertion architecture.

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Up to v4.3 any topics now covered in part 5 were included in the main IOP Guidelines under clause 5. Part 5 deprecates this information.

Part 6: Content protection and security

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Part 6 of DASH-IF IOP v5 provides guidelines for encrypted content delivered in MPEG CMAF format protected by MPEG CENC. As MPEG DASH is used as the delivery protocol, this part makes the links between signaling that is within content and within the MPD. In addition, to this, this part describes mechanisms for supporting key rotation. It defines the Enhanced Clear Key Content Protection (ECCP), a content protection mechanism for DASH content which provides greater protection than TLS delivery, token authentication or Clear Key used individually. It also defines the DASH-IF XML schema with elements related to content protection.

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Up to v4.3 any topics now covered in part 6 were included in the main IOP Guidelines under clause 11. Part 6 deprecates this information.

Part 7: Video

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Part 8: Audio

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Part 9: Text

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Part 10: Events

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Part 11: Additional Technologies

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Part 12: Conformance and Reference Tools

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