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MPEG-4 Book, The by Touradj Ebrahimi, Fernando Pereira

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7.1. Delivery Framework

Part 6 of the MPEG-4 standard (DMIF) [MPEG4-6] is dedicated to the specification of the MPEG-4 delivery framework. This framework is a model that hides to its upper layers the details of the technology being used to access the multimedia content, and it supports virtually any known communication scenario (e.g., stored files, remotely retrieved files, interactive retrieval from a real-time streaming server, multicast, broadcast, interpersonal communication).

The delivery framework provides, in ISO/OSI terms, a session layer service (layer 5). This is further referred to as DMIF layer, and the modules making use of it are referred to as DMIF users. The DMIF layer manages sessions (e.g., associated to overall MPEG-4 presentations) ...

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