ETSI TR 126 957

Universal Mobile Telecommunications System (UMTS); LTE; Study on Server And Network-assisted Dynamic Adaptive Streaming over HTTP (DASH) (SAND) for 3GPP multimedia services (3GPP TR 26.957 version 14.1.0 Release 14)

standard by European Telecommunications Standards Institute , 04/01/2017

Historical

ETSI TR 126 957 evaluates the MPEG DASH SAND (ISO/IEC 23009-5) specification to:

Ensure that 3GPP and MPEG remain aligned on their respective DASH specifications.
Identify enhancements offered by MPEG DASH SAND (ISO/IEC 23009-5) in the 3GPP environment, and recommend necessary modifications to the 3GPP specifications including DASH to enable these enhancements.

In particular, the following elements of functionality may be of particular 3GPP relevance and are studied:

Streaming enhancements via intelligent caching, processing and delivery optimizations on the server and/or network side, based on feedback from clients on anticipated DASH Segments, accepted alternative DASH Representations and Adaptation Sets, and requested bandwidth.
Improved adaptation on the client side, based on network/server-side information such as cached Segments, alternative Segment availability, and network throughput/QoS.

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