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- W2781504905 abstract "Online advanced media streaming services using HTTP adaptive stream- ing are increasingly popular. However in practice, the multi-protocol, multi- format nature of adaptive streaming creates a lot of engineering eort and costs for the operators, in the storage and preparation of the dierent formats. In this work, we acknowledge these issues and we study a stream- ing setup that can address these. Such streaming setup consist of a backend cloud storage and a processing node that generates streaming presentations for different devices on-the-fly. We analyse the streaming setup and its performance by testing in cloud deployments. Through this evaluation, we identify the performance limitations of the setup, imposed by the transfer of data between the object storage and the processing node. We propose a new backend storage caching scheme, based on rarely used existing feature of dref in the specication of the MPEG-4 standard. Experimental results show that the proposed scheme can improve the streaming performance, such as reduced latency and increased outgoing traffic volume towards the clients" @default.
- W2781504905 created "2018-01-12" @default.
- W2781504905 creator A5059681733 @default.
- W2781504905 date "2018-01-01" @default.
- W2781504905 modified "2023-09-27" @default.
- W2781504905 title "Improving the video streaming backend with on-the-fly format conversion and cloud storage" @default.
- W2781504905 hasPublicationYear "2018" @default.
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