SMART-CD is a French collaborative project aimed at providing an energy optimized video streaming solution that allows operators and users to understand and control their environmental impact. By developing clear consumption metrics and optimisation technologies for the various steps in the end-to-end distribution chain, the consortium contributes to the greening of video streaming.

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This paper will present the context in which the SMART-CD project is situated, the technological challenges to overcome, and the initial results obtained during the first months of joint work. Several concrete optimisation strategies currently under development will also be discussed.

Introduction

A growing awareness of climate change and environmental preservation issues are prompting video service providers to question their energy usage. The digital sector currently accounts for 3% to 4% of global greenhouse gas emissions. This share is expected to grow at a significant annual rate, posing a critical challenge to the sustainability of the video industry. Its major application is video streaming, representing 82% of all consumer IP traffic. The question of how to reduce the carbon impact of video streaming is therefore garnering increased attention from service providers.

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