D1.2 - Use Cases and Requirements

This document focuses on achieving carbon footprint transparency in digital services across their entire lifecycle. It examines various use cases within the ICT sector, including media streaming, cloud computing, and network infrastructure, to identify requirements for optimising energy efficiency and achieving carbon neutrality. Each use case provides a detailed scenario, service flows, and postconditions, highlighting existing technological solutions and identifying new requirements for full support. This analysis forms the basis for developing reliable methods to measure energy consumption and collect data, including defining necessary interfaces and procedures for data exchange.