An important current topic is the provisioning of multimedia services to users in fast moving vehicules (e.g., trains or cars). As an example, the focus of the paper is on services to train-users. Different important open challenges will be highlighted. First, an overview of current architectures for network connectivity to trains is presented. An Ethernet-based solution with moving tunnels is detailed. Next, the business case of delivering video services to train users is introduced and critically assessed. A dependable video provisioning service is detailed, together with an overview of the practical deployment of the service.
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