Introduction to unmanned spacecraft on-board communications: evolution of timeliness needs
Proceeings of the 2nd International Workshop on Worst-Case Traversal Time
Response time analysis for static priority based SpaceWire networks
Proceeings of the 2nd International Workshop on Worst-Case Traversal Time
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Space Wire is a wormhole network standard scheduled to be used as the sole on-board network for future satellites by the ESA. As the network will be shared by real-time and non real-time traffic, network designers require a tool to check that temporal constraints are verified for all the urgent messages. Previously, we proposed a model for a best-effort worm-hole network based on Network Calculus theory. This model is based on new network element that we call the Wormhole Section. Here, we show how to combine Wormhole Section elements to compute the end-to-end service curve offered to a flow and illustrate its use on a industrial case study.